Impulsive Stimulated Brillouin Scattering Study on the Relaxation of the Polarization Fluctuation in Ferroelectric TGS
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概要
- 論文の詳細を見る
The quasi c_<33> acoustic mode of ferroelectric TGS is observed by impulsive stimulated Brillouin scattering. The mode is excited by picosecond laser pulses at 500 MHz and 2.0 GHz and its vibrational behavior is probed in real time. The temperature dependence of the velocity of the mode shows an anomaly through a piezoelectric coupling with the fluctuating polarization below the transition temperature T_c. The relaxation time τ_0 of the order of 10^<-10> s・deg is obtained which is longer than these reported in the previous Brillouin scattering and the ultrasonic studies.
- 社団法人日本物理学会の論文
- 1995-11-15
著者
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Yagi Toshirou
Research Institute Of Applied Electricity Hokkaido University:department Of Physics Faculty Of Scien
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Tsujimi Yuhji
Research Institute For Electronic Science Hokkaido University
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Yagi Toshirou
Reseach Institute Of Applied Electricity Hokkaido University
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Furuta Haruo
Research Institute for Electronic Science, Hokkaido University
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Shimada Yukihiro
Research Institute for Electronic Science, Hokkaido University
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Furuta Haruo
Research Institute For Electronic Science Hokkaido University
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Yagi Toshirou
Reseach Institute For Electronic Science Hokkaido University
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Shimada Yukihiro
Research Institute For Electronic Science Hokkaido University
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