Large quantum-spin-Hall gap in single-layer 1T′ WSe2

The current known two-dimensional topological insulators with small band gaps limit the potential for room temperature applications. Here, Chen et al. observe a sizable gap of 129 meV in a 1T'-WSe2 single layer grown on bilayer graphene with in-gap edge state near the layer boundary.

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Autores principales:	P. Chen, Woei Wu Pai, Y.-H. Chan, W.-L. Sun, C.-Z. Xu, D.-S. Lin, M. Y. Chou, A.-V. Fedorov, T.-C. Chiang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/f4865d555ad54ad8a0b7483e6579d3c3
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spelling	oai:doaj.org-article:f4865d555ad54ad8a0b7483e6579d3c32021-12-02T14:39:10ZLarge quantum-spin-Hall gap in single-layer 1T′ WSe210.1038/s41467-018-04395-22041-1723https://doaj.org/article/f4865d555ad54ad8a0b7483e6579d3c32018-05-01T00:00:00Zhttps://doi.org/10.1038/s41467-018-04395-2https://doaj.org/toc/2041-1723The current known two-dimensional topological insulators with small band gaps limit the potential for room temperature applications. Here, Chen et al. observe a sizable gap of 129 meV in a 1T'-WSe2 single layer grown on bilayer graphene with in-gap edge state near the layer boundary.P. ChenWoei Wu PaiY.-H. ChanW.-L. SunC.-Z. XuD.-S. LinM. Y. ChouA.-V. FedorovT.-C. ChiangNature PortfolioarticleScienceQENNature Communications, Vol 9, Iss 1, Pp 1-7 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q P. Chen Woei Wu Pai Y.-H. Chan W.-L. Sun C.-Z. Xu D.-S. Lin M. Y. Chou A.-V. Fedorov T.-C. Chiang Large quantum-spin-Hall gap in single-layer 1T′ WSe2
description	The current known two-dimensional topological insulators with small band gaps limit the potential for room temperature applications. Here, Chen et al. observe a sizable gap of 129 meV in a 1T'-WSe2 single layer grown on bilayer graphene with in-gap edge state near the layer boundary.
format	article
author	P. Chen Woei Wu Pai Y.-H. Chan W.-L. Sun C.-Z. Xu D.-S. Lin M. Y. Chou A.-V. Fedorov T.-C. Chiang
author_facet	P. Chen Woei Wu Pai Y.-H. Chan W.-L. Sun C.-Z. Xu D.-S. Lin M. Y. Chou A.-V. Fedorov T.-C. Chiang
author_sort	P. Chen
title	Large quantum-spin-Hall gap in single-layer 1T′ WSe2
title_short	Large quantum-spin-Hall gap in single-layer 1T′ WSe2
title_full	Large quantum-spin-Hall gap in single-layer 1T′ WSe2
title_fullStr	Large quantum-spin-Hall gap in single-layer 1T′ WSe2
title_full_unstemmed	Large quantum-spin-Hall gap in single-layer 1T′ WSe2
title_sort	large quantum-spin-hall gap in single-layer 1t′ wse2
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/f4865d555ad54ad8a0b7483e6579d3c3
work_keys_str_mv	AT pchen largequantumspinhallgapinsinglelayer1twse2 AT woeiwupai largequantumspinhallgapinsinglelayer1twse2 AT yhchan largequantumspinhallgapinsinglelayer1twse2 AT wlsun largequantumspinhallgapinsinglelayer1twse2 AT czxu largequantumspinhallgapinsinglelayer1twse2 AT dslin largequantumspinhallgapinsinglelayer1twse2 AT mychou largequantumspinhallgapinsinglelayer1twse2 AT avfedorov largequantumspinhallgapinsinglelayer1twse2 AT tcchiang largequantumspinhallgapinsinglelayer1twse2
_version_	1718390748008677376

Large quantum-spin-Hall gap in single-layer 1T′ WSe2

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