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Persistent URL http://purl.org/net/epubs/work/50807
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Record Id 50807
Title Analysis of the optic-type collective mode in liquid selenium to determine the local structure
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Abstract We have performed inelastic neutron scattering measurements for liquid selenium to investigate the dynamic structure, S(Q,E), of the chainlike molecules in the liquid state. We observed a distinct optic-type mode at around 31 meV, whose Q dependence of the intensity, S(Q,E similar to 31 meV), was found to be reproduced by a simple approximation of "three-body" model. We propose the possibility of extracting structural parameters such as bond length and angle by constant E spectra by the use of this simple model, which at the same time provides us a clearcut physical meaning of the Q dependences.
Organisation ISIS , STFC
Keywords Physics
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Language English (EN)
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Journal Article Phys Rev B 77: 132202. 10.1103/PhysRevB.77.132202 PhysRevB_77_132202.pdf