Temperature-induced abrupt volume inflation in the mixed-valence ternary Zintl phase Yb8Ge3Sb5

Serena Margadonna, Kosmas Prassides, Maria Chondroudi, James R. Salvador, Mercouri G. Kanatzidis

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15 Citations (Scopus)

Abstract

The Zintl phase, Yb8Ge3Sb5 exhibits a complex lattice response and an abrupt negative thermal expansion below 15 K - subtle structural changes before and after the transition are consistent with temperature-induced electron transfer from (to) Yb 4f bands to (from) Sb 5p and Ge 4p bands.

Original languageEnglish
Pages (from-to)5754-5756
Number of pages3
JournalChemical Communications
Issue number46
DOIs
Publication statusPublished - Dec 14 2005

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ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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