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

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Τίτλος: Observation of Landau Level-Dependent Aharonov-Bohm-Like Oscillations in a Topological Insulator.
Συγγραφείς: 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.
Πηγή: Nanoscale Research Letters; 8/26/2020, Vol. 15 Issue 1, pN.PAG-N.PAG, 1p
Θεματικοί όροι: Topological insulators, Oscillations, Square root
Περίληψη: We study the quantum oscillations in the BiSbTe3 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. [ABSTRACT FROM AUTHOR]
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  Data: Observation of Landau Level-Dependent Aharonov-Bohm-Like Oscillations in a Topological Insulator.
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  Data: <searchLink fieldCode="AR" term="%22Huang%2C+Shiu-Ming%22">Huang, Shiu-Ming</searchLink><br /><searchLink fieldCode="AR" term="%22Lin%2C+Chien%22">Lin, Chien</searchLink><br /><searchLink fieldCode="AR" term="%22You%2C+Sheng-Yu%22">You, Sheng-Yu</searchLink><br /><searchLink fieldCode="AR" term="%22Chen%2C+Pin-Cyuan%22">Chen, Pin-Cyuan</searchLink><br /><searchLink fieldCode="AR" term="%22Hong%2C+Jai-Long%22">Hong, Jai-Long</searchLink><br /><searchLink fieldCode="AR" term="%22Wong%2C+Jyun-Fong%22">Wong, Jyun-Fong</searchLink><br /><searchLink fieldCode="AR" term="%22Yan%2C+You-Jhih%22">Yan, You-Jhih</searchLink><br /><searchLink fieldCode="AR" term="%22Yu%2C+Shih-Hsun%22">Yu, Shih-Hsun</searchLink><br /><searchLink fieldCode="AR" term="%22Chou%2C+Mitch+M%2E+C%2E%22">Chou, Mitch M. C.</searchLink>
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  Data: Nanoscale Research Letters; 8/26/2020, Vol. 15 Issue 1, pN.PAG-N.PAG, 1p
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  Data: <searchLink fieldCode="DE" term="%22Topological+insulators%22">Topological insulators</searchLink><br /><searchLink fieldCode="DE" term="%22Oscillations%22">Oscillations</searchLink><br /><searchLink fieldCode="DE" term="%22Square+root%22">Square root</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: We study the quantum oscillations in the BiSbTe<subscript>3</subscript> 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. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of Nanoscale Research Letters is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1186/s11671-020-03389-8
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