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Titolo:
MEAN FREE-PATH OF HIGH-FREQUENCY ACOUSTIC EXCITATIONS IN GLASSES WITHAPPLICATION TO VITREOUS SILICA
Autore:
VACHER R; PELOUS J; COURTENS E;
Indirizzi:
UNIV MONTPELLIER 2,LAB VERRES,UMR 5587 CNRS,PL EUGENE BATAILLON F-34095 MONTPELLIER 5 FRANCE
Titolo Testata:
Physical review. B, Condensed matter
fascicolo: 2, volume: 56, anno: 1997,
pagine: 481 - 484
SICI:
0163-1829(1997)56:2<481:MFOHAE>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
THERMAL-CONDUCTIVITY; BRILLOUIN-SCATTERING; PHONON LOCALIZATION; AMORPHOUS SOLIDS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
37
Recensione:
Indirizzi per estratti:
Citazione:
R. Vacher et al., "MEAN FREE-PATH OF HIGH-FREQUENCY ACOUSTIC EXCITATIONS IN GLASSES WITHAPPLICATION TO VITREOUS SILICA", Physical review. B, Condensed matter, 56(2), 1997, pp. 481-484

Abstract

Direct spectroscopic information on the frequency and temperature dependences of acoustic-phonon damping in vitreous silica is reconsidered. It points to the essential role played by Rayleigh scattering of thephonons, in quantitative agreement with thermal properties at low temperatures. A picture is proposed that consistently unifies thermal properties with all the available spectroscopic results.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/12/20 alle ore 17:17:53