Observation of a Soft Mode Phonon in MEM (TCNQ)_2 below Spin-Peierls Transition by Far Infrared Spectroscopy
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概要
- 論文の詳細を見る
Frequency shift and broadening of a soft mode phonon in MEM(TCNQ). werel l b db f ' fl-1 -c ear y o serve y ar III rared spectroscopy be ow 30 cm , as uncreasnng tempera-Lure from 4 K to a spin-Peierls transition temperattrre. The sol't mode phonon frequency at 4 K is 8.5 cm '. Taking account of the frequency of 8.5 cm ' and its modeof motion, it is considered that the dynamical displacement of tl?e soft mode phononlies almost in a TCNQ plane which contains the static shift associated with the spinPeierls transition. In addition, two holding phonon bands, whose frequencies with19.5 and 24.5 cm ' do not vary with the temperature, were clearly observed onlybelow the spin-Peierls transition temperature.
- 社団法人日本物理学会の論文
- 1990-01-15
著者
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NAGASAKA Keigo
Department of Physics,Faculty of Science,Science University of Tokyo
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Nagasaka K
Sci. Univ. Tokyo Tokyo
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Nagasaka K
Department Of Physics Science University Of Tokyo
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Nagasaka Keigo
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Satoh Naoki
Department of coronary care unit, Nippon medical school
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Satoh Naoki
Department Of Ophthalmology Akita University School Of Medicine
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Satoh N
Iwaki Meisei Univ. Fukushima Jpn
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TANAKA Yasumoto
Department of Physics, Science University of Tokyo
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Nagasaka Keigo
Depanment Of Physics Faculty Of Science Science University Of Tokyo
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Satoh Naoki
Surgical Center Hokkaido University Hospital
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Satoh Naoki
Department Of Cardiology Tokyo Women's Medical University
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