1. The energy of an electron in the valence band of a semiconductor is described by E = - Ak? where the value of A is 10-37 J m2, with E in J and k in m=1. When an electron is removed from the state k = 10°k, m-1, calculate: (a) the effective mass; (b) the momentum; (c) and the velocity of the resultant hole.

1. The energy of an electron in the valence band of a semiconductor is described by E = - Ak? where the value of A is 10-37 J m2, with E in J and k in m=1. When an electron is removed from the state k = 10°k, m-1, calculate: (a) the effective mass; (b) the momentum; (c) and the velocity of the resultant hole.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

1. The energy of an electron in the valence band of a semiconductor is described
by
E = - Ak?
where the value of A is 10-37 J m2, with E in J and k in m-1. When an electron
is removed from the state k = 10°k, m-1,
calculate:
(a) the effective mass;
(b) the momentum;
(c) and the velocity
of the resultant hole.

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