Investigation of the anharmonic guest modes in filled skutterudites using inelastic X-ray scattering techniques

Satoshi Tsutsui; Hisao Kobayashi; John P. Sutter; Hiroshi Uchiyama; Alfred Q.R. Baron; Yoshitaka Yoda; Daisuke Kikuchi; Hitoshi Sugawara; Chihiro Sekine; Ichimin Shirotani; Akira Ochiai; Hideyuki Sato

doi:10.1143/JPSJS.77SA.257

Investigation of the anharmonic guest modes in filled skutterudites using inelastic X-ray scattering techniques

Satoshi Tsutsui, Hisao Kobayashi, John P. Sutter, Hiroshi Uchiyama, Alfred Q.R. Baron, Yoshitaka Yoda, Daisuke Kikuchi, Hitoshi Sugawara, Chihiro Sekine, Ichimin Shirotani, Akira Ochiai, Hideyuki Sato

SCI - Physics

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

We have carried out high-resolution inelastic X-ray scattering and ¹⁴⁹Sm nuclear resonant inelastic scattering to investigate the anharmonicity of the mode of the atoms enclosed in the cages of filled skutterudites. The temperature dependence of the phonon energy obtained by ¹⁴⁹Sm nuclear resonant inelastic scattering from SmRu ₄P₁₂ suggests an anharmonic vibration of the Sm atoms. A similar decrease of the vibration energy of the La atoms in LsOs ₄Sb₁₂ with decreasing temperature, which suggests that this motion too is anharmonic, was observed by high resolution inelastic X-ray scattering.

Original language	English
Pages (from-to)	257-259
Number of pages	3
Journal	journal of the physical society of japan
Volume	77
Issue number	SUPPL.A
DOIs	https://doi.org/10.1143/JPSJS.77SA.257
Publication status	Published - 2008 Jan 1

Keywords

Filled skutterudite
Guest modes
Inelastic X-ray scattering
Nuclear resonant inelastic scattering

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1143/JPSJS.77SA.257

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Tsutsui, S., Kobayashi, H., Sutter, J. P., Uchiyama, H., Baron, A. Q. R., Yoda, Y., Kikuchi, D., Sugawara, H., Sekine, C., Shirotani, I., Ochiai, A., & Sato, H. (2008). Investigation of the anharmonic guest modes in filled skutterudites using inelastic X-ray scattering techniques. journal of the physical society of japan, 77(SUPPL.A), 257-259. https://doi.org/10.1143/JPSJS.77SA.257

Tsutsui, S, Kobayashi, H, Sutter, JP, Uchiyama, H, Baron, AQR, Yoda, Y, Kikuchi, D, Sugawara, H, Sekine, C, Shirotani, I, Ochiai, A & Sato, H 2008, 'Investigation of the anharmonic guest modes in filled skutterudites using inelastic X-ray scattering techniques', journal of the physical society of japan, vol. 77, no. SUPPL.A, pp. 257-259. https://doi.org/10.1143/JPSJS.77SA.257

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abstract = "We have carried out high-resolution inelastic X-ray scattering and 149Sm nuclear resonant inelastic scattering to investigate the anharmonicity of the mode of the atoms enclosed in the cages of filled skutterudites. The temperature dependence of the phonon energy obtained by 149Sm nuclear resonant inelastic scattering from SmRu 4P12 suggests an anharmonic vibration of the Sm atoms. A similar decrease of the vibration energy of the La atoms in LsOs 4Sb12 with decreasing temperature, which suggests that this motion too is anharmonic, was observed by high resolution inelastic X-ray scattering.",

keywords = "Filled skutterudite, Guest modes, Inelastic X-ray scattering, Nuclear resonant inelastic scattering",

author = "Satoshi Tsutsui and Hisao Kobayashi and Sutter, {John P.} and Hiroshi Uchiyama and Baron, {Alfred Q.R.} and Yoshitaka Yoda and Daisuke Kikuchi and Hitoshi Sugawara and Chihiro Sekine and Ichimin Shirotani and Akira Ochiai and Hideyuki Sato",

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AU - Tsutsui, Satoshi

AU - Kobayashi, Hisao

AU - Sutter, John P.

AU - Uchiyama, Hiroshi

AU - Baron, Alfred Q.R.

AU - Yoda, Yoshitaka

AU - Kikuchi, Daisuke

AU - Sugawara, Hitoshi

AU - Sekine, Chihiro

AU - Shirotani, Ichimin

AU - Ochiai, Akira

AU - Sato, Hideyuki

PY - 2008/1/1

Y1 - 2008/1/1

N2 - We have carried out high-resolution inelastic X-ray scattering and 149Sm nuclear resonant inelastic scattering to investigate the anharmonicity of the mode of the atoms enclosed in the cages of filled skutterudites. The temperature dependence of the phonon energy obtained by 149Sm nuclear resonant inelastic scattering from SmRu 4P12 suggests an anharmonic vibration of the Sm atoms. A similar decrease of the vibration energy of the La atoms in LsOs 4Sb12 with decreasing temperature, which suggests that this motion too is anharmonic, was observed by high resolution inelastic X-ray scattering.

AB - We have carried out high-resolution inelastic X-ray scattering and 149Sm nuclear resonant inelastic scattering to investigate the anharmonicity of the mode of the atoms enclosed in the cages of filled skutterudites. The temperature dependence of the phonon energy obtained by 149Sm nuclear resonant inelastic scattering from SmRu 4P12 suggests an anharmonic vibration of the Sm atoms. A similar decrease of the vibration energy of the La atoms in LsOs 4Sb12 with decreasing temperature, which suggests that this motion too is anharmonic, was observed by high resolution inelastic X-ray scattering.

KW - Filled skutterudite

KW - Guest modes

KW - Inelastic X-ray scattering

KW - Nuclear resonant inelastic scattering

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SN - 0031-9015

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Investigation of the anharmonic guest modes in filled skutterudites using inelastic X-ray scattering techniques

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