EBK PHYSICS FOR SCIENTISTS & ENGINEERS
EBK PHYSICS FOR SCIENTISTS & ENGINEERS
5th Edition
ISBN: 9780134296074
Author: GIANCOLI
Publisher: VST
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Chapter 40, Problem 40P
To determine

Prove that the number of states per unit energy interval for an electrons as 8ml2h2E.

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(a) For indium phosphide (InP) at room temperature, calculate the electron and hole mobilities for the following cases : For intrinsic InP, the electrical conductivity, the number of electrons per cubic meter and the number of holes per cubic meter are 2.5 x 10-6 (22m)¹, 3× 10¹3 m -3 and 3 x 1013 m3, respectively. Similarly, for n-type extrinsic InP, the electrical conductivity, the number of electrons per cubic meter and the number of cubic meter holes per 3-6x 10-6 (2m), 4.5 × 10¹3-3 2 x 10¹3 m³, respectively. are and
(c) For a monatomic perfect gas with a non-degenerate electronic ground state show that at room temperature (ɛ) = 3kT/2. State any assumptions that you make.
(b) If a monoatomic one dimensional solid of length L consists of 5 atoms, calculate the maximum allowed value of q (maximum valid value of q). Draw the dispersion curve and label the valid states. Calculate the allowable value of frequency, w closest to the boundary of Brillouin zone in terms of the maximum frequency, wmax-
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