Pressure Dependence of Raman Spectra in Low Frequency Region of Ferroelastic NdNbO_4
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概要
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Pressure dependence (up to N 80 Kbar) of optical modes in low frequency region ofNdNb0. was investigated by Raman scattering measurements at room temperature.The Raman spectra of NdNbO. are found to be quite similar to those of isostructuralLaNb0.. With increasing pressure, the overlapped peaks of the lowest frequency inNdNb0. at atmospheric pressure, which are in the different symm'etries each other,split around 30 Kbar. This behavior can be explained by the coupling of the opticalmode and the order parameter x..
- 社団法人日本物理学会の論文
- 1987-06-15
著者
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ISHIBASHI Yoshihiro
Synthetic Crystal Research Laboratory, Faculty of Engineering, Nagoya University
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Hara K
Synthetic Crystal Research Laboratory Faculty Of Engineering Nagoya University
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HARA Kazuhiro
Synthetic Crystal Research Laboratory,Faculty of Engineering,Nagoya University
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SAWADA Akikatsu
Synthetic Crystal Research Laboratory,Faculty of Engineering,Nagoya University
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Sakai A
Muroran Inst. Technol. Muroran
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