TY - GEN
T1 - Brillouin scattering in liquid sulfur dioxide: Relaxational behaviour
AU - Musso, Maurizio
AU - Aliotta, Francesco
AU - Vasi, Cirino
AU - Aschauer, R
AU - Asenbaum, Augustinus
AU - Wilhelm, Emmerich
N1 -
19.06.2008: Datenanforderung 2324 (kein Statusverlauf, kein Scopus)
09.02.2010: Datenanforderung UNIVIS-DATEN-DAT.RA-2 (Import Sachbearbeiter)
PY - 2004
Y1 - 2004
N2 - The frequency dependence of hypersonic absorption and the dispersion of hypersonic speed in liquid sulfur dioxide (SO2) were determined at (293.75‘0.30) K and at (284.65‘0.30) K by Brillouin spectroscopy. The results are used to experimentally establish the second relaxation step in the double vibrational relaxation of these quantities in the liquid phase, which was first conjectured by R. Bass and J. Lamb, Proc. R. Soc. Ser. A (1958) 243, 94. This second relaxation takes place at approximately 1.5 GHz for both temperatures within experimental error, whereas the first relaxation step, previously determined by ultrasonic spectroscopy, takes place at approximately 23 MHz. In the course of this investigation, some evidence was found that for the temperatures considered the shear viscosity relaxes in the hypersonic frequency range. © 2003 Elsevier B.V. All rights reserved.
AB - The frequency dependence of hypersonic absorption and the dispersion of hypersonic speed in liquid sulfur dioxide (SO2) were determined at (293.75‘0.30) K and at (284.65‘0.30) K by Brillouin spectroscopy. The results are used to experimentally establish the second relaxation step in the double vibrational relaxation of these quantities in the liquid phase, which was first conjectured by R. Bass and J. Lamb, Proc. R. Soc. Ser. A (1958) 243, 94. This second relaxation takes place at approximately 1.5 GHz for both temperatures within experimental error, whereas the first relaxation step, previously determined by ultrasonic spectroscopy, takes place at approximately 23 MHz. In the course of this investigation, some evidence was found that for the temperatures considered the shear viscosity relaxes in the hypersonic frequency range. © 2003 Elsevier B.V. All rights reserved.
U2 - 10.1016/j.molliq.2003.08.015
DO - 10.1016/j.molliq.2003.08.015
M3 - Contribution to proceedings
SN - 1-402-01847-9
T3 - Journal of Molecular Liquids
SP - 33
EP - 41
BT - Novel Approaches to the Structure and Dynamics of Liquids
A2 - Samios, Jannis
PB - Springer Netherlands
CY - Berlin
ER -