(a) Within the assumptions of the Drude model, calculate the rms velocity of a valence electron in...
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(a) Within the assumptions of the Drude model, calculate the rms velocity of a valence electron in sodium metal at T = 300 K.
(b) Use a quantum-mechanical model to estimate the Fermi velocity of the free carriers (assume m* = me) in Na given that EF = 3.1 eV.
(c) Which velocity estimate is larger?
(d) Do the two models predict different temperature dependences of the free-carrier velocity?
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Solid State Materials Chemistry
ISBN: 9780521873253
1st Edition
Authors: Patrick M. Woodward, Pavel Karen, John S. O. Evans, Thomas Vogt
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