RARE EARTH METAL "DISILICIDES"
Journal Article
·
· Journal of Physical Chemistry (U.S.)
Disilicides of Ce, Pr, Nd, Sm, Eu, Gd, Dy, and Y have been prepared. The Ce, Pr, and Nd compounds are tetragonal as previously reported; the Sm, Gd, Dy, and Y compounds are orthorhombic, space group Imma. Their structures are slightly distorted versions of the tetragonal MeSi/sub 2/ structure. The magnitude of the distortion appears to increase with decreasing size of the metal atom. Chemical and x-ray diffraction studies of GdSi/sub 2/'' indicate that the composition is actually close to GdSi/sub 1.4. EuSi/sub 2/ crystallizes in the tetragonal system apparently due to the anomalously large size of the metal atom. (auth)
- Research Organization:
- Polytechnic Inst. of Brooklyn
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-13-011643
- OSTI ID:
- 4274892
- Journal Information:
- Journal of Physical Chemistry (U.S.), Journal Name: Journal of Physical Chemistry (U.S.) Vol. Vol: 63; ISSN JPCHA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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