Logarithmic singularities and quantum oscillations in magnetically doped topological insulators
We report magnetotransport measurements on magnetically doped (Bi,Sb)[subscript 2]Te[subscript 3] films grown by molecular beam epitaxy. In Hall bar devices, we observe logarithmic dependence of transport coefficients in temperature and bias voltage which can be understood to arise from electron-ele...
| Main Authors: | , , , , , , , , , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2018
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| Online Access: | http://hdl.handle.net/1721.1/114806 https://orcid.org/0000-0002-1824-5167 |
| _version_ | 1826199262287888384 |
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| author | Nandi, D. Shain, K. Lee, G. H. Huang, K.-F. Chang, Cui-Zu Ou, Yunbo Lee, S. P. Ward, J. Moodera, J. S. Kim, P. Yacoby, A. Sodemann Villadiego, Inti A. |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Nandi, D. Shain, K. Lee, G. H. Huang, K.-F. Chang, Cui-Zu Ou, Yunbo Lee, S. P. Ward, J. Moodera, J. S. Kim, P. Yacoby, A. Sodemann Villadiego, Inti A. |
| author_sort | Nandi, D. |
| collection | MIT |
| description | We report magnetotransport measurements on magnetically doped (Bi,Sb)[subscript 2]Te[subscript 3] films grown by molecular beam epitaxy. In Hall bar devices, we observe logarithmic dependence of transport coefficients in temperature and bias voltage which can be understood to arise from electron-electron interaction corrections to the conductivity and self-heating. Submicron scale devices exhibit intriguing quantum oscillations at high magnetic fields with dependence on bias voltage. The observed quantum oscillations can be attributed to bulk and surface transport. |
| first_indexed | 2024-09-23T11:17:16Z |
| format | Article |
| id | mit-1721.1/114806 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T11:17:16Z |
| publishDate | 2018 |
| publisher | American Physical Society |
| record_format | dspace |
| spelling | mit-1721.1/1148062022-10-01T02:35:50Z Logarithmic singularities and quantum oscillations in magnetically doped topological insulators Nandi, D. Shain, K. Lee, G. H. Huang, K.-F. Chang, Cui-Zu Ou, Yunbo Lee, S. P. Ward, J. Moodera, J. S. Kim, P. Yacoby, A. Sodemann Villadiego, Inti A. Massachusetts Institute of Technology. Department of Physics Sodemann Villadiego, Inti A. We report magnetotransport measurements on magnetically doped (Bi,Sb)[subscript 2]Te[subscript 3] films grown by molecular beam epitaxy. In Hall bar devices, we observe logarithmic dependence of transport coefficients in temperature and bias voltage which can be understood to arise from electron-electron interaction corrections to the conductivity and self-heating. Submicron scale devices exhibit intriguing quantum oscillations at high magnetic fields with dependence on bias voltage. The observed quantum oscillations can be attributed to bulk and surface transport. 2018-04-19T18:50:57Z 2018-04-19T18:50:57Z 2018-02 2017-12 2018-02-26T18:00:59Z Article http://purl.org/eprint/type/JournalArticle 2469-9950 2469-9969 http://hdl.handle.net/1721.1/114806 Nandi, D. et al. "Logarithmic singularities and quantum oscillations in magnetically doped topological insulators." Physical Review B 97, 8 (February 2018): 085151 © 2018 American Physical Society https://orcid.org/0000-0002-1824-5167 en http://dx.doi.org/10.1103/PhysRevB.97.085151 Physical Review B Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Physical Society American Physical Society |
| spellingShingle | Nandi, D. Shain, K. Lee, G. H. Huang, K.-F. Chang, Cui-Zu Ou, Yunbo Lee, S. P. Ward, J. Moodera, J. S. Kim, P. Yacoby, A. Sodemann Villadiego, Inti A. Logarithmic singularities and quantum oscillations in magnetically doped topological insulators |
| title | Logarithmic singularities and quantum oscillations in magnetically doped topological insulators |
| title_full | Logarithmic singularities and quantum oscillations in magnetically doped topological insulators |
| title_fullStr | Logarithmic singularities and quantum oscillations in magnetically doped topological insulators |
| title_full_unstemmed | Logarithmic singularities and quantum oscillations in magnetically doped topological insulators |
| title_short | Logarithmic singularities and quantum oscillations in magnetically doped topological insulators |
| title_sort | logarithmic singularities and quantum oscillations in magnetically doped topological insulators |
| url | http://hdl.handle.net/1721.1/114806 https://orcid.org/0000-0002-1824-5167 |
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