Tag: Two-dimensional materials

  • Kang, J.-H. et al. Monolithic 3D integration of 2D materials-based electronics towards ultimate edge computing solutions. Nat. Mater. 22, 1470–1477 (2023).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Kim, K. S. et al. Seamless monolithic three-dimensional integration of single-crystalline films by growth. Preprint at https://doi.org/10.48550/arXiv.2312.03206 (2023).

  • Jayachandran, D. et al. Three-dimensional integration of two-dimensional field-effect transistors. Nature 625, 276–281 (2024).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Tong, L. et al. Heterogeneous complementary field-effect transistors based on silicon and molybdenum disulfide. Nat. Electron. 6, 37–44 (2023).

    CAS 

    Google Scholar
     

  • Guan, S.-X. et al. Monolithic 3D integration of back-end compatible 2D material FET on si FinFET. npj 2D Mater. Appl. 7, 9 (2023).

    Article 
    CAS 

    Google Scholar
     

  • Xiong, X. et al. Demonstration of vertically stacked CVD monolayer channels: MoS2 nanosheets GAA-FET with Ion> 700 μA/μm and MoS2/WSe2 CFET. In 2021 IEEE International Electron Devices Meeting (IEDM) 7.5.1–7.5.4 (IEEE, 2021).

  • Xia, Y. et al. Wafer-scale demonstration of MBC-FET and C-FET arrays based on two-dimensional semiconductors. Small 18, 2107650 (2022).

    Article 
    CAS 

    Google Scholar
     

  • Ran, Y. et al. Large-scale vertically interconnected complementary field-effect transistors based on thermal evaporation. Small https://doi.org/10.1002/smll.202309953 (2023).

  • Kim, J.-K. et al. Molecular dopant-dependent charge transport in surface-charge-transfer-doped tungsten diselenide field effect transistors. Adv. Mater. 33, 2101598 (2021).

    Article 
    CAS 

    Google Scholar
     

  • Ji, H. G. et al. Chemically tuned p-and n-type WSe2 monolayers with high carrier mobility for advanced electronics. Adv. Mater. 31, 1903613 (2019).

    Article 
    CAS 

    Google Scholar
     

  • Wang, Y. et al. P-type electrical contacts for 2D transition-metal dichalcogenides. Nature 610, 61–66 (2022).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Kong, L. et al. Doping-free complementary WSe2 circuit via van der Waals metal integration. Nat. Commun. 11, 1866 (2020).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Zhou, C. et al. Carrier type control of WSe2 field-effect transistors by thickness modulation and MoO3 layer doping. Adv, Funct. Mater. 26, 4223–4230 (2016).

    Article 
    CAS 

    Google Scholar
     

  • Zhao, P. et al. Air stable p-doping of WSe2 by covalent functionalization. ACS Nano 8, 10808–10814 (2014).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Pang, C.-S. et al. Atomically controlled tunable doping in high-performance WSe2 devices. Adv. Electron. Mater. 6, 1901304 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Yamamoto, M., Nakaharai, S., Ueno, K. & Tsukagoshi, K. Self-limiting oxides on WSe2 as controlled surface acceptors and low-resistance hole contacts. Nano Lett. 16, 2720–2727 (2016).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Lan, H. Y., Tripathi, R., Liu, X., Appenzeller, J. & Chen, Z. Wafer-scale CVD monolayer WSe2 p-FETs with record-high 727 μA/μm Ion and 490 μS/μm gmax via hybrid charge transfer and molecular doping. In International Electron Devices Meeting (IEDM) 1–4 (IEEE, 2023).

  • Nipane, A., Karmakar, D., Kaushik, N., Karande, S. & Lodha, S. Few-layer MoS2 p-type devices enabled by selective doping using low energy phosphorus implantation. ACS Nano 10, 2128–2137 (2016).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Liu, X. et al. P-type polar transition of chemically doped multilayer MoS2 transistor. Adv. Mater. 28, 2345–2351 (2016).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Zhang, S., Le, S. T., Richter, C. A. & Hacker, C. A. Improved contacts to p-type MoS2 transistors by charge-transfer doping and contact engineering. Appl. Phys. Lett. 115, 073106 (2019).

    Article 
    ADS 

    Google Scholar
     

  • Wu, S. et al. High-performance p-type MoS2 field-effect transistor by toroidal-magnetic-field controlled oxygen plasma doping. 2D Mater. 6, 025007 (2019).

    Article 
    CAS 

    Google Scholar
     

  • Momose, T., Nakamura, A., Daniel, M. & Shimomura, M. Phosphorous doped p-type MoS2 polycrystalline thin films via direct sulfurization of Mo film. AIP Adv. 8, 025009 (2018).

    Article 
    ADS 

    Google Scholar
     

  • Das, S., Demarteau, M. & Roelofs, A. Nb-doped single crystalline MoS2 field effect transistor. Appl. Phys. Lett. 106, 173506 (2015).

    Article 
    ADS 

    Google Scholar
     

  • Choudhary, N., Park, J., Hwang, J. Y. & Choi, W. Growth of large-scale and thickness-modulated MoS2 nanosheets. ACS Appl. Mater. Inter. 6, 21215–21222 (2014).

    Article 
    CAS 

    Google Scholar
     

  • Zhang, Y., Ye, J., Matsuhashi, Y. & Iwasa, Y. Ambipolar MoS2 thin flake transistors. Nano Lett. 12, 1136–1140 (2012).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Zeng, Y. et al. Low-damaged p-type doping of MoS2 using direct nitrogen plasma modulated by toroidal-magnetic-field. Nanotechnology 31, 015702 (2019).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Oh, G. H., Kim, S.-i & Kim, T. High-performance Te-doped p-type MoS2 transistor with high-k insulators. J. Alloys Compd. 860, 157901 (2021).

    Article 
    CAS 

    Google Scholar
     

  • Wei, J. et al. Wafer-scale MoS2 for p-type field effect transistor arrays and defects-related electrical characteristics. Thin Solid Films 732, 138798 (2021).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Waldrop, M. M. The chips are down for Moore’s law. Nature 530, 144–147 (2016).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Wang, S. et al. Two-dimensional devices and integration towards the silicon lines. Nat. Mater. 21, 1225–1239 (2022).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Ku, B. W., Chang, K. & Lim, S. K. Compact-2D a physical design methodology to build two-tier gate-level 3-D ICs. IEEE T. on Comput. Aid. D. 39, 1151–1164 (2020).

    Article 

    Google Scholar
     

  • Fisher, D. W. et al. Face to face hybrid wafer bonding for fine pitch applications. In 2020 IEEE 70th Electronic Components and Technology Conference (ECTC), 595–600 (IEEE, 2020).

  • Lee, G. H., Hwang, S., Yu, J. & Kim, H. Architecture and process integration overview of 3D NAND flash technologies. Appl. Sci. 11, 6703 (2021).

    Article 
    CAS 

    Google Scholar
     

  • Das, S. et al. Transistors based on two-dimensional materials for future integrated circuits. Nat. Electron. 4, 786–799 (2021).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Sivan, M. et al. All WSe2 1T1R resistive RAM cell for future monolithic 3D embedded memory integration. Nat. Commun. 10, 5201 (2019).

    Article 
    ADS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Tang, J. et al. Vertical integration of 2D building blocks for all-2D electronics. Adv. Electron. Mater. 6, 2000550 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Akinwande, D. et al. Graphene and two-dimensional materials for silicon technology. Nature 573, 507–518 (2019).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Jiang, J., Parto, K., Cao, W. & Banerjee, K. Ultimate monolithic-3D integration with 2D materials: rationale, prospects, and challenges. IEEE J. Electron Devi. 7, 878–887 (2019).

