Raman Scattering Study of Scheelite-Type Double Molybdates
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概要
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Raman scattering measurements were performed to investigate optical modes ofscheelite-type double molybdates XY(Mo0.). (X=Li, Na and Y=La, Nd). In thepolarized Raman scattering measurements, we have found four modes inNaLa(MoO.)., one in low frequency region (with B. symmetry) and three in high frequency region, which are missing in the previous observation by Ramakrishnan. Thescattered light by the high-frequency modes does not show clear polarizationcharacteristics. By the drastic modification of these modes with changing the propor-Lion x of Na.La.. .,/,(MOD.)., we concluded that the newly found high-frequencymodes result from the local deformation caused by the random positioning of the X'and Y" ions.
- 社団法人日本物理学会の論文
- 1988-09-15
著者
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Hara Kazuhiro
Synthetic Crystal Research Laboratory Faculty Of Engineering Nagoya University
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Ishibashi Yoshihiro
Synthetic Crystal Research Laboratory
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Takenaka Hiromitsu
Department Of Materials Science & Engineering Nagoya Institute Of Technology
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TAKENAKA Hiromitsu
Synthetic Crystal Research Laboratory,Faculty of Engineering,Nagoya University
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Ishibashi Yoshihiro
Synthetic Crysral Research Laboratory Faculty Of Engineering Nagoya University
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Ishibashi Yoshihiro
Synthehic Crystal Reseach Laboratory Faculty Of Engineering Nagoya University
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