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

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
Externally published	Yes

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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Takahashi, Y., Kitamura, K., Inoue, S., Ihara, R., Benino, Y., Fujiwara, T., & Komatsu, T. (2005). Temperature dependence of second-harmonic intensity and raman shift in langasite-type phases. Journal of the Ceramic Society of Japan, 113(1322), 692-695. https://doi.org/10.2109/jcersj.113.692

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title = "Temperature dependence of second-harmonic intensity and raman shift in langasite-type phases",

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.",

keywords = "Langasite-type phase, Raman spectroscopy, Second-harmonic generation, Temperature dependence",

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AU - Takahashi, Yoshihiro

AU - Kitamura, Kenji

AU - Inoue, Satoru

AU - Ihara, Rie

AU - Benino, Yasuhiko

AU - Fujiwara, Takumi

AU - Komatsu, Takayuki

PY - 2005/10

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N2 - 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.

AB - 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.

KW - Langasite-type phase

KW - Raman spectroscopy

KW - Second-harmonic generation

KW - Temperature dependence

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