Nonmagnetic band gap at the Dirac point of the magnetic topological insulator (Bi1−xMnx)2Se3

Doping a topological insulator with magnetic impurities is expected to induce ferromagnetism and open a band gap in its surface states. Here, the authors study Mn-doped Bi2Se3, finding a mechanism for band gap opening in topologically-protected surface states which is not of magnetic origin.

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Autores principales:	J. Sánchez-Barriga, A. Varykhalov, G. Springholz, H. Steiner, R. Kirchschlager, G. Bauer, O. Caha, E. Schierle, E. Weschke, A. A. Ünal, S. Valencia, M. Dunst, J. Braun, H. Ebert, J. Minár, E. Golias, L. V. Yashina, A. Ney, V. Holý, O. Rader
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2016
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/bab09ea8531545da888263a8c825ac3d
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spelling	oai:doaj.org-article:bab09ea8531545da888263a8c825ac3d2021-12-02T14:39:13ZNonmagnetic band gap at the Dirac point of the magnetic topological insulator (Bi1−xMnx)2Se310.1038/ncomms105592041-1723https://doaj.org/article/bab09ea8531545da888263a8c825ac3d2016-02-01T00:00:00Zhttps://doi.org/10.1038/ncomms10559https://doaj.org/toc/2041-1723Doping a topological insulator with magnetic impurities is expected to induce ferromagnetism and open a band gap in its surface states. Here, the authors study Mn-doped Bi2Se3, finding a mechanism for band gap opening in topologically-protected surface states which is not of magnetic origin.J. Sánchez-BarrigaA. VarykhalovG. SpringholzH. SteinerR. KirchschlagerG. BauerO. CahaE. SchierleE. WeschkeA. A. ÜnalS. ValenciaM. DunstJ. BraunH. EbertJ. MinárE. GoliasL. V. YashinaA. NeyV. HolýO. RaderNature PortfolioarticleScienceQENNature Communications, Vol 7, Iss 1, Pp 1-10 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q J. Sánchez-Barriga A. Varykhalov G. Springholz H. Steiner R. Kirchschlager G. Bauer O. Caha E. Schierle E. Weschke A. A. Ünal S. Valencia M. Dunst J. Braun H. Ebert J. Minár E. Golias L. V. Yashina A. Ney V. Holý O. Rader Nonmagnetic band gap at the Dirac point of the magnetic topological insulator (Bi1−xMnx)2Se3
description	Doping a topological insulator with magnetic impurities is expected to induce ferromagnetism and open a band gap in its surface states. Here, the authors study Mn-doped Bi2Se3, finding a mechanism for band gap opening in topologically-protected surface states which is not of magnetic origin.
format	article
author	J. Sánchez-Barriga A. Varykhalov G. Springholz H. Steiner R. Kirchschlager G. Bauer O. Caha E. Schierle E. Weschke A. A. Ünal S. Valencia M. Dunst J. Braun H. Ebert J. Minár E. Golias L. V. Yashina A. Ney V. Holý O. Rader
author_facet	J. Sánchez-Barriga A. Varykhalov G. Springholz H. Steiner R. Kirchschlager G. Bauer O. Caha E. Schierle E. Weschke A. A. Ünal S. Valencia M. Dunst J. Braun H. Ebert J. Minár E. Golias L. V. Yashina A. Ney V. Holý O. Rader
author_sort	J. Sánchez-Barriga
title	Nonmagnetic band gap at the Dirac point of the magnetic topological insulator (Bi1−xMnx)2Se3
title_short	Nonmagnetic band gap at the Dirac point of the magnetic topological insulator (Bi1−xMnx)2Se3
title_full	Nonmagnetic band gap at the Dirac point of the magnetic topological insulator (Bi1−xMnx)2Se3
title_fullStr	Nonmagnetic band gap at the Dirac point of the magnetic topological insulator (Bi1−xMnx)2Se3
title_full_unstemmed	Nonmagnetic band gap at the Dirac point of the magnetic topological insulator (Bi1−xMnx)2Se3
title_sort	nonmagnetic band gap at the dirac point of the magnetic topological insulator (bi1−xmnx)2se3
publisher	Nature Portfolio
publishDate	2016
url	https://doaj.org/article/bab09ea8531545da888263a8c825ac3d
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Nonmagnetic band gap at the Dirac point of the magnetic topological insulator (Bi1−xMnx)2Se3

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