Artículo
Role of low-frequency vibrations on sound propagation in glasses at intermediate temperature
Autor/es | Criado Vega, Alberto
Jiménez Ruiz, M. Cabrillo, C. Bermejo, F. J. Grimsditch, M. Fischer, H. E. Bennington, S. M. Eccleston, R. S. |
Departamento | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Fecha de publicación | 2000 |
Fecha de depósito | 2017-05-08 |
Publicado en |
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Resumen | We report measurements of the temperature dependence of the sound attenuation and the fractional change in sound velocity for the glass (G) and orientational-glass (OG) phases of polymorphic ethanol. Strikingly similar ... We report measurements of the temperature dependence of the sound attenuation and the fractional change in sound velocity for the glass (G) and orientational-glass (OG) phases of polymorphic ethanol. Strikingly similar behaviors are found for both phases despite the OG's underlying crystal (bcc) lattice. Such similarity, which is also revealed in dielectric spectroscopy and inelastic neutron scattering measurements, suggests whole molecule small-angle librations as a common microscopic origin for a wide variety of "glassy" phenomena. |
Agencias financiadoras | Dirección General de Investigación Científica y Técnica (DGICYT). España |
Identificador del proyecto | PB95-0075-C03-01 |
Cita | Criado Vega, A., Jiménez Ruiz, M., Cabrillo, C., Bermejo, F.J., Grimsditch, M., Fischer, H.E.,...,Eccleston, R.S. (2000). Role of low-frequency vibrations on sound propagation in glasses at intermediate temperature. Physical Review B - Condensed Matter and Materials Physics, 61 (13), 8778-8783. |
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