Abstract
This paper reports the effects of cooling rate on the crystallization process, properties and structure of amorphous selenium by means of differential scanning calometer (DSC), X-ray diffractometry andpositron annihilation techniques. The experimental results show that the crystallization temperature, the formation of the metastable phase during the crystallization process, the crystallization activation energy and the structure of as-quenched amorphous selenium are controlled by the cooling rate.
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