Synthesis and thermoelectric properties of (Cuy Mo6 Se8)1 - x (Mo4 Ru2 Se8)x alloys

Anneliese M. Schmidt, Michael A. McGuire, Franck Gascoin, G. Jeffrey Snyder, Francis J. DiSalvo*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The Chevrel phase solid solutions (Cuy Mo6 Se8)1 - x (Mo4 Ru2 Se8)x, with nominal y = 2, 4 and x = 0, 0.2, 0.4, 0.6, 0.8, and 1.0 have been investigated in efforts to find improved high temperature thermoelectric materials. The samples were characterized by powder X-ray diffraction, and compositions were measured using quantitative electron microprobe analysis. The resistivity and Seebeck coefficient are reported from room temperature up to approximately 1100 K. From these measurements we estimate the thermoelectric figure of merit ZT, and the most promising compound had Z T ≈ 0.37 at 1000 K.

Original languageEnglish (US)
Pages (from-to)262-268
Number of pages7
JournalJournal of Alloys and Compounds
Volume431
Issue number1-2
DOIs
StatePublished - Apr 4 2007

Keywords

  • Electronic transport
  • Semiconductors
  • X-ray diffraction

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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