Temperature dependence of second-harmonic intensity and raman shift in langasite-type phases

Yoshihiro Takahashi; Kenji Kitamura; Satoru Inoue; Rie Ihara; Yasuhiko Benino; Takumi Fujiwara; Takayuki Komatsu

doi:10.2109/jcersj.113.692

Temperature dependence of second-harmonic intensity and raman shift in langasite-type phases

Yoshihiro Takahashi, Kenji Kitamura, Satoru Inoue, Rie Ihara, Yasuhiko Benino, Takumi Fujiwara, Takayuki Komatsu

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

3 Citations (Scopus)

Abstract

In this study, we examined the temperature dependence of the second-harmonic (SH) intensity and Raman shift in the langasite-type Ba ₃Ga₂Ge₄O₁₄ (BGG) and Na ₂CaGe₆O₁₄ (NCG) crystalline phases. The SH intensity curves revealed an anomalous temperature behavior around 370°C and 270°C in the BGG and NCG phases, respectively. Furthermore, as a result from the Raman spectral measurement, it was suggested that the anomaly observed in the lagasite-type phases originated in the A-site.

Original language	English
Pages (from-to)	692-695
Number of pages	4
Journal	Journal of the Ceramic Society of Japan
Volume	113
Issue number	1322
DOIs	https://doi.org/10.2109/jcersj.113.692
Publication status	Published - Oct 2005

Keywords

Langasite-type phase
Raman spectroscopy
Second-harmonic generation
Temperature dependence

ASJC Scopus subject areas

Ceramics and Composites
Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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Temperature dependence of second-harmonic intensity and raman shift in langasite-type phases. / Takahashi, Yoshihiro; Kitamura, Kenji; Inoue, Satoru; Ihara, Rie; Benino, Yasuhiko; Fujiwara, Takumi; Komatsu, Takayuki.

In: Journal of the Ceramic Society of Japan, Vol. 113, No. 1322, 10.2005, p. 692-695.

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

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abstract = "In this study, we examined the temperature dependence of the second-harmonic (SH) intensity and Raman shift in the langasite-type Ba 3Ga2Ge4O14 (BGG) and Na 2CaGe6O14 (NCG) crystalline phases. The SH intensity curves revealed an anomalous temperature behavior around 370°C and 270°C in the BGG and NCG phases, respectively. Furthermore, as a result from the Raman spectral measurement, it was suggested that the anomaly observed in the lagasite-type phases originated in the A-site.",

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AU - Fujiwara, Takumi

AU - Komatsu, Takayuki

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