Weak Antilocalization and Anisotropic Magnetoresistance as a Probe of Surface States in Topological Bi2TexSe3−x Thin Films

Abstract Topological materials, such as the quintessential topological insulators in the Bi2X3 family (X = O, S, Se, Te), are extremely promising for beyond Moore’s Law computing applications where alternative state variables and energy efficiency are prized. It is essential to understand how the to...

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Autores principales:	Gregory M. Stephen, Owen. A. Vail, Jiwei Lu, William A. Beck, Patrick J. Taylor, Adam L. Friedman
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9f19ef1a608f4ff8a3f8d91f381a50d6
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spelling	oai:doaj.org-article:9f19ef1a608f4ff8a3f8d91f381a50d62021-12-02T16:31:18ZWeak Antilocalization and Anisotropic Magnetoresistance as a Probe of Surface States in Topological Bi2TexSe3−x Thin Films10.1038/s41598-020-61672-12045-2322https://doaj.org/article/9f19ef1a608f4ff8a3f8d91f381a50d62020-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-61672-1https://doaj.org/toc/2045-2322Abstract Topological materials, such as the quintessential topological insulators in the Bi2X3 family (X = O, S, Se, Te), are extremely promising for beyond Moore’s Law computing applications where alternative state variables and energy efficiency are prized. It is essential to understand how the topological nature of these materials changes with growth conditions and, more specifically, chalcogen content. In this study, we investigate the evolution of the magnetoresistance of Bi2TexSe3−x for varying chalcogen ratios and constant growth conditions as a function of both temperature and angle of applied field. The contribution of 2D and 3D weak antilocalization are investigated by utilizing the Tkachov-Hankiewicz model and Hakami-Larkin-Nagaoka models of magnetoconductance.Gregory M. StephenOwen. A. VailJiwei LuWilliam A. BeckPatrick J. TaylorAdam L. FriedmanNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-7 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Gregory M. Stephen Owen. A. Vail Jiwei Lu William A. Beck Patrick J. Taylor Adam L. Friedman Weak Antilocalization and Anisotropic Magnetoresistance as a Probe of Surface States in Topological Bi2TexSe3−x Thin Films
description	Abstract Topological materials, such as the quintessential topological insulators in the Bi2X3 family (X = O, S, Se, Te), are extremely promising for beyond Moore’s Law computing applications where alternative state variables and energy efficiency are prized. It is essential to understand how the topological nature of these materials changes with growth conditions and, more specifically, chalcogen content. In this study, we investigate the evolution of the magnetoresistance of Bi2TexSe3−x for varying chalcogen ratios and constant growth conditions as a function of both temperature and angle of applied field. The contribution of 2D and 3D weak antilocalization are investigated by utilizing the Tkachov-Hankiewicz model and Hakami-Larkin-Nagaoka models of magnetoconductance.
format	article
author	Gregory M. Stephen Owen. A. Vail Jiwei Lu William A. Beck Patrick J. Taylor Adam L. Friedman
author_facet	Gregory M. Stephen Owen. A. Vail Jiwei Lu William A. Beck Patrick J. Taylor Adam L. Friedman
author_sort	Gregory M. Stephen
title	Weak Antilocalization and Anisotropic Magnetoresistance as a Probe of Surface States in Topological Bi2TexSe3−x Thin Films
title_short	Weak Antilocalization and Anisotropic Magnetoresistance as a Probe of Surface States in Topological Bi2TexSe3−x Thin Films
title_full	Weak Antilocalization and Anisotropic Magnetoresistance as a Probe of Surface States in Topological Bi2TexSe3−x Thin Films
title_fullStr	Weak Antilocalization and Anisotropic Magnetoresistance as a Probe of Surface States in Topological Bi2TexSe3−x Thin Films
title_full_unstemmed	Weak Antilocalization and Anisotropic Magnetoresistance as a Probe of Surface States in Topological Bi2TexSe3−x Thin Films
title_sort	weak antilocalization and anisotropic magnetoresistance as a probe of surface states in topological bi2texse3−x thin films
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/9f19ef1a608f4ff8a3f8d91f381a50d6
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Weak Antilocalization and Anisotropic Magnetoresistance as a Probe of Surface States in Topological Bi2TexSe3−x Thin Films

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