Magnetotransport and induced superconductivity in Bi based three‐dimensional topological insulators. Issue 1 (6th December 2012)

• Record Type: Journal Article
• Authors: Veldhorst, M.; Snelder, M.; Hoek, M.; Molenaar, C. G.; Leusink, D. P.; Golubov, A. A.; Hilgenkamp, H.; Brinkman, A.
• Is Part Of: Physica status solidi. Volume 7:Issue 1/2(2013:Jan.)
• Page Start: 26
• Page End: 38
• Publication Date: 2012-12-06
• Subjects: Solid state physics -- Periodicals; 530.4105
• DOI: 10.1002/pssr.201206408
• Languages: English
• ISSNs: 1862-6254

Abstract

<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p> <boxed-text content-type="graphic" position="anchor" orientation="portrait"> <graphic position="anchor" mimetype="image" xlink:href="ark:/27927/pgg1v585xqf" orientation="portrait" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" /> </boxed-text> </p> <p>The surface of a three‐dimensional (3D) topological insulator is conducting and the topologically nontrivial nature of the surface states is observed in experiments. It is the aim of this paper to review and analyze experimental observations with respect to the magnetotransport in Bi‐based 3D topological insulators, as well as the superconducting transport properties of hybrid structures consisting of superconductors and these topological insulators. The helical spin‐momentum coupling of the surface state electrons becomes visible in quantum corrections to the conductivity and magnetoresistance oscil‐lations. An analysis will be provided of the reported magnetoresistance, also in the presence of bulk conductivity shunts. Special attention is given to the large and linear magnetoresistance. Superconductivity can be induced in topological superconductors by means of the proximity effect. The induced supercurrents, Josephson effects and current–phase relations will be reviewed. These materials hold great potential in the field of spintronics and the route towards Majorana devices. (© 2013 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)</p> </abstract>