Enhanced thermoelectric power in ultrathin topological insulators with magnetic doping
KAUST DepartmentPhysical Sciences and Engineering (PSE) Division
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AbstractWe 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.
CitationEnhanced thermoelectric power in ultrathin topological insulators with magnetic doping 2014, 116 (9):093708 Journal of Applied Physics
JournalJournal of Applied Physics