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Structures of NiCd6+delta (-0.32

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Author

Summary, in English

The crystal structures of the binary cadmium-rich complex metal alloys NiCd6+delta (-0.32 <= delta <= 0.35) and NiCd1+delta (0 <= d <= 0.05) were studied by means of single crystal X-ray diffraction. The partitioning of the NiCd6+delta structure into clusters grouped around all 16 high symmetry points of the face centered cubic cell leads to the identification of two partial structures forming replicas of two disjointed, interpenetrating, zinc blende-type nets. In one partial structure the nodes are NiTi2-type Ni4Cd18 and bcc-type NiCd26 clusters. This substructure is ordered and compositionally more or less invariant in the whole homogeneity range with the fixed composition Ni5Cd44. The complementary substructure varies in composition and exhibits vacancy, substitutional and positional disorders. The structure of NiCd1+delta (0 <= d <= 0.05) can be described by a 34-atom Ti2Ni-type cluster.

Publishing year

2013

Language

English

Pages

745-753

Publication/Series

CrystEngComm

Volume

15

Issue

4

Document type

Journal article

Publisher

Royal Society of Chemistry

Topic

  • Chemical Sciences

Status

Published

ISBN/ISSN/Other

  • ISSN: 1466-8033