High-temperature thermoelectric properties of delafossite oxide CuRh 1-xMgxO2

H. Kuriyama, M. Nohara, T. Sasagawa, K. Takubo, T. Mizokawa, K. Kimura, H. Takagi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)

Abstract

We report high temperature thermoelectric properties of doped delafossite oxide CuRh0.9Mg0.1O2. The parent compound CuRhO2 is a band insulator and becomes metallic upon Mg doping for Rh. We found that polycrystalline CuRh0.9Mg0.1O 2 shows a large thermoelectric power S ∼ +270 μV/K despite its low resistivity ∼ 6 mΩcm at high temperatures around 1000 K. Combining these with a thermal conductivity κ ∼ 80 mW/cm K, we estimate a large dimensionless figure of merit ZT ∼ 0.15 at 1000 K.

Original languageEnglish
Title of host publicationProceedings ICT'06 - 25th International Conference on Thermoelectrics
Pages97-98
Number of pages2
DOIs
Publication statusPublished - 2006 Dec 1
Externally publishedYes
EventICT'06 - 25th International Conference on Thermoelectrics - Vienna, Austria
Duration: 2006 Aug 62006 Aug 10

Publication series

NameInternational Conference on Thermoelectrics, ICT, Proceedings

Other

OtherICT'06 - 25th International Conference on Thermoelectrics
CountryAustria
CityVienna
Period06/8/606/8/10

ASJC Scopus subject areas

  • Engineering(all)

Fingerprint Dive into the research topics of 'High-temperature thermoelectric properties of delafossite oxide CuRh <sub>1-x</sub>Mg<sub>x</sub>O<sub>2</sub>'. Together they form a unique fingerprint.

Cite this