The structure and electrical properties of Nb8PtSe20

Steven A. Sunshine*, James A. Ibers

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The new layered ternary chalcogenide Nb8PtSe20 has been synthesized and structurally characterized. This compound crystallizes in the monoclinic system in space group C32hC2 m with cell dimensions a = 20.096(12), b = 3.433(2), c = 19.289(11), Å, and β = 107.1(5)°. This structure contains four unique Nb atoms, two in trigonal prismatic environments, one in a monocapped trigonal prismatic site, and one in a bicapped trigonal prism of Se atoms. The bicapped trigonal prism contains an SeSe bond (d = 2.36(2), Å). The Pt atoms exhibit square-planar coordination. Electrical conductivity measurements over the temperature range 110-300 K indicate that this material is a metal (σRT = 1.5 × 103 Ω-1, cm-1).

Original languageEnglish (US)
Pages (from-to)29-33
Number of pages5
JournalJournal of Solid State Chemistry
Volume71
Issue number1
DOIs
StatePublished - Nov 1987

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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