    Article 

    Google Scholar
     

  • Li, W. et al. Approaching the quantum limit in two-dimensional semiconductor contacts. Nature 613, 274–279 (2023).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Shen, P.-C. et al. Ultralow contact resistance between semimetal and monolayer semiconductors. Nature 593, 211–217 (2021).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Wang, Y. et al. Quantum Hall phase in graphene engineered by interfacial charge coupling. Nat. Nanotechnol. 17, 1272–1279 (2022).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Lu, X. et al. Synergistic correlated states and nontrivial topology in coupled graphene-insulator heterostructures. Nat. Commun. 14, 5550 (2023).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Novoselov, K. S., Mishchenko, A., Carvalho, oA. & Castro Neto, A. 2D materials and van der Waals heterostructures. Science 353, aac9439 (2016).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Qiu, H. et al. Hopping transport through defect-induced localized states in molybdenum disulphide. Nat. Commun. 4, 2642 (2013).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Gong, C., Colombo, L., Wallace, R. M. & Cho, K. The unusual mechanism of partial fermi level pinning at metal-MoS2 interfaces. Nano Lett. 14, 1714–1720 (2014).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Cong, X., Liu, X.-L., Lin, M.-L. & Tan, P.-H. Application of Raman spectroscopy to probe fundamental properties of two-dimensional materials. npj 2D Mater. Appl. 4, 13 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Iqbal, M. W., Shahzad, K., Akbar, R. & Hussain, G. A review on Raman finger prints of doping and strain effect in TMDCs. Microelectron. Eng. 219, 111152 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Liu, Y. & Ang, K.-W. Monolithically integrated flexible black phosphorus complementary inverter circuits. ACS Nano 11, 7416–7423 (2017).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Sachid, A. B. et al. Monolithic 3D CMOS using layered semiconductors. Adv. Mater. 28, 2547–2554 (2016).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Kresse, G. & Furthmüller, J. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set. Phys. Rev. B 54, 11169–11186 (1996).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Kresse, G. & Furthmüller, J. Efficiency of ab-initio total energy calculations for metals and semiconductors using a plane-wave basis set. Comp. Mater. Sci. 6, 15–50 (1996).

    Article 
    CAS 

    Google Scholar
     

  • Perdew, J. P., Burke, K. & Ernzerhof, M. Generalized gradient approximation made simple. Phys. Rev. Lett. 77, 3865–3868 (1996).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Liechtenstein, A. I., Anisimov, V. I. & Zaanen, J. Density-functional theory and strong interactions: orbital ordering in Mott-Hubbard insulators. Phys. Rev. B 52, R5467–R5470 (1995).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Grimme, S. Semiempirical GGA-type density functional constructed with a long-range dispersion correction. J. Comput. Chem. 27, 1787–1799 (2006).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Bučko, T., Hafner, J., Lebégue, S. & Ángyán, J. G. Improved description of the structure of molecular and layered crystals: ab initio DFT calculations with van der Waals corrections. J. Phys. Chem. A 114, 11814–24 (2010).

    Article 
    PubMed 

    Google Scholar
     

  • Heyd, J., Scuseria, G. E. & Ernzerhof, M. Hybrid functionals based on a screened coulomb potential. J. Chem. Phys. 118, 8207–8215 (2003).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Li, S. et al. Anti-ambipolar and polarization-resolved behavior in MoTe2 channel sensitized with low-symmetric CrOCl. Appl. Phys. Lett. 122, 083503 (2023).

  • Lu, C.-P. et al. Bandgap, mid-gap states, and gating effects in MoS2. Nano Lett. 14, 4628–4633 (2014).

  • Guo, Y. et al. Van der Waals polarity-engineered 3D integration of 2D complementary logic. Zenodo https://doi.org/10.5281/zenodo.10262243 (2024).

[ad_2]

Source link

  • Bevel-edge epitaxy of ferroelectric rhombohedral boron nitride single crystal

    [ad_1]

  • Dean, C. R. et al. Boron nitride substrates for high-quality graphene electronics. Nat. Nanotechnol. 5, 722–726 (2010).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Liu, Z. et al. Ultrathin high-temperature oxidation-resistant coatings of hexagonal boron nitride. Nat. Commun. 4, 2541 (2013).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Cassabois, G., Valvin, P. & Gil, B. Hexagonal boron nitride is an indirect bandgap semiconductor. Nat. Photon. 10, 262–266 (2016).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Zhu, K. et al. Hybrid 2D-CMOS microchips for memristive applications. Nature 618, 57–62 (2023).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Li, Y. L. et al. Probing symmetry properties of few-layer MoS2 and h-BN by optical second-harmonic generation. Nano Lett. 13, 3329–3333 (2013).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Kim, C. J. et al. Stacking order dependent second harmonic generation and topological defects in h-BN bilayers. Nano Lett. 13, 5660–5665 (2013).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Li, L. & Wu, M. Binary compound bilayer and multilayer with vertical polarizations: two-dimensional ferroelectrics, multiferroics, and nanogenerators. ACS Nano 11, 6382–6388 (2017).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Yasuda, K., Wang, X., Watanabe, K., Taniguchi, T. & Jarillo-Herrero, P. Stacking-engineered ferroelectricity in bilayer boron nitride. Science 372, 1458–1462 (2021).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Vizner Stern, M. et al. Interfacial ferroelectricity by van der Waals sliding. Science 372, 1462–1466 (2021).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Woods, C. et al. Charge-polarized interfacial superlattices in marginally twisted hexagonal boron nitride. Nat. Commun. 12, 347 (2021).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Lv, M. et al. Spatially resolved polarization manipulation of ferroelectricity in twisted hBN. Adv. Mater. 34, 2203990 (2022).

    Article 
    CAS 

    Google Scholar
     

  • Qi, J. et al. Stacking‐controlled growth of rBN crystalline films with high nonlinear optical conversion efficiency up to 1%. Adv. Mater. 36, 2303122 (2023).

  • Fei, Z. et al. Ferroelectric switching of a two-dimensional metal. Nature 560, 336–339 (2018).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Xiao, J. et al. Intrinsic two-dimensional ferroelectricity with dipole locking. Phys. Rev. Lett. 120, 227601 (2018).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Weston, A. et al. Interfacial ferroelectricity in marginally twisted 2D semiconductors. Nat. Nanotechnol. 17, 390–395 (2022).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Wang, X. et al. Interfacial ferroelectricity in rhombohedral-stacked bilayer transition metal dichalcogenides. Nat. Nanotechnol. 17, 367–371 (2022).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Rogee, L. et al. Ferroelectricity in untwisted heterobilayers of transition metal dichalcogenides. Science 376, 973–978 (2022).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Deb, S. et al. Cumulative polarization in conductive interfacial ferroelectrics. Nature 612, 465–469 (2022).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Meng, P. et al. Sliding induced multiple polarization states in two-dimensional ferroelectrics. Nat. Commun. 13, 7696 (2022).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Jindal, A. et al. Coupled ferroelectricity and superconductivity in bilayer Td-MoTe2. Nature 613, 48–52 (2023).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Ko, K. et al. Operando electron microscopy investigation of polar domain dynamics in twisted van der Waals homobilayers. Nat. Mater. 22, 992–998 (2023).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Zhang, D., Schoenherr, P., Sharma, P. & Seidel, J. Ferroelectric order in van der Waals layered materials. Nat. Rev. Mater. 8, 25–40 (2023).

    Article 
    ADS 

    Google Scholar
     

  • Wang, C., You, L., Cobden, D. & Wang, J. Towards two-dimensional van der Waals ferroelectrics. Nat. Mater. 22, 542–552 (2023).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Chubarov, M., Pedersen, H., Högberg, H., Jensen, J. & Henry, A. Growth of high quality epitaxial rhombohedral boron nitride. Cryst. Growth Des. 12, 3215–3220 (2012).

    Article 
    CAS 

    Google Scholar
     

  • Sutter, P., Lahiri, J., Zahl, P., Wang, B. & Sutter, E. Scalable synthesis of uniform few-layer hexagonal boron nitride dielectric films. Nano Lett. 13, 276–281 (2013).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Gilbert, S. M. et al. Alternative stacking sequences in hexagonal boron nitride. 2D Mater. 6, 021006 (2019).

