Electronic structure of the quantum spin Hall parent compound CdTe and related topological issues

Jie Ren; Guang Bian; Li Fu; Chang Liu; Tao Wang; Gangqiang Zha; Wanqi Jie; Madhab Neupane; T. Miller; M. Z. Hasan; T. C. Chiang

doi:10.1103/PhysRevB.90.205211

Electronic structure of the quantum spin Hall parent compound CdTe and related topological issues

Jie Ren, Guang Bian, Li Fu, Chang Liu, Tao Wang, Gangqiang Zha, Wanqi Jie, Madhab Neupane, T. Miller, M. Z. Hasan, T. C. Chiang

材料学院

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12 引用（Scopus）

摘要

Cadmium telluride (CdTe), a compound widely used in devices, is a key base material for the experimental realization of the quantum spin Hall phase. We report herein a study of the electronic structure of CdTe by angle-resolved photoemission spectroscopy from well-ordered (110) surfaces. The results are compared with first-principles calculations to illustrate the topological distinction between CdTe and a closely related compound HgTe. Through a theoretical simulation a topological phase transition as well as the Dirac-Kane semimetal phase at the critical point was demonstrated in the mixed compound HgxCd1-xTe.

源语言	英语
文章编号	205211
期刊	Physical Review B - Condensed Matter and Materials Physics
卷	90
期	20
DOI	https://doi.org/10.1103/PhysRevB.90.205211
出版状态	已出版 - 17 11月 2014

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abstract = "Cadmium telluride (CdTe), a compound widely used in devices, is a key base material for the experimental realization of the quantum spin Hall phase. We report herein a study of the electronic structure of CdTe by angle-resolved photoemission spectroscopy from well-ordered (110) surfaces. The results are compared with first-principles calculations to illustrate the topological distinction between CdTe and a closely related compound HgTe. Through a theoretical simulation a topological phase transition as well as the Dirac-Kane semimetal phase at the critical point was demonstrated in the mixed compound HgxCd1-xTe.",

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AU - Ren, Jie

AU - Bian, Guang

AU - Fu, Li

AU - Liu, Chang

AU - Wang, Tao

AU - Zha, Gangqiang

AU - Jie, Wanqi

AU - Neupane, Madhab

AU - Miller, T.

AU - Hasan, M. Z.

AU - Chiang, T. C.

PY - 2014/11/17

Y1 - 2014/11/17

N2 - Cadmium telluride (CdTe), a compound widely used in devices, is a key base material for the experimental realization of the quantum spin Hall phase. We report herein a study of the electronic structure of CdTe by angle-resolved photoemission spectroscopy from well-ordered (110) surfaces. The results are compared with first-principles calculations to illustrate the topological distinction between CdTe and a closely related compound HgTe. Through a theoretical simulation a topological phase transition as well as the Dirac-Kane semimetal phase at the critical point was demonstrated in the mixed compound HgxCd1-xTe.

AB - Cadmium telluride (CdTe), a compound widely used in devices, is a key base material for the experimental realization of the quantum spin Hall phase. We report herein a study of the electronic structure of CdTe by angle-resolved photoemission spectroscopy from well-ordered (110) surfaces. The results are compared with first-principles calculations to illustrate the topological distinction between CdTe and a closely related compound HgTe. Through a theoretical simulation a topological phase transition as well as the Dirac-Kane semimetal phase at the critical point was demonstrated in the mixed compound HgxCd1-xTe.

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M3 - 文章

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SN - 1098-0121

VL - 90

JO - Physical Review B - Condensed Matter and Materials Physics

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Electronic structure of the quantum spin Hall parent compound CdTe and related topological issues

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