RARE EARTH DISILICIDES
Journal Article
·
· Journal of Physical Chemistry (U.S.)
Disilicides of yttrium and of a number of the heavier rare earth metals were prepared. X-ray diffraction analysis indicates that the yttrium compound is dimorphic, crystallizing in the hexagonal system (AiB/sub 2/ type) at low temperatures and ib the orthorhombic system (distorted form of the tetragonal ThSi/sub 2/ structure) at higher temperatures. Tb and Ho disilicides are orthorhombic while the disilicides of Er, Tm, Yb, and Lu are hexagonal. The composition of the YbSi/sub 2/ phase was investigated by x-ray diffraction methods; within the limits of experimental error, the unit cell contains two silicon atoms for each ytterbium atom, as indicated by the formula. (auth)
- Research Organization:
- Polytechnic Inst. of Brooklyn
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-16-016377
- OSTI ID:
- 4791132
- Journal Information:
- Journal of Physical Chemistry (U.S.), Journal Name: Journal of Physical Chemistry (U.S.) Vol. Vol: 66; ISSN JPCHA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Sat Feb 29 23:00:00 EST 1964
· Soviet Phys.-Cryst. (English Transl.)
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OSTI ID:4038087