Crystal structures and phase stability in pseudobinary CaAl2-xZnx

Karin Söderberg, Magnus Boström, Yoshiki Kubota, Takeshi Nishimatsu, Rainer Niewa, Ulrich Häussermann, Yuri Grin, Osamu Terasaki

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Samples in the pseudobinary system CaAl2-xZnx (0 ≤ x ≤ 2) were synthesised from the elements. Three different structure types, the C15 and C36 Laves phase structures and the KHg2 (CeCu2) structure, were observed. The structures and homogeneity ranges of the underlying phases were investigated by electron microscopy and thermal analysis as well as X-ray powder diffraction. The stability ranges for the different structure types were found to be 0 ≤ x ≤ 0.18, 0.28 ≤ x ≤ 0.68 and 0.93 ≤ x ≤ 2 for the C15, C36 and KHg2 structure types, respectively.

Original languageEnglish
Pages (from-to)2690-2697
Number of pages8
JournalJournal of Solid State Chemistry
Volume179
Issue number8
DOIs
Publication statusPublished - 2006 Aug

Keywords

  • Intermetallic compounds
  • Laves phases
  • Pseudobinary systems phase diagrams
  • Structural stability

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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