Polarized Raman-scattering study of Ge and Sn-filled CoSb 3

G. S. Nolas; C. A. Kendziora; Hirotsugu Takizawa

doi:10.1063/1.1628377

Polarized Raman-scattering study of Ge and Sn-filled CoSb ₃

G. S. Nolas, C. A. Kendziora, Hirotsugu Takizawa

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Abstract

Raman spectroscopic study of polycrystalline Ge and Sn-filled CoSb ₃ was discussed. Raman scattering was performed using a Dilor 500 mm triple-grating spectrometer in a subtractive mode. The results show that Raman spectra of the Sn-filled specimens are shifted and broadened as compared to CoSn ₃ mainly due to strong interaction of the Sn rattling atoms with Sb vibrational mode. It was also found that Ge does not rattle in the voids of the skutterudite structure as does Sn.

Original language	English
Pages (from-to)	7440-7444
Number of pages	5
Journal	Journal of Applied Physics
Volume	94
Issue number	12
DOIs	https://doi.org/10.1063/1.1628377
Publication status	Published - 2003 Dec 15

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.1628377

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title = "Polarized Raman-scattering study of Ge and Sn-filled CoSb 3 ",

abstract = "Raman spectroscopic study of polycrystalline Ge and Sn-filled CoSb 3 was discussed. Raman scattering was performed using a Dilor 500 mm triple-grating spectrometer in a subtractive mode. The results show that Raman spectra of the Sn-filled specimens are shifted and broadened as compared to CoSn 3 mainly due to strong interaction of the Sn rattling atoms with Sb vibrational mode. It was also found that Ge does not rattle in the voids of the skutterudite structure as does Sn.",

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AU - Nolas, G. S.

AU - Kendziora, C. A.

AU - Takizawa, Hirotsugu

PY - 2003/12/15

Y1 - 2003/12/15

N2 - Raman spectroscopic study of polycrystalline Ge and Sn-filled CoSb 3 was discussed. Raman scattering was performed using a Dilor 500 mm triple-grating spectrometer in a subtractive mode. The results show that Raman spectra of the Sn-filled specimens are shifted and broadened as compared to CoSn 3 mainly due to strong interaction of the Sn rattling atoms with Sb vibrational mode. It was also found that Ge does not rattle in the voids of the skutterudite structure as does Sn.

AB - Raman spectroscopic study of polycrystalline Ge and Sn-filled CoSb 3 was discussed. Raman scattering was performed using a Dilor 500 mm triple-grating spectrometer in a subtractive mode. The results show that Raman spectra of the Sn-filled specimens are shifted and broadened as compared to CoSn 3 mainly due to strong interaction of the Sn rattling atoms with Sb vibrational mode. It was also found that Ge does not rattle in the voids of the skutterudite structure as does Sn.

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Polarized Raman-scattering study of Ge and Sn-filled CoSb ₃

Abstract

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