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http://hdl.handle.net/10261/122550
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dc.contributor.author | Costache, Marius V. | - |
dc.contributor.author | Neumann, Ingmar | - |
dc.contributor.author | Sierra, Juan F. | - |
dc.contributor.author | Marinova, Vera | - |
dc.contributor.author | Gospodinov, Marin | - |
dc.contributor.author | Roche, Stephan | - |
dc.contributor.author | Valenzuela, Sergio O. | - |
dc.date.accessioned | 2015-09-23T13:31:06Z | - |
dc.date.available | 2015-09-23T13:31:06Z | - |
dc.date.issued | 2014 | - |
dc.identifier | doi: 10.1103/PhysRevLett.112.086601 | - |
dc.identifier | issn: 0031-9007 | - |
dc.identifier | e-issn: 1079-7114 | - |
dc.identifier.citation | Physical Review Letters 112(8): 086601 (2014) | - |
dc.identifier.uri | http://hdl.handle.net/10261/122550 | - |
dc.description | Under the terms of the Creative Commons Attribution License 3.0 (CC-BY). | - |
dc.description.abstract | We report on electric-field and temperature-dependent transport measurements in exfoliated thin crystals of the Bi2Se3 topological insulator. At low temperatures (<50 K) and when the chemical potential lies inside the bulk gap, the crystal resistivity is strongly temperature dependent, reflecting inelastic scattering due to the thermal activation of optical phonons. A linear increase of the current with voltage is obtained up to a threshold value at which current saturation takes place. We show that the activated behavior, the voltage threshold, and the saturation current can all be quantitatively explained by considering a single optical-phonon mode with energy ℏΩ ≈ 8 meV. This phonon mode strongly interacts with the surface states of the material and represents the dominant source of scattering at the surface at high electric fields. © 2014 American Physical Society. | - |
dc.description.sponsorship | We acknowledge the support from the European Research Council (ERC Grant Agreement No. 308023 SPINBOUND), MINECO (MAT2010-18065, MAT2012-33911, and RYC-2011-08319), and AGAUR (Beatriu de Pinós program). | - |
dc.publisher | American Physical Society | - |
dc.relation | info:eu-repo/grantAgreement/EC/FP7/308023 | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.title | Fingerprints of inelastic transport at the surface of the topological insulator Bi2Se3: Role of electron-phonon coupling | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1103/PhysRevLett.112.086601 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1103/PhysRevLett.112.086601 | - |
dc.date.updated | 2015-09-23T13:31:06Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.rights.license | http://creativecommons.org/licenses/by/3.0/ | - |
dc.contributor.funder | European Research Council | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | Generalitat de Catalunya | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000781 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002809 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
Aparece en las colecciones: | (CIN2) Artículos |
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Fingerprints of Inelastic.pdf | 517,27 kB | Adobe PDF | Visualizar/Abrir |
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