ECE215A/Materials206A
Fundamentals of Solids for Electronics
E.R. Brown/Winter 2008
NOTES 8: STATISTICAL MECHANICS OF LATTICE WAVES AND PHONONS Classical Average Energy Analysis of a Single Atom So fa
ECE215A/Materials206A
Fundamentals of Solids for Electronics
E.R. Brown/Winter 2008
NOTES 7: Energy of Lattice Waves and their Quantization (Phonons)
Classical Analysis So far we have addressed only t
ECE215A/Materials206A Winter 2008 Prof. Brown/ECE Dept/UCSB Homework 4 Solutions (first four problems only, for Quiz#1) (1) Energy of lattice wave a) Monotomic linear lattice, mass m, spacing a, neare
ECE215A Winter Quarter 2008 Solutions to HW #4, part 2
4). Acoustical phonons in a two-dim lattice (a) Excluding zero point term, and assuming the two acoustic waves have the same velocity,
U = 2
D
0
ECE215A/Materials206A Winter 2008 Prof. Brown/ECE Dept/UCSB Homework 4
1. Monatomic linear lattice. Consider a longitudinal wave us = u cos ( t - sKa ) which propagates in a monatomic linear lattice o