Calculation of Anharmonic Coupling Constants between Phonon Modes in GaAs

• Authors: B. Kolad , A. Musiał , P. Machnikowski
• Languages of publication: EN

Abstracts

EN

We derive third-order anharmonic coupling constants between various phonon modes in a zinc-blende crystal of a binary compound using a valence force field model extended by adding Coulomb interactions between polarizable ions. We find and compare the anharmonic coupling between the zone-center LO phonon and other phonon modes along principal directions of a GaAs crystal.

Keywords

EN

63.20.kg; 63.20.dh

Discipline

• 63.20.kg: Phonon-phonon interactions
• 63.20.dh: Fitted theory

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2008
• Volume: 114
• Issue: 5
• Pages: 1167-1172

Dates

published

2008-11

received

2008-06-07

Contributors

author

B. Kolad

• Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

author

A. Musiał

• Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

author

P. Machnikowski

• Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

References

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Identifiers

DOI

10.12693/APhysPolA.114.1167