Crystal structure of rhombohedral λ-AlFeSi

Kazumasa Sugiyama, Nobutaka Kaji, Kenji Hiraga

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The structure of a rhombohedral λ-AlFeSi phase was determined by means of the single crystal X-ray structural analysis: space group R3̄ (no. 148), a = 10.222(2) Å, c = 19.668(2) Å, V = 1779.8(5) Å 3, atoms/cell = 123, F(0 0 0) = 1950, Dcalc = 3.802 Mg m-3, R(F) = 0.0226 for observed 1517 reflections measured by Mo Kα radiation (λ = 0.71073Å). Coordination polyhedra of three Fe sites show features similar to those in α- and β-AlFeSi structures. The ordering model for Si is also suggested.

Original languageEnglish
Pages (from-to)251-255
Number of pages5
JournalJournal of Alloys and Compounds
Volume368
Issue number1-2
DOIs
Publication statusPublished - 2004 Apr 14
Externally publishedYes

Keywords

  • Crystal structure
  • Rhombohedral-AlFeSi
  • X-ray diffraction

ASJC Scopus subject areas

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

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