    Article 
    CAS 

    Google Scholar
     

  • Lu, J. et al. Step flow versus mosaic film growth in hexagonal boron nitride. J. Am. Chem. Soc. 135, 2368–2373 (2013).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Zhang, C. H. et al. Controllable co-segregation synthesis of wafer-scale hexagonal boron nitride thin films. Adv. Mater. 26, 1776–1781 (2014).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Wang, L. F. et al. Monolayer hexagonal boron nitride films with large domain size and clean interface for enhancing the mobility of graphene-based field-effect transistors. Adv. Mater. 26, 1559–1564 (2014).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Kim, S. M. et al. Synthesis of large-area multilayer hexagonal boron nitride for high material performance. Nat. Commun. 6, 8662 (2015).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Lee, J. S. et al. Wafer-scale single-crystal hexagonal boron nitride film via self-collimated grain formation. Science 362, 817–821 (2018).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Wang, L. et al. Epitaxial growth of a 100-square-centimetre single-crystal hexagonal boron nitride monolayer on copper. Nature 570, 91–95 (2019).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Chen, T. A. et al. Wafer-scale single-crystal hexagonal boron nitride monolayers on Cu (111). Nature 579, 219–223 (2020).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Shi, Z. Y. et al. Vapor-liquid-solid growth of large-area multilayer hexagonal boron nitride on dielectric substrates. Nat. Commun. 11, 849 (2020).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Ma, K. Y. et al. Epitaxial single-crystal hexagonal boron nitride multilayers on Ni (111). Nature 606, 88–93 (2022).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Fukamachi, S. et al. Large-area synthesis and transfer of multilayer hexagonal boron nitride for enhanced graphene device arrays. Nat. Electron. 6, 126–136 (2023).

    Article 
    CAS 

    Google Scholar
     

  • Jang, A.-R. et al. Wafer-scale and wrinkle-free epitaxial growth of single-orientated multilayer hexagonal boron nitride on sapphire. Nano Lett. 16, 3360–3366 (2016).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Cazorla, C. & Gould, T. Polymorphism of bulk boron nitride. Sci. Adv. 5, eaau5832 (2019).

    Article 
    ADS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Kubota, Y., Watanabe, K., Tsuda, O. & Taniguchi, T. Deep ultraviolet light-emitting hexagonal boron nitride synthesized at atmospheric pressure. Science 317, 932–934 (2007).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Li, J. et al. Hexagonal boron nitride crystal growth from iron, a single component flux. ACS Nano 15, 7032–7039 (2021).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Yi, D. et al. What drives metal-surface step bunching in graphene chemical vapor deposition? Phys. Rev. Lett. 120, 246101 (2018).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Gunther, S. et al. Single terrace growth of graphene on a metal surface. Nano Lett. 11, 1895–1900 (2011).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Wang, Z.-J. et al. The coalescence behavior of two-dimensional materials revealed by multiscale in situ imaging during chemical vapor deposition growth. ACS Nano 14, 1902–1918 (2020).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Wu, G. et al. Programmable transition metal dichalcogenide homojunctions controlled by nonvolatile ferroelectric domains. Nat. Electron. 3, 43–50 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Wang, S. et al. Two-dimensional ferroelectric channel transistors integrating ultra-fast memory and neural computing. Nat. Commun. 12, 53 (2021).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Wang, X. et al. Van der Waals engineering of ferroelectric heterostructures for long-retention memory. Nat. Commun. 12, 1109 (2021).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Wu, M. H. et al. Seeded growth of large single-crystal copper foils with high-index facets. Nature 581, 406–410 (2020).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Guan, Z. et al. Identifying intrinsic ferroelectricity of thin film with piezoresponse force microscopy. AIP Adv. 7, 095116 (2017).

    Article 
    ADS 

    Google Scholar
     

  • Wu, M. et al. Achieving ferroelectricity in a centrosymmetric high‐performance semiconductor by strain engineering. Adv. Mater. 35, 2300450 (2023).

    Article 
    CAS 

    Google Scholar
     

  • Gruverman, A., Alexe, M. & Meier, D. Piezoresponse force microscopy and nanoferroic phenomena. Nat. Commun. 10, 1661 (2019).

    Article 
    ADS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Shi, W. et al. Reversible writing of high-mobility and high-carrier-density doping patterns in two-dimensional van der Waals heterostructures. Nat. Electron. 3, 99–105 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Haigh, S. J. et al. Cross-sectional imaging of individual layers and buried interfaces of graphene-based heterostructures and superlattices. Nat. Mater. 11, 764–767 (2012).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Kresse, G. & Furthmüller, J. Efficiency of ab-initio total energy calculations for metals and semiconductors using a plane-wave basis set. Comput. Mater. Sci. 6, 15–50 (1996).

    Article 
    CAS 

    Google Scholar
     

  • Kresse, G. & Hafner, J. Ab initio molecular dynamics for open-shell transition metals. Phys. Rev. B 48, 13115 (1993).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Perdew, J. P., Burke, K. & Ernzerhof, M. Generalized gradient approximation made simple. Phys. Rev. Lett. 77, 3865 (1996).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Kresse, G. & Joubert, D. From ultrasoft pseudopotentials to the projector augmented-wave method. Phys. Rev. B 59, 1758 (1999).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • King-Smith, R. & Vanderbilt, D. Theory of polarization of crystalline solids. Phys. Rev. B 47, 1651 (1993).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Henkelman, G., Uberuaga, B. P. & Jónsson, H. A climbing image nudged elastic band method for finding saddle points and minimum energy paths. J. Chem. Phys. 113, 9901–9904 (2000).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Plimpton, S. Fast parallel algorithms for short-range molecular dynamics. J. Comput. Phys. 117, 1–19 (1995).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Ouyang, W., Mandelli, D., Urbakh, M. & Hod, O. Nanoserpents: graphene nanoribbon motion on two-dimensional hexagonal materials. Nano Lett. 18, 6009–6016 (2018).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • [ad_2]

    Source link

  • Metal telluride nanosheets by scalable solid lithiation and exfoliation

    [ad_1]

  • Zhou, J. et al. A library of atomically thin metal chalcogenides. Nature 556, 355–359 (2018).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Fiori, G. et al. Electronics based on two-dimensional materials. Nat. Nanotechnol. 9, 768–779 (2014).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Pomerantseva, E. & Gogotsi, Y. Two-dimensional heterostructures for energy storage. Nat. Energy 2, 17089 (2017).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Choi, S. H. et al. Large-scale synthesis of graphene and other 2D materials towards industrialization. Nat. Commun. 13, 1484 (2022).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Editorial. Moving towards the market. Nat. Mater. 18, 519. https://doi.org/10.1038/s41563-019-0394-4 (2019).

  • Li, J. et al. Printable two-dimensional superconducting monolayers. Nat. Mater. 20, 181–187 (2021).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Zhang, L. et al. Solid phase exfoliation for producing dispersible transition metal dichalcogenides nanosheets. Adv. Funct. Mater. 30, 2004139 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Coleman, J. N. et al. Two-dimensional nanosheets produced by liquid exfoliation of layered materials. Science 331, 568–571 (2011).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Li, H. et al. Two-dimensional metal telluride atomic crystals: preparation, physical properties, and applications. Adv. Funct. Mater. 31, 2010901 (2021).

    Article 
    CAS 

    Google Scholar
     

  • Keum, D. H. et al. Bandgap opening in few-layered monoclinic MoTe2. Nat. Phys. 11, 482–486 (2015).

    Article 
    CAS 

    Google Scholar
     

  • Xu, X. et al. Seeded 2D epitaxy of large-area single-crystal films of the van der Waals semiconductor 2H MoTe2. Science 372, 195–200 (2021).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Ali, M. N. et al. Large, non-saturating magnetoresistance in WTe2. Nature 514, 205–208 (2014).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Wang, W. et al. Evidence for an edge supercurrent in the Weyl superconductor MoTe2. Science 368, 534–537 (2020).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Jindal, A. et al. Coupled ferroelectricity and superconductivity in bilayer Td-MoTe2. Nature 613, 48–52 (2023).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Zhao, X. et al. Selective electrochemical production of hydrogen peroxide at zigzag edges of exfoliated molybdenum telluride nanoflakes. Natl Sci. Rev. 7, 1360–1366 (2020).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • McGlynn, J. C. et al. The rapid electrochemical activation of MoTe2 for the hydrogen evolution reaction. Nat. Commun. 10, 4916 (2019).

