(a) Show that for the diamond structure the Fourier component Ug if the crystal potential seen by...
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(a) Show that for the diamond structure the Fourier component Ug if the crystal potential seen by an electron is equal to zero for G=2A, where A is a basis vector in the reciprocal lattice referred to the conventional cubic cell. (a) Show that in the usual first-order approximation to solutions of the wave equation in a periodic lattice the energy gap vanishes at the zone boundary plane normal to the end of the vector A.
Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
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