Precipitate identification in co-doped InP

The nature of precipitates found in Co-doped single crystals of InP grown by the LEC method has been investigated using scanning electron microscopy (both secondary and back scattered electrons and energy dispersive X-ray analysis (EDAX)) and Debye–Scherrer X-ray diffraction. Two phases have been de...

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Bibliographic Details
Published in:Journal of crystal growth 1983-11, Vol.64 (1), p.115-120
Main Authors: Harris, I.R., Smith, N.A., Cockayne, B., MacEwan, W.R.
Format: Article
Language:English
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Summary:The nature of precipitates found in Co-doped single crystals of InP grown by the LEC method has been investigated using scanning electron microscopy (both secondary and back scattered electrons and energy dispersive X-ray analysis (EDAX)) and Debye–Scherrer X-ray diffraction. Two phases have been detected. One has been positively identified as the cubic CoP 3 phase and was found to exist in two distinct morphologies, as cuboids at and near to the surface of the crystal and as fine rods in a eutectic CoP 3-InP mixture within the bulk of the crystal. in some crystals another phase has been observed which is also a cobalt phosphide but significantly more Co-rich than CoP 3. Thus far, the crystal structure of this phase has not been identified.
ISSN:0022-0248
1873-5002
DOI:10.1016/0022-0248(83)90257-9