Tetrahedral holes, In zinc blende structure , zinc atom fill up: (a) All octahedral

Tetrahedral holes

In zinc blende structure, zinc atom fill up:
(a) All octahedral holes (b) All tetrahedral holes (c) Half number of octahedral holes (d) Half number of tetrahedral holes

Answer: (d) In zinc blende (ZnS) half number of tetrahedral holes are filled by zinc atoms.

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