    Article 
    ADS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Nicolosi, V., Chhowalla, M., Kanatzidis, M. G., Strano, M. S. & Coleman, J. N. Liquid exfoliation of layered materials. Science 340, 1226419 (2013).

    Article 

    Google Scholar
     

  • Yang, S., Zhang, P., Nia, A. S. & Feng, X. Emerging 2D materials produced via electrochemistry. Adv. Mater. 32, 1907857 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Yang, R. et al. Synthesis of atomically thin sheets by the intercalation-based exfoliation of layered materials. Nat. Synth. 2, 101–118 (2023).

    Article 
    ADS 

    Google Scholar
     

  • Yang, R. et al. High-yield production of mono- or few-layer transition metal dichalcogenide nanosheets by an electrochemical lithium ion intercalation-based exfoliation method. Nat. Protoc. 17, 358–377 (2022).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Lin, Z. et al. Solution-processable 2D semiconductors for high-performance large-area electronics. Nature 562, 254–258 (2018).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Peng, J. et al. High phase purity of large-sized 1T′-MoS2 monolayers with 2D superconductivity. Adv. Mater. 31, 1900568 (2019).

    Article 

    Google Scholar
     

  • Joensen, P., Frindt, R. F. & Morrison, S. R. Single-layer MoS2. Mater. Res. Bull. 21, 457–461 (1986).

    Article 
    CAS 

    Google Scholar
     

  • Zheng, J. et al. High yield exfoliation of two-dimensional chalcogenides using sodium naphthalenide. Nat. Commun. 5, 2995 (2014).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Tsai, H.-L., Heising, J., Schindler, J. L., Kannewurf, C. R. & Kanatzidis, M. G. Exfoliated-restacked phase of WS2. Chem. Mater. 9, 879–882 (1997).

    Article 
    CAS 

    Google Scholar
     

  • Kanatzidis, M. G. & Marks, T. J. Tetrahydroborate intercalation reagents. Convenient, straightforward routes to known and new types of layered intercalation compounds. Inorg. Chem. 26, 783–784 (1987).

    Article 
    CAS 

    Google Scholar
     

  • Ono, M. et al. New lithium- and ethylenediamine-intercalated superconductors Lix(C2H8N2)yWTe2. J. Phys. Soc. Jpn. 90, 014706 (2020).

    Article 
    ADS 

    Google Scholar
     

  • Peng, J. et al. Two-dimensional tellurium nanosheets exhibiting an anomalous switchable photoresponse with thickness dependence. Angew. Chem. Int. Ed. 57, 13533–13537 (2018).

    Article 
    CAS 

    Google Scholar
     

  • Jawaid, A. et al. Redox exfoliation of layered transition metal dichalcogenides. ACS Nano 11, 635–646 (2017).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Zhang, C. et al. Mass production of 2D materials by intermediate-assisted grinding exfoliation. Natl Sci. Rev. 7, 324–332 (2020).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Hangyo, M., Nakashima, S.-I. & Mitsuishi, A. Raman spectroscopic studies of MX2-type layered compounds. Ferroelectrics 52, 151–159 (1983).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Li, J. et al. Synthesis of ultrathin metallic MTe2 (M = V, Nb, Ta) single-crystalline nanoplates. Adv. Mater. 30, 1801043 (2018).

    Article 
    ADS 

    Google Scholar
     

  • Mleczko, M. J. et al. High current density and low thermal conductivity of atomically thin semimetallic WTe2. ACS Nano 10, 7507–7514 (2016).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Chia, X., Ambrosi, A., Lazar, P., Sofer, Z. & Pumera, M. Electrocatalysis of layered Group 5 metallic transition metal dichalcogenides (MX2, M = V, Nb, and Ta; X = S, Se, and Te). J. Mater. Chem. A 4, 14241–14253 (2016).

    Article 
    CAS 

    Google Scholar
     

  • Huang, J.-H. et al. Polymorphism control of layered MoTe2 through two-dimensional solid-phase crystallization. Sci. Rep. 9, 8810 (2019).

    Article 
    ADS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Cui, J. et al. Transport evidence of asymmetric spin–orbit coupling in few-layer superconducting 1Td-MoTe2. Nat. Commun. 10, 2044 (2019).

    Article 
    ADS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Qi, Y. et al. Superconductivity in Weyl semimetal candidate MoTe2. Nat. Commun. 7, 11038 (2016).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Chen, F. C. et al. Extremely large magnetoresistance in the type-II Weyl semimetal MoTe2. Phys. Rev. B 94, 235154 (2016).

    Article 
    ADS 
    MathSciNet 

    Google Scholar
     

  • Benalcazar, W. A., Bernevig, B. A. & Hughes, T. L. Quantized electric multipole insulators. Science 357, 61–66 (2017).

    Article 
    ADS 
    MathSciNet 
    CAS 
    PubMed 

    Google Scholar
     

  • Kowalczyk, H. et al. Gate and temperature driven phase transitions in few-layer MoTe2. ACS Nano 17, 6708–6718 (2023).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Huang, F.-T. et al. Polar and phase domain walls with conducting interfacial states in a Weyl semimetal MoTe2. Nat. Commun. 10, 4211 (2019).

    Article 
    ADS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Rhodes, D. A. et al. Enhanced superconductivity in monolayer Td-MoTe2. Nano Lett. 21, 2505–2511 (2021).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Tiwari, A. et al. Giant c-axis nonlinear anomalous Hall effect in Td-MoTe2 and WTe2. Nat. Commun. 12, 2049 (2021).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Zhong, S. et al. Origin of magnetoresistance suppression in thin γ–MoTe2. Phys. Rev. B 97, 241409 (2018).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Ma, T. et al. Growth of bilayer MoTe2 single crystals with strong non-linear Hall effect. Nat. Commun. 13, 5465 (2022).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • [ad_2]

    Source link

  • Dual quantum spin Hall insulator by density-tuned correlations in TaIrTe4

    [ad_1]

  • Tokura, Y. Quantum materials at the crossroads of strong correlation and topology. Nat. Mater. 21, 971–973 (2022).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Levin, M. & Stern, A. Fractional topological insulators. Phys. Rev. Lett. 103, 196803 (2009).

    Article 
    PubMed 

    Google Scholar
     

  • Maciejko, J., Qi, X.-L., Karch, A. & Zhang, S.-C. Fractional topological insulators in three dimensions. Phys. Rev. Lett. 105, 246809 (2010).

    Article 
    PubMed 

    Google Scholar
     

  • Santos, L., Neupert, T., Ryu, S., Chamon, C. & Mudry, C. Time-reversal symmetric hierarchy of fractional incompressible liquids. Phys. Rev. B 84, 165138 (2011).

    Article 

    Google Scholar
     

  • Goerbig, M. From fractional Chern insulators to a fractional quantum spin hall effect. Eur. Phys. J. B 85, 15 (2012).

    Article 

    Google Scholar
     

  • Li, W., Sheng, D., Ting, C. & Chen, Y. Fractional quantum spin Hall effect in flat-band checkerboard lattice model. Phys. Rev. B 90, 081102 (2014).

    Article 

    Google Scholar
     

  • Wang, C. & Senthil, T. Time-reversal symmetric u(1) quantum spin liquids. Phys. Rev. X 6, 011034 (2016).


    Google Scholar
     

  • Barkeshli, M., Bonderson, P., Cheng, M. & Wang, Z. Symmetry fractionalization, defects, and gauging of topological phases. Phys. Rev. B 100, 115147 (2019).

    Article 
    CAS 

    Google Scholar
     

  • Park, K.-S. & Han, H. Dirac quantization and fractional magnetoelectric effect in interacting topological insulators. Phys. Rev. B 82, 153101 (2010).

