Consider an electron moving along a-1-dimensional lattice with nearest-neighbor matrix elements V = 5 meV and a lattice constant of 2 angstroms. At room temperature the mobility is 1 cm2=Vs. What is the RMS velocity and what is the mean free-path? Is this consistent with band or hopping transport?

Consider an electron moving along a-1-dimensional lattice with nearest-neighbor matrix elements V = 5 meV and a lattice constant of 2 angstroms. At room temperature the mobility is 1 cm2=Vs. What is the RMS velocity and what is the mean free-path? Is this consistent with band or hopping transport?

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter14: Rotational And Vibrational Spectroscopy

Section: Chapter Questions

Problem 14.85E

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Question

Consider an electron moving along a-1-dimensional lattice with nearest-neighbor matrix.
elements V = 5 meV and a lattice constant of 2 angstroms. At room temperature-the-
mobility is 1 cm2=Vs. What is the RMS velocity and what is the mean free-path? Is this
consistent with band or hopping transport?

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