Enhanced thermoelectric power in ultrathin topological insulators with magnetic doping

Muhammad Tahir, Aurelien Manchon, Udo Schwingenschlögl

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We derive analytical expressions for the magnetic moment and orbital magnetization as well as for the corresponding thermal conductivity and thermoelectric power of a topological insulator film. We demonstrate enhancement of the thermoelectric transport for decreasing film thickness and for application of an exchange field due to the tunable band gap. Combining hybridization and exchange field is particularly suitable for heat to electric energy conversion and thermoelectric cooling.
Original languageEnglish (US)
Pages (from-to)093708
JournalJournal of Applied Physics
Volume116
Issue number9
DOIs
StatePublished - Sep 7 2014

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