    Article 

    Google Scholar
     

  • Wang, H.-W., Fu, B., Zou, J.-Y., Hu, Z.-A. & Shen, S.-Q. Fractional electromagnetic response in a three-dimensional chiral anomalous semimetal. Phys. Rev. B 106, 045111 (2022).

    Article 
    CAS 

    Google Scholar
     

  • Sheng, D., Gu, Z.-C., Sun, K. & Sheng, L. Fractional quantum Hall effect in the absence of Landau levels. Nat. Commun. 2, 389 (2011).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Neupert, T., Santos, L., Chamon, C. & Mudry, C. Fractional quantum Hall states at zero magnetic field. Phys. Rev. Lett. 106, 236804 (2011).

    Article 
    PubMed 

    Google Scholar
     

  • Tang, E., Mei, J.-W. & Wen, X.-G. High-temperature fractional quantum Hall states. Phys. Rev. Lett. 106, 236802 (2011).

    Article 
    PubMed 

    Google Scholar
     

  • Regnault, N. & Bernevig, B. A. Fractional Chern insulator. Phys. Rev. X 1, 021014 (2011).


    Google Scholar
     

  • Xie, Y. et al. Fractional Chern insulators in magic-angle twisted bilayer graphene. Nature 600, 439–443 (2021).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Cai, J. et al. Signatures of fractional quantum anomalous Hall states in twisted MoTe2. Nature 622, 63–68 (2023).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Zeng, Y. et al. Thermodynamic evidence of fractional Chern insulator in moiré MoTe2. Nature 622, 69–73 (2023).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Park, H. et al. Observation of fractionally quantized anomalous Hall effect. Nature 622, 74–79 (2023).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Xu, F. et al. Observation of integer and fractional quantum anomalous Hall effects in twisted bilayer MoTe2. Phys. Rev. X 13, 031037 (2023).

    CAS 

    Google Scholar
     

  • Bernevig, B. A., Hughes, T. L. & Zhang, S.-C. Quantum spin Hall effect and topological phase transition in HgTe quantum wells. Science 314, 1757–1761 (2006).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Konig, M. et al. Quantum spin Hall insulator state in HgTe quantum wells. Science 318, 766–770 (2007).

    Article 
    PubMed 

    Google Scholar
     

  • Yang, F. et al. Spatial and energy distribution of topological edge states in single Bi(111) bilayer. Phys. Rev. Lett. 109, 016801 (2012).

    Article 
    PubMed 

    Google Scholar
     

  • Xu, Y. et al. Large-gap quantum spin Hall insulators in tin films. Phys. Rev. Lett. 111, 136804 (2013).

    Article 
    PubMed 

    Google Scholar
     

  • Qian, X., Liu, J., Fu, L. & Li, J. Quantum spin Hall effect in two-dimensional transition metal dichalcogenides. Science 346, 1344–1347 (2014).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Du, L., Knez, I., Sullivan, G. & Du, R.-R. Robust helical edge transport in gated InAs/GaSb bilayers. Phys. Rev. Lett. 114, 096802 (2015).

    Article 
    PubMed 

    Google Scholar
     

  • Zhu, F.-F. et al. Epitaxial growth of two-dimensional stanene. Nat. Mater. 14, 1020–1025 (2015).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Li, X.-B. et al. Experimental observation of topological edge states at the surface step edge of the topological insulator ZrTe5. Phys. Rev. Lett. 116, 176803 (2016).

    Article 
    PubMed 

    Google Scholar
     

  • Fei, Z. et al. Edge conduction in monolayer WTe2. Nat. Phys. 13, 677–682 (2017).

    Article 
    CAS 

    Google Scholar
     

  • Tang, S. et al. Quantum spin Hall state in monolayer 1T′-WTe2. Nat. Phys. 13, 683–687 (2017).

    Article 
    CAS 

    Google Scholar
     

  • Shumiya, N. et al. Evidence of a room-temperature quantum spin Hall edge state in a higher-order topological insulator. Nat. Mater. 21, 1111–1115 (2022).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Wang, R., Sedrakyan, T. A., Wang, B., Du, L. & Du, R.-R. Excitonic topological order in imbalanced electron-hole bilayers. Nature 619, 57–62 (2023).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Wu, S. et al. Observation of the quantum spin Hall effect up to 100 kelvin in a monolayer crystal. Science 359, 76–79 (2018).

    Article 
    MathSciNet 
    CAS 
    PubMed 

    Google Scholar
     

  • Zhao, W. et al. Realization of the Haldane Chern insulator in a moiré lattice. Nat. Phys. 20, 275–280 (2024).

  • Wu, S., Zhang, Z., Watanabe, K., Taniguchi, T. & Andrei, E. Y. Chern insulators, van Hove singularities and topological flat bands in magic-angle twisted bilayer graphene. Nat. Mater. 20, 488–494 (2021).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Zhou, H. et al. Isospin magnetism and spin-polarized superconductivity in bernal bilayer graphene. Science 375, 774–778 (2022).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Yin, J.-X., Lian, B. & Hasan, M. Z. Topological kagome magnets and superconductors. Nature 612, 647–657 (2022).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Teng, X. et al. Discovery of charge density wave in a kagome lattice antiferromagnet. Nature 609, 490–495 (2022).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Ma, J. et al. Nonlinear photoresponse of type-II Weyl semimetals. Nat. Mater. 18, 476–481 (2019).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Belopolski, I. et al. Signatures of a time-reversal symmetric Weyl semimetal with only four Weyl points. Nat. Commun. 8, 942 (2017).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Cai, S. et al. Observation of superconductivity in the pressurized Weyl-semimetal candidate TaIrTe4. Phys. Rev. B 99, 020503 (2019).

    Article 
    CAS 

    Google Scholar
     

  • Kumar, D. et al. Room-temperature nonlinear Hall effect and wireless radiofrequency rectification in Weyl semimetal TaIrTe4. Nat. Nanotechnol. 16, 421–425 (2021).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Liu, J., Wang, H., Fang, C., Fu, L. & Qian, X. van der Waals stacking-induced topological phase transition in layered ternary transition metal chalcogenides. Nano Lett. 17, 467–475 (2017).

    Article 
    PubMed 

    Google Scholar
     

  • Guo, P.-J., Lu, X.-Q., Ji, W., Liu, K. & Lu, Z.-Y. Quantum spin Hall effect in monolayer and bilayer TaIrTe4. Phys. Rev. B 102, 041109 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Roth, A. et al. Nonlocal transport in the quantum spin Hall state. Science 325, 294–297 (2009).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Xu, C. & Moore, J. E. Stability of the quantum spin Hall effect: effects of interactions, disorder, and \({{\mathcal{Z}}}_{2}\) topology. Phys. Rev. B 73, 045322 (2006).

    Article 

    Google Scholar
     

  • Maciejko, J. et al. Kondo effect in the helical edge liquid of the quantum spin Hall state. Phys. Rev. Lett. 102, 256803 (2009).

    Article 
    PubMed 

    Google Scholar
     

  • Zhang, S.-B., Zhang, Y.-Y. & Shen, S.-Q. Robustness of quantum spin Hall effect in an external magnetic field. Phys. Rev. B 90, 115305 (2014).

    Article 

    Google Scholar
     

  • Ma, E. Y. et al. Unexpected edge conduction in mercury telluride quantum wells under broken time-reversal symmetry. Nat. Commun. 6, 7252 (2015).

    Article 
    PubMed 

    Google Scholar
     

  • Li, C. et al. Electrical detection of charge-current-induced spin polarization due to spin-momentum locking in Bi2Se3. Nat. Nanotechnol. 9, 218–224 (2014).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Liu, Y. et al. Raman signatures of broken inversion symmetry and in-plane anisotropy in type-II Weyl semimetal candidate TaIrTe4. Adv. Mater. 30, 1706402 (2018).

