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Q24. the dispersion relation for electrons in an f.c.c. crystal is given, in the tight binding approximation, by k,a k_a k_a ek)=-46, cos-c
Q24. The dispersion relation for electrons in an f.c.c. crystal is given, in the tight binding approximation, by k,a k_a k_a ek)=-46, cos-cos + coscos +coscos 2 2 2 2 2 where a is the lattice constant and 6, is a constant with the dimension of energy. The x component of the velocity of the electron at,0,0 is (a) -26,alh (b) 26,alh (c) -46,a /h (d) 46,a/h HNo 40-D Ground Elaar lio CavaiN
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Ravi bhushan![best-answer]()
Here is the detailed solution. Option d is the correct answer.
I am unable to understand your writing sir
It is a simple differential with respect to Kx. Then put the value. You will get your answer.