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Temperature Dependence of the Grüneisen Constant of Si and Ge
Author(s) -
Soma T.
Publication year - 1977
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220820136
Subject(s) - phonon , condensed matter physics , perturbation (astronomy) , materials science , constant (computer programming) , perturbation theory (quantum mechanics) , thermodynamics , order (exchange) , physics , quantum mechanics , computer science , programming language , finance , economics
The Grüneisen parameters of the individual modes of phonons and the mean Grüneisen parameters are obtained for Si and Ge in the higher‐order perturbation method. Calculations are made for normal modes propagating in the [l00]‐, [110]‐ and [111] Indirections.