# Answer to Question #51564 in Solid State Physics for JUGNU

Question #51564

In a one dimensional diatomic crystal, the velocity of sound is 1500 m/s and the lattice

constant 4.0Å. The relationship between the mass of the atoms is M/m = 0.8. Calculate

the gap in the frequency at the Brillouin zone boundary.

constant 4.0Å. The relationship between the mass of the atoms is M/m = 0.8. Calculate

the gap in the frequency at the Brillouin zone boundary.

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