Synthesis and characterisation of the anion-ordered tellurides MGeTe (M = Co, Rh)

Paz Vaqueiro, Gerard G. Sobany, Fabien Guinet, Patricia Leyva-Bailen

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The synthesis and structural characterisation, carried out using a combination of single-crystal and powder X-ray diffraction, of the materials MGeTe (M = Co, Rh) are described. These phases adopt an ordered a-NiAs2 structure, which can be considered intermediate between those of pyrite and marcasite. Electrical resistivity and Seebeck coefficient measurements, carried out over the temperature range 77 = T/K = 325, indicate that these materials are n-type semiconductors. © 2009 Elsevier Masson SAS. All rights reserved.

Original languageEnglish
Pages (from-to)1077-1082
Number of pages6
JournalSolid State Sciences
Volume11
Issue number6
DOIs
Publication statusPublished - Jun 2009

Keywords

  • Crystal structure
  • Pararammelsbergite
  • Thermoelectric properties
  • Transition-metal tellurides

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