Crystal structure of YGe3, YGe1.9 and a novel Y3Ge4 compound

The crystal structure of the known YGe3 (`YGe3.5') and YGe1.9 (`YGe2') compounds and the novel Y3Ge4 compound have been studied by X-ray powder diffraction. It was found that crystal structure of YGe3 belongs to the DyGe3-type structure (a=4.0490(8) Å, b=20.779(3) Å, c=3.9184(8) Å), YGe1.9...

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Bibliographic Details
Published in:Journal of alloys and compounds 1999-02, Vol.283 (1-2), p.162-168
Main Authors: Belyavina, N.M, Markiv, V.Ya, Speka, M.V
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Crystal structure
Exact sciences and technology
Hydrides, borides, nitrides, etc., and metalloidal compounds
Inorganic compounds
Physics
Structure of solids and liquids
crystallography
Structure of specific crystalline solids
X-ray powder diffraction
Y–Ge system
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Summary:The crystal structure of the known YGe3 (`YGe3.5') and YGe1.9 (`YGe2') compounds and the novel Y3Ge4 compound have been studied by X-ray powder diffraction. It was found that crystal structure of YGe3 belongs to the DyGe3-type structure (a=4.0490(8) Å, b=20.779(3) Å, c=3.9184(8) Å), YGe1.9 to the DyGe1.9-type structure (a=4.106(1) Å, b=29.986(6) Å, c=3.995(8) Å) and Y3Ge4 to the Er3Ge4-type structure (a=4.052(1) Å, b=10.649(2) Å, c=14.265(3) Å).
ISSN:0925-8388
1873-4669
DOI:10.1016/S0925-8388(98)00858-5