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- Title
RhCd<sub>9+δ</sub> (−1.18≤δ≤0.29) a γ-brass related cubic giant cell structure.
- Authors
Jana, Partha Pratim
- Abstract
The compound RhCd9+δ (−1.18≤δ≤0.29) has been synthesized and the average structure has been analyzed by single crystal X-ray diffraction. The average structure crystallizes in the face centered cubic space group F4̅3 m (216) and contains ~405 atoms/unit cell. It represents a (2aγ)3-superstructure of cubic γ-brass and is isostructural to Rh7−xMg44+x. The comparison between the structures of RhCd9+δ and Rh7−xMg44+x has been presented using a layer description. The structure of the title phase has also been described by a 'cluster' concept. The electronic structure of RhCd9+δ (−1.18≤δ≤0.29) shows that the phase is stabilized by a Hume-Rothery mechanism.
- Subjects
RHODIUM alloys; CRYSTAL structure; X-ray diffraction; BRASS; ELECTRONIC structure; CRYSTAL growth
- Publication
Zeitschrift für Kristallographie. Crystalline Materials, 2017, Vol 232, Issue 7-9, p611
- ISSN
2194-4946
- Publication type
Article
- DOI
10.1515/zkri-2017-2045