Back to Search Start Over

Disorder broadening of the acoustic branches in SixGe1−x mixed crystals

Authors :
J. Kulda
E. Rat
René Vacher
H. Casalta
Eric Courtens
Marie Foret
Bernard Hehlen
Ichiro Yonenaga
Source :
Physica B: Condensed Matter. :429-430
Publication Year :
2000
Publisher :
Elsevier BV, 2000.

Abstract

Inelastic neutron scattering has been used to study the vibrational excitations of SixGe1−x crystals. Measurements on time-of-flight and triple-axis spectrometers are reported. Local and resonant modes are observed. A strong broadening at high wave vectors is found for some TA-modes.

Details

ISSN :
09214526
Database :
OpenAIRE
Journal :
Physica B: Condensed Matter
Accession number :
edsair.doi...........f3c88da184360174276b5e97dbe07468
Full Text :
https://doi.org/10.1016/s0921-4526(99)01642-7