centered packed 中文意思是什麼
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Xrd reveals a mixture structure of the face - centered cubic and hexagonal close - packed phases. the sn doped makes the electrical conductivity change from insulator to n - type semiconductor
用共蒸發法制備摻錫的c60薄膜，發現摻入的sn原子的薄膜導電性由原來的絕緣體變為n型半導體。
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