Raman Scattering Study of SrTi^<18>O_3 : Condensed Matter: Electronic Properties, etc.
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概要
- 論文の詳細を見る
Antiferrodistortive and ferroelectric soft modes of isotoped ferroelectric SrTi^<18>O_<3x>^<16>O_<3(1-x)> were observed for a single crystal of x = 0.87 with Raman scattering. The frequency of one of the antiferrodistortive modes exhibits a gradual change near the ferroelectric transition point at 24K (T_c) induced as the isotope effect. The spectral forms characteristic of the ferroelectric microscopic regions were also observed in both phases. The ferroelectric soft mode does not exhibit any softening behavior even just at T_c. The transition mechanism of the isotopically induced ferroelectric phase is discussed.
- 社団法人日本物理学会の論文
- 2001-03-15
著者
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Itoh Mitsuru
Materials & Structures Laboratory Tit
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KASAHARA Masaru
Research Institute of Applied Electricity,Hokkaido University
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Wang R
National Inst. Advanced Industrial Sci. And Technol. Ibaraki Jpn
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Wang Ruiping
Materials & Structures Laboratory Tit
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HASEBE Hiroki
Research Institute for Electronic Science, Hokkaido University
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YAGI Yoshirou
Research Institute for Electronic Science, Hokkaido University
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Masaru Kasahara
Research Institute For Electronic Science Hokkaido University
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Kasahara Masaru
Research Institute For Electronic Science Hokkaido University
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Kasahara Masaru
Reseach Institute For Electronic Science Hokkaido University
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Yagi Yoshirou
Research Institute For Electronic Science Hokkaido University
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Hasebe H
Research Institute For Electronic Science Hokkaido University
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