    Article 

    Google Scholar
     

  • Dong, X. et al. Observation of topological edge states at the step edges on the surface of type-II Weyl semimetal TaIrTe4. ACS Nano 13, 9571–9577 (2019).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Kresse, G. & Furthmüller, J. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set. Phys. Rev. B 54, 11169 (1996).

    Article 
    CAS 

    Google Scholar
     

  • Perdew, J. P., Burke, K. & Ernzerhof, M. Generalized gradient approximation made simple. Phys. Rev. Lett. 77, 3865 (1996).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Klimeš, J., Bowler, D. R. & Michaelides, A. Van der Waals density functionals applied to solids. Phys. Rev. B 83, 195131 (2011).

    Article 

    Google Scholar
     

  • Mostofi, A. A. et al. wannier90: a tool for obtaining maximally-localised Wannier functions. Comput. Phys. Commun. 178, 685–699 (2008).

    Article 
    CAS 

    Google Scholar
     

  • Togo, A. & Tanaka, I. First principles phonon calculations in materials science. Scr. Mater. 108, 1–5 (2015).

    Article 
    CAS 

    Google Scholar
     

  • Bryant, G. W. Surface states of ternary semiconductor alloys: effect of alloy fluctuations in one-dimensional models with realistic atoms. Phys. Rev. B 31, 5166 (1985).

    Article 
    CAS 

    Google Scholar
     

  • Fröhlich, H. On the theory of superconductivity: The one-dimensional case. Proc. R. Soc. A. 223, 296–305 (1954).


    Google Scholar
     

  • [ad_2]

    Source link

  • Evidence of the fractional quantum spin Hall effect in moiré MoTe2

    [ad_1]

  • Kane, C. L. & Mele, E. J. Quantum spin Hall effect in graphene. Phys. Rev. Lett. 95, 226801 (2005).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Kane, C. L. & Mele, E. J. Z2 topological order and the quantum spin Hall effect. Phys. Rev. Lett. 95, 146802 (2005).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Bernevig, B. A., Hughes, T. L. & Zhang, S. C. Quantum spin Hall effect and topological phase transition in HgTe quantum wells. Science 314, 1757–1761 (2006).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Bernevig, B. A. & Zhang, S.-C. Quantum spin Hall effect. Phys. Rev. Lett. 96, 106802 (2006).

    Article 
    PubMed 

    Google Scholar
     

  • Sheng, D. N., Weng, Z. Y., Sheng, L. & Haldane, F. D. M. Quantum spin-Hall effect and topologically invariant Chern numbers. Phys. Rev. Lett. 97, 036808 (2006).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Hasan, M. Z. & Kane, C. L. Colloquium: topological insulators. Rev. Mod. Phys. 82, 3045–3067 (2010).

    Article 
    CAS 

    Google Scholar
     

  • Konig, M. et al. Quantum spin hall insulator state in HgTe quantum wells. Science 318, 766–770 (2007).

    Article 
    PubMed 

    Google Scholar
     

  • Roth, A. et al. Nonlocal transport in the quantum spin Hall state. Science 325, 294–297 (2009).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Knez, I., Du, R. R. & Sullivan, G. Evidence for helical edge modes in inverted InAs/GaSb quantum wells. Phys. Rev. Lett. 107, 136603 (2011).

    Article 
    PubMed 

    Google Scholar
     

  • Young, A. F. et al. Tunable symmetry breaking and helical edge transport in a graphene quantum spin Hall state. Nature 505, 528–532 (2014).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Fei, Z. et al. Edge conduction in monolayer WTe2. Nat. Phys. 13, 677–682 (2017).

    Article 
    CAS 

    Google Scholar
     

  • Wu, S. F. et al. Observation of the quantum spin Hall effect up to 100 kelvin in a monolayer crystal. Science 359, 76–79 (2018).

    Article 
    MathSciNet 
    CAS 
    PubMed 

    Google Scholar
     

  • Li, T. et al. Quantum anomalous Hall effect from intertwined moiré bands. Nature 600, 641–646 (2021).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Zhao, W. et al. Realization of the Haldane Chern insulator in a moiré lattice. Nat. Phys. 20, 275–280 (2024).

  • Wu, F. C., Lovorn, T., Tutuc, E., Martin, I. & MacDonald, A. H. Topological insulators in twisted transition metal dichalcogenide homobilayers. Phys. Rev. Lett. 122, 086402 (2019).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Devakul, T., Crepel, V., Zhang, Y. & Fu, L. Magic in twisted transition metal dichalcogenide bilayers. Nat. Commun. 12, 6730 (2021).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Andrei, E. Y. et al. The marvels of moiré materials. Nat. Rev. Mater. 6, 201–206 (2021).

    Article 
    CAS 

    Google Scholar
     

  • Kennes, D. M. et al. Moire heterostructures as a condensed-matter quantum simulator. Nat. Phys. 17, 155–163 (2021).

    Article 
    CAS 

    Google Scholar
     

  • Mak, K. F. & Shan, J. Semiconductor moire materials. Nat. Nanotechnol. 17, 686–695 (2022).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Cao, Y. et al. Unconventional superconductivity in magic-angle graphene superlattices. Nature 556, 43–50 (2018).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Wang, L. et al. Correlated electronic phases in twisted bilayer transition metal dichalcogenides. Nat. Mater. 19, 861–866 (2020).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Xiao, D., Liu, G. B., Feng, W., Xu, X. & Yao, W. Coupled spin and valley physics in monolayers of MoS2 and other group-VI dichalcogenides. Phys. Rev. Lett. 108, 196802 (2012).

    Article 
    PubMed 

    Google Scholar
     

  • Cai, J. et al. Signatures of fractional quantum anomalous Hall states in twisted MoTe2. Nature 622, 63–68 (2023).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Zeng, Y. et al. Thermodynamic evidence of fractional Chern insulator in moire MoTe2. Nature 622, 69–73 (2023).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Park, H. et al. Observation of fractionally quantized anomalous Hall effect. Nature 622, 74–79 (2023).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Xu, F. et al. Observation of Integer and Fractional Quantum Anomalous Hall Effects in Twisted Bilayer MoTe2. Phys. Rev. 13, 031037 (2023).

    Article 
    CAS 

    Google Scholar
     

  • Reddy, A. P., Alsallom, F. F., Zhang, Y., Devakul, T. & Fu, L. Fractional quantum anomalous Hall states in twisted bilayer MoTe2 and WSe2. Phys. Rev. B 108, 085117 (2023).

  • Wang, C. et al. Fractional Chern insulator in twisted bilayer MoTe2. Phys. Rev. Lett. 132, 036501 (2024).

  • Morales-Durán, N., Wei, N., Shi, J. & MacDonald, A. H. Magic angles and fractional Chern insulators in twisted homobilayer TMDs. Preprint at arxiv.org/abs/2308.03143 (2023).

  • Mao, N. et al. Lattice relaxation, electronic structure and continuum model for twisted bilayer MoTe2. Preprint at arxiv.org/abs/2311.07533 (2023).

  • Crépel, V., Regnault, N. & Queiroz, R. The chiral limits of moiré semiconductors: origin of flat bands and topology in twisted transition metal dichalcogenides homobilayers. Preprint at https://arxiv.org/abs/2305.10477 (2023).

  • Jia, Y. et al. Moiré fractional Chern insulators I: first-principles calculations and continuum models of twisted bilayer MoTe2. Preprint at arxiv.org/abs/2311.04958 (2023).

  • Li, B., Qiu, X-W, Wu, F. Electrically tuned topology and magnetism in twisted bilayer MoTe2 at νh = 1. Phys. Rev. B 109, L041106 (2024).

  • Mai, P., Feldman, B. E. & Phillips, P. W. Topological Mott insulator at quarter filling in the interacting Haldane model. Phys. Rev. Res. 5, 013162 (2023).

    Article 
    CAS 

    Google Scholar
     

  • Morales-Durán, N. et al. Pressure-enhanced fractional Chern insulators along a magic line in moiré transition metal dichalcogenides. Phys. Rev. Research 5, L032022 (2023).

