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| 001 | 812032 | ||
| 005 | 20210129224007.0 | ||
| 024 | 7 | _ | |2 doi |a 10.1088/2053-1583/3/2/025037 |
| 024 | 7 | _ | |2 WOS |a WOS:000378571400057 |
| 037 | _ | _ | |a FZJ-2016-04328 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |0 P:(DE-Juel1)159381 |a Niu, Chengwang |b 0 |e Corresponding author |u fzj |
| 245 | _ | _ | |a Two-dimensional topological crystalline insulator phase in quantum wells of trivial insulators |
| 260 | _ | _ | |a Bristol |b IOP Publ. |c 2016 |
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| 336 | 7 | _ | |2 BibTeX |a ARTICLE |
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| 520 | _ | _ | |a The realization of two-dimensional (2D) topological insulators (TIs) in HgTe/CdTe quantum wells (QWs) has generated an explosion of research on TIs and novel topologically nontrivial phases. Here we predict, based on first-principles calculations, that the newly discovered 2D topological crystalline insulators (TCIs) phase exists even in the QWs of trivial insulators, e.g. (Sn/Pb)Te and Na(Cl/Br), with mirror Chern number ${n}_{{\rm{M}}}=-2$. Tunable nontrivial energy gaps ranging from 4 to 238 meV are obtained, guaranteeing further room-temperature observations and applications. The combined effect of strain and electrostatic interaction that can be engineered by the cladding layers leads to a band inversion, resulting in the phase transition from trivial insulator to 2D TCIs. Our work provides a new strategy for engineering topological states in 2D materials. |
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| 700 | 1 | _ | |0 P:(DE-Juel1)130545 |a Bihlmayer, Gustav |b 2 |
| 700 | 1 | _ | |0 P:(DE-Juel1)131042 |a Wortmann, Daniel |b 3 |u fzj |
| 700 | 1 | _ | |0 P:(DE-Juel1)130548 |a Blügel, Stefan |b 4 |u fzj |
| 700 | 1 | _ | |0 P:(DE-Juel1)130848 |a Mokrousov, Yuriy |b 5 |u fzj |
| 773 | _ | _ | |0 PERI:(DE-600)2779376-X |a 10.1088/2053-1583/3/2/025037 |g Vol. 3, no. 2, p. 025037 - |n 2 |p 025037 |t 2D Materials |v 3 |x 2053-1583 |y 2016 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/812032/files/2dm_3_2_025037.pdf |y Restricted |
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| 914 | 1 | _ | |y 2016 |
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| 915 | _ | _ | |0 StatID:(DE-HGF)9905 |2 StatID |a IF >= 5 |b 2D MATER : 2015 |
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