A Fourier Transform Infrared Spectrometer with a Composite Interferometer for Soft Mode Studies
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概要
- 論文の詳細を見る
The Fourier transform infrared spectrometer has a new design of composite construction which allows it to be alternatively utilized for both the amplitude-divided two-beam interferometer and the polarization-divided two-beam one. A wide range of spectral wavenumbers to 4 cm^<-1> can be covered with changes of beam splitters, light sources and detectors except for a change of the main optical configuration. By means of the spectrometer with a silicon bolometer, the soft phonon mode which associates the structural phase transition has been measured in ferroelectric Li_2Ge_7O_<15> single crystals. The performance of the spectrometer for soft mode studies is estimated.
- 社団法人応用物理学会の論文
- 1991-05-15
著者
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WADA Mitsuo
Department of Physics, Faculty of Science, Shinsyu University
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NISHIZAWA Seiji
JASCO Corporation
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SHIRAWACHI Kikuo
JASCO Corporation
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Nishizawa Seiji
Jasco Japan Spectroscopic Co. Ltd.
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Shirawachi Kikuo
Jasco Japan Spectroscopic Co. Ltd.
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Wada Mitsuo
Department Of Physics Faculty Of Liberal Arts Shinshu University
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WADA MITSUO
Department of Internal Medicine, Yamaguchi University School of Medicine
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Wada Mitsuo
Department of Applied Chemistry and Biotechnology, Faculty of Engineering, Yamanashi University
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- Ferroelectric Phase Transition in Li_Na_xGe_4O_9(x=0.5)
- Neutron Diffraction Study of Structural Phase Transition in Ferroelectric Li_2Ge_7O_
- Phase Transitions and the Heat Capacity Anomalies in Ferroelectric Li_2Ge_7O_ and LiNaGe_4O_9
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