Observation of Landau Level-Dependent Aharonov-Bohm-Like Oscillations in a Topological Insulator

We study the quantum oscillations in the BiSbTe(3) topological insulator. In addition to the Shubnikov-de Haas (SdH) oscillation, the Aharonov-Bohm-like (ABL) oscillations are also observed. The ABL oscillation period is constant at each Landau level (LL) which is determined from the SdH oscillation...

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Autores principales: Huang, Shiu-Ming, Lin, Chien, You, Sheng-Yu, Chen, Pin-Cyuan, Hong, Jai-Long, Wong, Jyun-Fong, Yan, You-Jhih, Yu, Shih-Hsun, Chou, Mitch M. C.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2020
Materias:
Nano Express
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7447688/
https://www.ncbi.nlm.nih.gov/pubmed/32844331
http://dx.doi.org/10.1186/s11671-020-03389-8
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author Huang, Shiu-Ming
Lin, Chien
You, Sheng-Yu
Chen, Pin-Cyuan
Hong, Jai-Long
Wong, Jyun-Fong
Yan, You-Jhih
Yu, Shih-Hsun
Chou, Mitch M. C.
author_facet Huang, Shiu-Ming
Lin, Chien
You, Sheng-Yu
Chen, Pin-Cyuan
Hong, Jai-Long
Wong, Jyun-Fong
Yan, You-Jhih
Yu, Shih-Hsun
Chou, Mitch M. C.
author_sort Huang, Shiu-Ming
collection PubMed
description We study the quantum oscillations in the BiSbTe(3) topological insulator. In addition to the Shubnikov-de Haas (SdH) oscillation, the Aharonov-Bohm-like (ABL) oscillations are also observed. The ABL oscillation period is constant at each Landau level (LL) which is determined from the SdH oscillation. The shorter ABL oscillation periods are observed at lower LLs. The oscillation period is proportional to the square root of the LL at temperatures. The ratio of the ABL oscillation period to the effective mass is weak LL dependence. The LL-dependent ABL oscillation might originate from the LL-dependent effective mass.
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spelling pubmed-74476882020-09-02 Observation of Landau Level-Dependent Aharonov-Bohm-Like Oscillations in a Topological Insulator Huang, Shiu-Ming Lin, Chien You, Sheng-Yu Chen, Pin-Cyuan Hong, Jai-Long Wong, Jyun-Fong Yan, You-Jhih Yu, Shih-Hsun Chou, Mitch M. C. Nanoscale Res Lett Nano Express We study the quantum oscillations in the BiSbTe(3) topological insulator. In addition to the Shubnikov-de Haas (SdH) oscillation, the Aharonov-Bohm-like (ABL) oscillations are also observed. The ABL oscillation period is constant at each Landau level (LL) which is determined from the SdH oscillation. The shorter ABL oscillation periods are observed at lower LLs. The oscillation period is proportional to the square root of the LL at temperatures. The ratio of the ABL oscillation period to the effective mass is weak LL dependence. The LL-dependent ABL oscillation might originate from the LL-dependent effective mass. Springer US 2020-08-26 /pmc/articles/PMC7447688/ /pubmed/32844331 http://dx.doi.org/10.1186/s11671-020-03389-8 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Nano Express
Huang, Shiu-Ming
Lin, Chien
You, Sheng-Yu
Chen, Pin-Cyuan
Hong, Jai-Long
Wong, Jyun-Fong
Yan, You-Jhih
Yu, Shih-Hsun
Chou, Mitch M. C.
Observation of Landau Level-Dependent Aharonov-Bohm-Like Oscillations in a Topological Insulator
title Observation of Landau Level-Dependent Aharonov-Bohm-Like Oscillations in a Topological Insulator
title_full Observation of Landau Level-Dependent Aharonov-Bohm-Like Oscillations in a Topological Insulator
title_fullStr Observation of Landau Level-Dependent Aharonov-Bohm-Like Oscillations in a Topological Insulator
title_full_unstemmed Observation of Landau Level-Dependent Aharonov-Bohm-Like Oscillations in a Topological Insulator
title_short Observation of Landau Level-Dependent Aharonov-Bohm-Like Oscillations in a Topological Insulator
title_sort observation of landau level-dependent aharonov-bohm-like oscillations in a topological insulator
topic Nano Express
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7447688/
https://www.ncbi.nlm.nih.gov/pubmed/32844331
http://dx.doi.org/10.1186/s11671-020-03389-8
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