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The new ternary phases of La3(Zn0.874Mg0.126)11 and Ce3(Zn0.863Mg0.137)11

Authors
Journal
Acta Crystallographica Section C Crystal Structure Communications
0108-2701
Publisher
International Union of Crystallography
Publication Date
Volume
66
Issue
3
Identifiers
DOI: 10.1107/s0108270110002556
Keywords
  • Inorganic Compounds

Abstract

The La3(Zn0.874Mg0.126)11 and Ce3(Zn0.863Mg0.137)11 inter­metallic compounds are isostructural and crystallize in the ortho­rhom­bic La3Al11 structure type. Compared to the structure of La3Al11, in La3(Zn0.874Mg0.126)11, a significant decrease of 11.9% in the unit-cell b axis and and an increase in the other two directions, of 3.6% along a and 5.2% along c, are observed. Such an atypical deformation is caused by the closer packing of atoms in the unit cell due to atom shifts that reflect strengthening of metallic-type bonding.

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