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Quantum coherent transport in SnTe topological crystalline insulator thin films
Topological crystalline insulators (TCI) are unique systems where a band inversion that is protected by crystalline mirror symmetry leads to a multiplicity of topological surface states. Binary SnTe is an attractive lead-free TCI compound; the present work on high-quality thin films provides a route...
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| Published in: | Applied physics letters 2014-09, Vol.105 (10) |
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| Main Authors: | , , , , , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c351t-b953476b79c1399baedbbdf1a33469029358872f908465bcbf7b39f08fc966073 |
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| cites | cdi_FETCH-LOGICAL-c351t-b953476b79c1399baedbbdf1a33469029358872f908465bcbf7b39f08fc966073 |
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| container_issue | 10 |
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| container_title | Applied physics letters |
| container_volume | 105 |
| creator | Assaf, B. A. Katmis, F. Wei, P. Satpati, B. Zhang, Z. Bennett, S. P. Harris, V. G. Moodera, J. S. Heiman, D. |
| description | Topological crystalline insulators (TCI) are unique systems where a band inversion that is protected by crystalline mirror symmetry leads to a multiplicity of topological surface states. Binary SnTe is an attractive lead-free TCI compound; the present work on high-quality thin films provides a route for increasing the mobility and reducing the carrier density of SnTe without chemical doping. Results of quantum coherent magnetotransport measurements reveal a multiplicity of Dirac surface states that are unique to TCI. Modeling of the weak antilocalization shows variations in the extracted number of carrier valleys that reflect the role of coherent intervalley scattering in coupling different Dirac states on the degenerate TCI surface. |
| doi_str_mv | 10.1063/1.4895456 |
| format | article |
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A. ; Katmis, F. ; Wei, P. ; Satpati, B. ; Zhang, Z. ; Bennett, S. P. ; Harris, V. G. ; Moodera, J. S. ; Heiman, D.</creator><creatorcontrib>Assaf, B. A. ; Katmis, F. ; Wei, P. ; Satpati, B. ; Zhang, Z. ; Bennett, S. P. ; Harris, V. G. ; Moodera, J. S. ; Heiman, D.</creatorcontrib><description>Topological crystalline insulators (TCI) are unique systems where a band inversion that is protected by crystalline mirror symmetry leads to a multiplicity of topological surface states. Binary SnTe is an attractive lead-free TCI compound; the present work on high-quality thin films provides a route for increasing the mobility and reducing the carrier density of SnTe without chemical doping. Results of quantum coherent magnetotransport measurements reveal a multiplicity of Dirac surface states that are unique to TCI. 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| ispartof | Applied physics letters, 2014-09, Vol.105 (10) |
| issn | 0003-6951 1077-3118 |
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| recordid | cdi_osti_scitechconnect_22310830 |
| source | American Institute of Physics (AIP) Publications; American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list) |
| subjects | Applied physics CARRIER DENSITY CARRIER MOBILITY CARRIERS Coherent scattering CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY COUPLING Crystal structure Crystallinity Insulators Lead free MIRRORS MULTIPLICITY Organic chemistry Protective coatings SCATTERING SIMULATION SURFACES SYMMETRY THIN FILMS TIN TELLURIDES TOPOLOGY |
| title | Quantum coherent transport in SnTe topological crystalline insulator thin films |
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