2024-03-29T11:55:19Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/2161752020-12-10T16:37:58Zcom_10261_135com_10261_4col_10261_388
DIGITAL.CSIC
author
García-Hernández, M.
author
Martínez, J. L.
author
Bermejo, Francisco Javier
author
Chahid, A.
author
Enciso, E.
funder
Comisión Interministerial de Ciencia y Tecnología, CICYT (España)
2020-07-08T06:40:10Z
2020-07-08T06:40:10Z
1992-06-01
Journal of Chemical Physics 96: 8477-8484 (1992)
http://hdl.handle.net/10261/216175
10.1063/1.462300
http://dx.doi.org/10.13039/501100007273
An inelastic neutron scattering (INS) study of carbon tetrachloride (CCl4) at two different temperatures within its liquid range is reported. The analysis of the spectra reveals the presence of a collective inelastic response throughout the explored Q-range (0.3 Å -1≤Q≤2.2 Å-1). The wave vector dependence of the excitation energies ("dispersion relations") is investigated by means of the analysis of the measured spectral intensities in terms of a phenomenological (viscoelastic) model. In order to help with the analysis of the experimental intensities a molecular dynamics study has been carried out. The analysis of the calculated dynamical factors is also performed within the same approximation and the results are tested by comparison with those stemming from the experimental observations. © 1992 American Institute of Physics.
openAccess
Collective dynamics of liquid carbon tetrachloride studied by inelastic neutron scattering and computer simulation
artículo
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URL
https://digital.csic.es/bitstream/10261/216175/1/Collective%20dynamics.pdf
File
MD5
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application/pdf
Collective dynamics.pdf