F
and PrFeAsO
via inelastic X-ray scattering and first-principles calculationFukuda, Tatsuo 
; Baron, A. Q. R.*; Shamoto, Shinichi ; Ishikado, Motoyuki; Nakamura, Hiroki 
; Machida, Masahiko ; Uchiyama, Hiroshi*; Tsutsui, Satoshi*; Iyo, Akira*; Kito, Hijiri*; Mizuki, Junichiro; Arai, Masatoshi; Eisaki, Hiroshi*; Hosono, Hideo*
The lattice dynamics of LaFeAsOF (
=0, 0.1) and PrFeAsO (
0.1) are investigated using inelastic X-ray scattering. Measurements of powder samples provide an approximation to the phonon DOS, while dispersion is measured from a single crystal of PrFeAsO. A model that agrees reasonably well with all of the data at room temperature is built from results of ab-initio calculations by reducing the strength of the Fe-As bond by 30%.
Language |
: | English |
|---|---|---|
Journal |
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Volume |
: | 77 |
Number |
: | 10 |
Pages |
: | p.103715_1 - 103715_4 |
Publication Year/Month |
: | 2008/10 |
Paper URL |
: |
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Keywords |
: | no keyword |
Research Facility |
: |
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- Accesses |
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: |
Percentile:83.23 Category:Physics, Multidisciplinary |
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