Question: In simple cubic crystal E versus krelation is given by E(k)= Eo-a-4p [cos (ka) + cos (ka) + cos (k.a)] The difference between maximum

In simple cubic crystal E versus krelation is given by E(k)= Eo-a-4p

In simple cubic crystal E versus krelation is given by E(k)= Eo-a-4p [cos (ka) + cos (ka) + cos (k.a)] The difference between maximum and minimum energy is O 12 B -12 +12 024 B

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