  • Bai, Y. X. et al. Doubled quantum spin Hall effect with high-spin Chern number in α-antimonene and α-bismuthene. Phys. Rev. B 105, 195142 (2022).

    Article 
    CAS 

    Google Scholar
     

  • Levin, M. & Stern, A. Fractional topological insulators. Phys. Rev. Lett. 103, 196803 (2009).

    Article 
    PubMed 

    Google Scholar
     

  • Maciejko, J. & Fiete, G. A. Fractionalized topological insulators. Nat. Phys. 11, 385–388 (2015).

    Article 

    Google Scholar
     

  • Neupert, T., Chamon, C., Iadecola, T., Santos, L. H. & Mudry, C. Fractional (Chern and topological) insulators. Phys. Scr. 2015, 014005 (2015).

    Article 

    Google Scholar
     

  • Stern, A. Fractional topological insulators: a pedagogical review. Annu. Rev. Condens. Matter Phys. 7, 349–368 (2016).

    Article 
    CAS 

    Google Scholar
     

  • Wu, Y.-M., Shaffer, D., Wu, Z. & Santos, L. H. Time-reversal invariant topological moiré flatband: a platform for the fractional quantum spin Hall effect. Preprint at https://arxiv.org/abs/2309.07222 (2023).

  • Nayak, C., Simon, S. H., Stern, A., Freedman, M. & Das Sarma, S. Non-Abelian anyons and topological quantum computation. Rev. Mod. Phys. 80, 1083–1159 (2008).

    Article 
    MathSciNet 
    CAS 

    Google Scholar
     

  • Stormer, H. L., Tsui, D. C. & Gossard, A. C. The fractional quantum Hall effect. Rev. Mod. Phys. 71, S298–S305 (1999).

    Article 
    MathSciNet 
    CAS 

    Google Scholar
     

  • Spanton, E. M. et al. Observation of fractional Chern insulators in a van der Waals heterostructure. Science 360, 62–66 (2018).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Xie, Y. et al. Fractional Chern insulators in magic-angle twisted bilayer graphene. Nature 600, 439–443 (2021).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Lu, Z. et al. Fractional quantum anomalous Hall effect in multilayer graphene. Nature 626, 759–764 (2024).

  • Xu, Y. et al. A tunable bilayer Hubbard model in twisted WSe2. Nat. Nanotechnol. 17, 934–939 (2022).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Shi, Q. et al. Odd- and even-denominator fractional quantum Hall states in monolayer WSe2. Nat. Nanotechnol. 15, 569–573 (2020).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Wang, L. et al. One-dimensional electrical contact to a two-dimensional material. Science 342, 614–617 (2013).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Lau, C. N., Bockrath, M. W., Mak, K. F. & Zhang, F. Reproducibility in the fabrication and physics of moiré materials. Nature 602, 41–50 (2022).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Xia, Z. et al. Optical readout of the chemical potential of two-dimensional electrons. Nat. Photon. 10.1038/s41566-024-01377-3 (2024).

  • Büttiker, M. Absence of backscattering in the quantum Hall effect in multiprobe conductors. Phys. Rev. B 38, 9375–9389 (1988).

    Article 

    Google Scholar
     

  • Pack, J. et al. Charge-transfer contact to a high-mobility monolayer semiconductor. Preprint at arxiv.org/abs/2310.19782 (2023).

  • Abanin, D. A. et al. Giant nonlocality near the Dirac point in graphene. Science 332, 328–330 (2011).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • [ad_2]

    Source link

  • A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers

    [ad_1]

  • Yadav, A. K. et al. Observation of polar vortices in oxide superlattices. Nature 530, 198–201 (2016).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Hsu, S.-L. et al. Emergence of the vortex state in confined ferroelectric heterostructures. Adv. Mater. 31, 1901014 (2019).

    Article 

    Google Scholar
     

  • Shafer, P. et al. Emergent chirality in the electric polarization texture of titanate superlattices. Proc. Natl Acad. Sci. USA 115, 915–920 (2018).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Gruverman, A. et al. Vortex ferroelectric domains. J. Phys. Condens. Matter 20, 342201 (2008).

    Article 

    Google Scholar
     

  • Nelson, C. et al. Spontaneous vortex nanodomain arrays at ferroelectric heterointerfaces. Nano Lett. 11, 828–834 (2011).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Das, S. et al. Observation of room-temperature polar skyrmions. Nature 568, 368–372 (2019).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Caretta, L. et al. Non-volatile electric-field control of inversion symmetry. Nat. Mater. 22, 207–215 (2023).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Yuan, S. et al. Hexagonal close-packed polar-skyrmion lattice in ultrathin ferroelectric PbTiO3 films. Phys. Rev. Lett. 130, 226801 (2023).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Chen, S. et al. Recent progress on topological structures in ferroic thin films and heterostructures. Adv. Mater. 33, 2000857 (2021).

    Article 
    CAS 

    Google Scholar
     

  • Rusu, D. et al. Ferroelectric incommensurate spin crystals. Nature 602, 240–244 (2022).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Jia, C.-L., Urban, K. W., Alexe, M., Hesse, D. & Vrejoiu, I. Direct observation of continuous electric dipole rotation in flux-closure domains in ferroelectric Pb(Zr,Ti)O3. Science 331, 1420–1423 (2011).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Peters, J. J. P., Apachitei, G., Beanland, R., Alexe, M. & Sanchez, A. M. Polarization curling and flux closures in multiferroic tunnel junctions. Nat. Commun. 7, 13484 (2016).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Schilling, A. et al. Domains in ferroelectric nanodots. Nano Lett. 9, 3359–3364 (2009).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Tang, Y. L. et al. Observation of a periodic array of flux-closure quadrants in strained ferroelectric PbTiO3 films. Science 348, 547–551 (2015).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Naumov, I. I., Bellaiche, L. & Fu, H. Unusual phase transitions in ferroelectric nanodisks and nanorods. Nature 432, 737–740 (2004).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Kornev, I., Fu, H. & Bellaiche, L. Ultrathin films of ferroelectric solid solutions under a residual depolarizing field. Phys. Rev. Lett. 93, 196104 (2004).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Naumov, I. & Bratkovsky, A. M. Unusual polarization patterns in flat epitaxial ferroelectric nanoparticles. Phys. Rev. Lett. 101, 107601 (2008).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Choi, K. J. et al. Enhancement of ferroelectricity in strained BaTiO3 thin films. Science 306, 1005–1009 (2004).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Catalan, G. et al. Flexoelectric rotation of polarization in ferroelectric thin films. Nat. Mater. 10, 963–967 (2011).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Zubko, P., Catalan, G. & Tagantsev, A. K. Flexoelectric effect in solids. Annu. Rev. Mater. Res. 43, 387–421 (2013).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Pertsev, N. A., Zembilgotov, A. G. & Tagantsev, A. K. Effect of mechanical boundary conditions on phase diagrams of epitaxial ferroelectric thin films. Phys. Rev. Lett. 80, 1988–1991 (1998).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Aguado-Puente, P. & Junquera, J. Ferromagneticlike closure domains in ferroelectric ultrathin films: first-principles simulations. Phys. Rev. Lett. 100, 177601 (2008).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Hong, J., Catalan, G., Fang, D. N., Artacho, E. & Scott, J. F. Topology of the polarization field in ferroelectric nanowires from first principles. Phys. Rev. B 81, 172101 (2010).

