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Figure 1. (a) Schematic diagram for synthesizing single crystals by CVT technology and optical images of topological quantum single crystals grown by CVT. Reprinted with permission from Ref. [46]. Copyright 2017, American Physical Society. (b) ZrGeSe. Reprinted with permission from Ref. [47]. Copyright 2019. American Chemical Society. (c) MnSb2Te4. Reprinted with permission from Ref. [24]. Copyright 2022. American Chemical Society. (d) MnBi2Te4. Reprinted with permission from Ref. [21]. Copyright 2021. American Physical Society. (e) SmSbTe. Reprinted with permission from Ref. [20]. Copyright 2021. John Wiley & Sons, Inc.
Figure 2. (a) Illustration of the preparation of single crystals by the self-flux method and optical images of topological quantum materials. Reprinted with permisssion from Ref. [46]. Copyright 2017, American Physical Society. (b) FeSn. Reprinted with permission from Ref. [48]. Copyright 2019. American Physical Society. (c) CsV3Sb5. Reprinted with permission from Ref. [49]. Copyright 2022. American Physical Society. (d) Fe3GeTe2. Reprinted with permission from Ref. [50]. Copyright 2016. American Physical Society. (e) FeSe. Reprinted with permission from Ref. [46]. Copyright 2017. American Physical Society.
Figure 3. Schematic diagram of FeTe material synthesis by the CVD method. Reprinted with permission from Ref. [77]. Copyright 2020. Springer Nature.
Figure 4. Schematic diagram of Al2O3-assisted mechanical exfoliation of Fe3GeTe2. Reprinted with permission from Ref. [88]. Copyright 2018. Springer Nature.
Figure 5. Schematic illustration of different liquid exfoliation procedures: (a) intercalation, (b) ion exchange, and (c) ultrasonic exfoliation. Reprinted with permission from Ref. [98]. Copyright 2011. AAAS.
Figure
6.
(a) Photo of Co3Sn2S2 single crystals. Reprinted with permission from Ref. [104]. Copyright 2023, IOP Publishing. (b) Temperature dependence of magnetic susceptibility with ZFC and FC modes at μ0H = 1 T with H||c. Inset: field dependence of magnetization at 5 and 300 K for H||c. Reprinted with permission from Ref. [105]. Copyright 2018. Springer Nature. (c) The Brillouin zones of Co3Sn2S2 for the bulk and (111) surface with several high-symmetry points marked in red. Reprinted with permission from Ref. [106]. Copyright 2021. American Physical Society. (d) The Fermi surface in the vicinity of the
Figure
7.
(a) Optical image of PbTaSe2 single crystals. (b) The diagram of helical Cooper pairing as the result of the surface-bulk proximity effect. (c) ARPES Fermi surface taken with 64 eV photons. (d) ARPES spectral cut along
Figure 8. (a) Topological surface states of 2 M-WS2, reprinted with permission from Ref. [108], copyright 2019, John Wiley & Sons, Inc. (b) Schematic diagram of the spin–orbit semiconductor nanowire coupled to the S-wave superconductor in an external magnetic field B. Majorana zero modes γ are expected at the ends of the heterogeneous nanowire, reprinted with permission from Ref. [109], copyright 2020, Springer Nature.
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