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Persistent URL
http://purl.org/net/epubs/work/50807
Record Status
Checked
Record Id
50807
Title
Analysis of the optic-type collective mode in liquid selenium to determine the local structure
Contributors
A Chiba
,
Y Ohmasa
,
SM Bennington
,
J W Taylor
,
M Yao
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)
Type
Details
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Year
Journal Article
Phys Rev B
77: 132202.
10.1103/PhysRevB.77.132202
PhysRevB_77_132202.pdf
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