    Article 
    ADS 

    Google Scholar
     

  • Lu, H. et al. Mechanical writing of ferroelectric polarization. Science 336, 59–61 (2012).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Cao, Y. et al. Tunable correlated states and spin-polarized phases in twisted bilayer–bilayer graphene. Nature 583, 215–220 (2020).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Andrei, E. Y. et al. The marvels of moiré materials. Nat. Rev. Mater. 6, 201–206 (2021).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Kazmierczak, N. P. et al. Strain fields in twisted bilayer graphene. Nat. Mater. 20, 956–963 (2021).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Lu, D. et al. Synthesis of freestanding single-crystal perovskite films and heterostructures by etching of sacrificial water-soluble layers. Nat. Mater. 15, 1255–1260 (2016).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Hong, S. S. et al. Extreme tensile strain states in La0.7Ca0.3MnO3 membranes. Science 368, 71–76 (2020).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Dong, G. et al. Super-elastic ferroelectric single-crystal membrane with continuous electric dipole rotation. Science 366, 475–479 (2019).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Han, L. et al. High-density switchable skyrmion-like polar nanodomains integrated on silicon. Nature 603, 63–67 (2022).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Shao, Y.-T. et al. Emergent chirality in a polar meron to skyrmion phase transition. Nat. Commun. 14, 1355 (2023).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Puebla, S. et al. Combining freestanding ferroelectric perovskite oxides with two-dimensional semiconductors for high performance transistors. Nano Lett. 22, 7457–7466 (2022).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Shen, J. et al. Observation of moiré patterns in twisted stacks of bilayer perovskite oxide nanomembranes with various lattice symmetries. ACS Appl. Mater. Interfaces 14, 50386–50392 (2022).

    Article 
    MathSciNet 
    CAS 

    Google Scholar
     

  • Li, Y. et al. Stacking and twisting of freestanding complex oxide thin filmsAdv. Mater. 34, e2203187 (2022).

    Article 
    PubMed 

    Google Scholar
     

  • Devonshire, A. F. XCVI. Theory of barium titanate. London, Edinburgh, Dublin Philos. Mag. J. Sci. 40, 1040–1063 (1949).

    Article 
    CAS 

    Google Scholar
     

  • Íñiguez, J., Ivantchev, S., Perez-Mato, J. M. & García, A. Devonshire-Landau free energy of BaTiO3 from first principles. Phys. Rev. B 63, 144103 (2001).

    Article 
    ADS 

    Google Scholar
     

  • King-Smith, R. D. & Vanderbilt, D. First-principles investigation of ferroelectricity in perovskite compounds. Phys. Rev. B 49, 5828–5844 (1994).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • López-Pérez, J. & Íñiguez, J. Ab initio study of proper topological ferroelectricity in layered perovskite La2Ti2O7. Phys. Rev. B 84, 075121 (2011).

    Article 
    ADS 

    Google Scholar
     

  • Zheng, Z. et al. Unconventional ferroelectricity in moiré heterostructures. Nature 588, 71–76 (2020).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Yasuda, K., Wang, X., Watanabe, K., Taniguchi, T. & Jarillo-Herrero, P. Stacking-engineered ferroelectricity in bilayer boron nitride. Science 372, 1458–1462 (2021).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Woods, C. R. et al. Charge-polarized interfacial superlattices in marginally twisted hexagonal boron nitride. Nat. Commun. 12, 347 (2021).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Vizner Stern, M. et al. Interfacial ferroelectricity by van der Waals sliding. Science 372, 1462–1466 (2021).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Bennett, D. Theory of polar domains in moiré heterostructures. Phys. Rev. B 105, 235445 (2022).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Wang, J. et al. Polar Solomon rings in ferroelectric nanocrystals. Nat. Commun. 14, 3941 (2023).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Yu, X. Z. et al. Transformation between meron and skyrmion topological spin textures in a chiral magnet. Nature 564, 95–98 (2018).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Sanchez-Santolino, G. et al. Resonant electron tunnelling assisted by charged domain walls in multiferroic tunnel junctions. Nat. Nanotechnol. 12, 655–662 (2017).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Pesquera, D. et al. Beyond substrates: strain engineering of ferroelectric membranes. Adv. Mater. 32, 2003780 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Borisevich, A. Y., Lupini, A. R. & Pennycook, S. J. Depth sectioning with the aberration-corrected scanning transmission electron microscope. Proc. Natl Acad. Sci. USA 103, 3044–3048 (2006).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Ishikawa, R., Lupini, A. R., Hinuma, Y. & Pennycook, S. J. Large-angle illumination STEM: Toward three-dimensional atom-by-atom imaging. Ultramicroscopy 151, 122–129 (2015).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Verbeeck, J. & Van Aert, S. Model based quantification of EELS spectra. Ultramicroscopy 101, 207–224 (2004).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Thomas, P. J. & Twesten, R. D. A simple, model based approach for robust quantification of EELS spectra and spectrum-images. Microsc. Microanal. 18, 968–969 (2012).

    Article 
    ADS 

    Google Scholar
     

  • Galindo, P. L. et al. The Peak Pairs algorithm for strain mapping from HRTEM images. Ultramicroscopy 107, 1186–1193 (2007).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Nord, M., Vullum, P. E., MacLaren, I., Tybell, T. & Holmestad, R. Atomap: a new software tool for the automated analysis of atomic resolution images using two-dimensional Gaussian fitting. Adv. Struct. Chem. Imaging 3, 9 (2017).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Ghosez, Ph., Michenaud, J. & Gonze, X. Dynamical atomic charges: The case of ABO3 compounds. Phys. Rev. B 58, 6224–6240 (1998).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Smeaton, M. A., Schnitzer, N., Zheng, H., Mitchell, J. F. & Kourkoutis, L. F. Channeling-Induced Artifacts in Atom Tracking of Cations in Distorted Perovskites Imaged by HAADF-STEM. Microsc. Microanal. 28, 1736–1738 (2022).

    Article 
    ADS 

    Google Scholar
     

  • Oveisi, E., Spadaro, M. C., Rotunno, E., Grillo, V. & Hébert, C. Insights into image contrast from dislocations in ADF-STEM. Ultramicroscopy 200, 139–148 (2019).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Kim, Y. et al. Remote epitaxy through graphene enables two-dimensional material-based layer transfer. Nature 544, 340–343 (2017).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Kum, H. S. et al. Heterogeneous integration of single-crystalline complex-oxide membranes. Nature 578, 75–81 (2020).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Kong, W. et al. Polarity governs atomic interaction through two-dimensional materials. Nat. Mater. 17, 999–1004 (2018).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Kresse, G. & Furthmüller, J. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set. Phys. Rev. B 54, 11169–11186 (1996).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Kresse, G. & Joubert, D. From ultrasoft pseudopotentials to the projector augmented-wave method. Phys. Rev. B 59, 1758–1775 (1999).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Perdew, J. P. et al. Restoring the density-gradient expansion for exchange in solids and surfaces. Phys. Rev. Lett. 100, 136406 (2008).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Blöchl, P. E. Projector augmented-wave method. Phys. Rev. B 50, 17953–17979 (1994).

    Article 
    ADS 

    Google Scholar
     

  • Monkhorst, H. J. & Pack, J. D. Special points for Brillouin-zone integrations. Phys. Rev. B 13, 5188–5192 (1976).

    Article 
    ADS 
    MathSciNet 

    Google Scholar
     

  • Harada, J., Axe, J. D. & Shirane, G. Neutron-scattering study of soft modes in cubic BaTiO3. Phys. Rev. B 4, 155–162 (1971).

    Article 
    ADS 

    Google Scholar
     

  • Yudin, P. V., Ahluwalia, R. & Tagantsev, A. K. Upper bounds for flexoelectric coefficients in ferroelectrics. Appl. Phys. Lett. 104, 082913 (2014).

    Article 
    ADS 

    Google Scholar
     

  • Wang, B., Gu, Y., Zhang, S. & Chen, L.-Q. Flexoelectricity in solids: Progress, challenges, and perspectives. Prog. Mater. Sci. 106, 100570 (2019).

    Article 
    CAS 

    Google Scholar
     

  • Ma, W. & Cross, L. E. Strain-gradient-induced electric polarization in lead zirconate titanate ceramics. Appl. Phys. Lett. 82, 3293–3295 (2003).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Stengel, M. Surface control of flexoelectricity. Phys. Rev. B 90, 201112 (2014).

    Article 
    ADS 

    Google Scholar
     

  • Dreyer, C. E., Stengel, M. & Vanderbilt, D. Current-density implementation for calculating flexoelectric coefficients. Phys. Rev. B 98, 075153 (2018).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • [ad_2]

    Source link