Epitaxial CrN Thin Films with High Thermoelectric Figure of Merit

Camilo X. Quintela, Jacob P. Podkaminer, Maria N. Luckyanova, Tula R. Paudel, Eric L. Thies, Daniel A. Hillsberry, Dmitri A. Tenne, Evgeny Y. Tsymbal, Gang Chen, Chang Beom Eom, Francisco Rivadulla

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Abstract

A large enhancement of the thermoelectric figure of merit is reported in single-crystalline films of CrN. The mechanism of the reduction of the lattice thermal conductivity in cubic CrN is similar to the resonant bonding in IV-VI compounds. Therefore, useful ideas from classic thermoelectrics can be applied to tune functionalities in transition metal nitrides and oxides.

Original languageAmerican English
Pages (from-to)3032-3037
Number of pages6
JournalAdvanced Materials
Volume27
Issue number19
DOIs
StatePublished - 20 May 2015

Keywords

  • CrN
  • lattice instabilities
  • thermal conductivity
  • thermoelectrics
  • thin films

EGS Disciplines

  • Physics

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