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Titolo:
Dynamic scaling in the ultrasonic attenuation spectra of critical binary mixtures
Autore:
Mirzaev, SZ; Kaatze, U;
Indirizzi:
Univ Gottingen, Drittes Phys Inst, D-37073 Gottingen, Germany Univ Gottingen Gottingen Germany D-37073 nst, D-37073 Gottingen, Germany Uzbek Acad Sci, Heat Phys Dept, Tashkent 700135, Uzbekistan Uzbek Acad Sci Tashkent Uzbekistan 700135 t, Tashkent 700135, Uzbekistan
Titolo Testata:
CHEMICAL PHYSICS LETTERS
fascicolo: 3, volume: 328, anno: 2000,
pagine: 277 - 282
SICI:
0009-2614(20000929)328:3<277:DSITUA>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
CRITICAL-POINT; IONIC FLUIDS; NONCRITICAL COMPOSITION; ANILINE-CYCLOHEXANE; CRITICAL EXPONENT; LIGHT-SCATTERING; LIQUID; ABSORPTION; CROSSOVER; BEHAVIOR;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
29
Recensione:
Indirizzi per estratti:
Indirizzo: Kaatze, U Univ Gottingen, Drittes Phys Inst, Burgerstr 42-44, D-37073 Gottingen, Germany Univ Gottingen Burgerstr 42-44 Gottingen Germany D-37073 ermany
Citazione:
S.Z. Mirzaev e U. Kaatze, "Dynamic scaling in the ultrasonic attenuation spectra of critical binary mixtures", CHEM P LETT, 328(3), 2000, pp. 277-282

Abstract

A broadband (30 kHz to 3 GHz) ultrasonic spectrum for the aniline/cyclohexane mixture of critical composition is reported to show that, in addition to the critical contribution and the asymptotic high frequency contribution,there exist three further contributions to the attenuation coefficient. These additional contributions tend to mask the critical part in the spectrum. Here we calculate the critical contribution from the Bhattacharjee-Ferrell dynamic scaling model in order to enhance the significance in the determination of the relaxation terms with discrete relaxation times. (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 04/04/20 alle ore 15:09:07