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Listar Artículos (Física de la Materia Condensada) por autor "Bermejo, F. J."
Mostrando ítems 1-9 de 9
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Artículo
Collective excitations in liquid methanol: A comparison of molecular, lattice-dynamics, and neutron-scattering results
Alonso, J.; Bermejo, F. J.; García Hernández, M.; García Martínez, J. L.; Howells, W. S.; Criado Vega, Alberto (American Institute of Physics, 1992)The collective dynamics of liquid methanol‐d4 is studied by means of molecular‐dynamics simulation. The model potential ...
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Artículo
Correlated atomic motions in glassy selenium
Bermejo, F. J.; García Hernández, M.; Mason, T.; Martínez, J.L.; Enciso, E.; Criado Vega, Alberto (American Institute of Physics Publising LLC, 1994)The elastic and total (energy-integrated) structure factors for glassy selenium have been measured by means of neutron ...
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Evidence for a supercooled plastic-crystal phase in solid ethanol
Srinivasan, A.; Bermejo, F. J.; Andrés, A. de; Dawidowski, J.; Zúñigan, J.; Criado Vega, Alberto (American Physical Society, 1996)The existence of an orientationally disordered cubic phase of solid ethanol is revealed by x-ray diffraction and Raman ...
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Artículo
Low-frequency excitations in a molecular glass: Single-particle dynamics
Bermejo, F. J.; Alonso, J.; Criado Vega, Alberto; Mompeán, F.J.; Martínez, J.L.; García Hernández, M.; Chahid, A. (American Institute of Physics Publising LLC, 1992)The low-frequency dynamics of a molecular glass former has been investigated by means of inelastic neutron scattering from ...
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Artículo
Low-frequency excitations in glassy selenium: A comparison of neutron-scattering and molecular-dynamics results
García Hernández, M.; Bermejo, F. J.; Fak, B.; Martínez, J.L.; Enciso, E.; Almarza, N.G.; Criado Vega, Alberto (American Institute of Physics Publising LLC, 1993)The microscopic low-frequency dynamics of glassy selenium is investigated by means of the concurrent use of neutron inelastic ...
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Microscopic dynamics of glycerol in its crystalline and glassy states
Bermejo, F. J.; Criado Vega, Alberto; Andrés, A. de; Enciso, E.; Schober, H. (American Physical Society, 1996)The dynamics of crystalline glycerol are studied by means of Raman spectroscopy and lattice dynamics calculations employing ...
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Role of low-frequency vibrations on sound propagation in glasses at intermediate temperature
Criado Vega, Alberto; Jiménez Ruiz, M.; Cabrillo, C.; Bermejo, F. J.; Grimsditch, M.; Fischer, H. E.; Bennington, S. M.; Eccleston, R. S. (American Physical Society, 2000)We report measurements of the temperature dependence of the sound attenuation and the fractional change in sound velocity ...
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Rotational dynamics in the plastic-crystal phase of ethanol: Relevance for understanding the dynamics during the structural glass transition
Criado Vega, Alberto; Jiménez Ruiz, M.; Cabrillo, C.; Bermejo, F. J.; Fernández Perea, F.; Fischer, H. E.; Trouw, F. R. (American Physical Society, 2000)The reorientational dynamics within the rotationally disordered cubic plastic phase of solid ethanol is investigated by ...
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Artículo
Thermal transport in glassy selenium: The role of low-frequency librations
Bermejo, F. J.; Enciso, E.; Criado Vega, Alberto; Martínez, J.L.; García Hernández, M. (American Institute of Physics Publising LLC, 1994)The experimental curves giving the temperature dependence of the thermal conductivity of glassy selenium are considered ...