Weak-antilocalization and surface dominated transport in topological insulator Bi2Se2Te
We explore the phase coherence of thin films of the topological insulator material Bi2Se2Te grown through pulsed laser deposition (PLD) technique. The films were characterised using various techniques for phase and composition. The films were found to be of good quality. We carried out extensive mag...
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AIP Publishing LLC
2015-04-01
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Series: | AIP Advances |
Online Access: | http://dx.doi.org/10.1063/1.4917455 |
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author | Radha Krishna Gopal Sourabh Singh Ramesh Chandra Chiranjib Mitra |
author_facet | Radha Krishna Gopal Sourabh Singh Ramesh Chandra Chiranjib Mitra |
author_sort | Radha Krishna Gopal |
collection | DOAJ |
description | We explore the phase coherence of thin films of the topological insulator material Bi2Se2Te grown through pulsed laser deposition (PLD) technique. The films were characterised using various techniques for phase and composition. The films were found to be of good quality. We carried out extensive magneto-transport studies of these films and found that they exhibit two dimensional weak antilocalization behaviour. A careful analysis revealed a relatively high phase coherence length (58nm at 1.78K) for a PLD grown film. Since PLD is an inexpensive technique, with the possibility to integrate with other materials, one can make devices which can be extremely useful for low power spintronics and topological quantum computation. |
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institution | Directory Open Access Journal |
issn | 2158-3226 |
language | English |
last_indexed | 2024-12-19T23:26:02Z |
publishDate | 2015-04-01 |
publisher | AIP Publishing LLC |
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spelling | doaj.art-bdd559fe4c6a49198f042b2b65cec7032022-12-21T20:01:52ZengAIP Publishing LLCAIP Advances2158-32262015-04-0154047111047111-1010.1063/1.4917455011504ADVWeak-antilocalization and surface dominated transport in topological insulator Bi2Se2TeRadha Krishna Gopal0Sourabh Singh1Ramesh Chandra2Chiranjib Mitra3Indian Institute of Science Education Research Kolkata Mohanpur- 741246, IndiaIndian Institute of Science Education Research Kolkata Mohanpur- 741246, IndiaIndian Institute of Technology Roorkee, Roorkee-247667, IndiaIndian Institute of Science Education Research Kolkata Mohanpur- 741246, IndiaWe explore the phase coherence of thin films of the topological insulator material Bi2Se2Te grown through pulsed laser deposition (PLD) technique. The films were characterised using various techniques for phase and composition. The films were found to be of good quality. We carried out extensive magneto-transport studies of these films and found that they exhibit two dimensional weak antilocalization behaviour. A careful analysis revealed a relatively high phase coherence length (58nm at 1.78K) for a PLD grown film. Since PLD is an inexpensive technique, with the possibility to integrate with other materials, one can make devices which can be extremely useful for low power spintronics and topological quantum computation.http://dx.doi.org/10.1063/1.4917455 |
spellingShingle | Radha Krishna Gopal Sourabh Singh Ramesh Chandra Chiranjib Mitra Weak-antilocalization and surface dominated transport in topological insulator Bi2Se2Te AIP Advances |
title | Weak-antilocalization and surface dominated transport in topological insulator Bi2Se2Te |
title_full | Weak-antilocalization and surface dominated transport in topological insulator Bi2Se2Te |
title_fullStr | Weak-antilocalization and surface dominated transport in topological insulator Bi2Se2Te |
title_full_unstemmed | Weak-antilocalization and surface dominated transport in topological insulator Bi2Se2Te |
title_short | Weak-antilocalization and surface dominated transport in topological insulator Bi2Se2Te |
title_sort | weak antilocalization and surface dominated transport in topological insulator bi2se2te |
url | http://dx.doi.org/10.1063/1.4917455 |
work_keys_str_mv | AT radhakrishnagopal weakantilocalizationandsurfacedominatedtransportintopologicalinsulatorbi2se2te AT sourabhsingh weakantilocalizationandsurfacedominatedtransportintopologicalinsulatorbi2se2te AT rameshchandra weakantilocalizationandsurfacedominatedtransportintopologicalinsulatorbi2se2te AT chiranjibmitra weakantilocalizationandsurfacedominatedtransportintopologicalinsulatorbi2se2te |