How are metals used as semiconductors refined ? What is the principle – InterviewSolution

1.	How are metals used as semiconductors refined ? What is the principle of the method used like germinum, silicon etc.?
Answer» Solution :GE, Si, B, In ETC. are REFINED by Zone refining METHOD. The method is BASED on principle that impurities are more soluble in molten state of the metal than in the solid state.

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