Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
86 (1999), S. 3598-3604
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The results of investigation on the acoustic velocity and acoustic attenuation by ultrasonic technique in the temperature range from 80 to 300 K in lead-vanadate glasses with different compositions have been presented. The temperature variation of these ultrasonic properties has been explained most successfully. The temperature dependence of attenuation can be interpreted in terms of a thermally activated relaxation process while the variation of velocity with temperature is explained by the combined effect of relaxation, anharmonicity, and frozen-in fluctuations causing microscopic inhomogeneity of elasticity in glasses. © 1999 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.371265
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