Jayasree Asked a Question
February 8, 2022 5:09 pmpts 30 pts
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 thankyou
    Here is the detailed solution. Option d is the correct answer.
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    Jayasree
    I am unable to understand your writing sir