Dynamics of Polyethylene Studied by High Resolution Neutron Spectrometer LAM-80ET
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概要
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We have recently developed a high resolution qtnasielastic neutron scattering spectrometer LAM-80ET by applying mica crystals as analyzers and achieved a resolutionof Ae= 1.3 qeV using the 002 reflection. Single chain dynamics of polyethylene l?asbeen investigated below and above the rnelting temjverature T,., (= 135'C) to show thefeasibility of the mica 002 reflection as the analyzer. It was found that elastic scatter-ing intensity from polyethylene decreases very steeply around the T,.. Quasielasticbroadening in the spectrum at 0=0.082 A ' is observed only above 210'C, whiclt is75'C higher than the T,.. From the analysis of the spectra by a curve-fitting method,the width of the quasielastic component was evaluated to be l .8 zeV at 250'C and theactivation energy of the width to be 34 kJ / mol.[polyethylene, dynamics, mica crystal, quasielastic neutron scattering, pulse l] neutron, high resolutionl
- 社団法人日本物理学会の論文
- 1992-06-15
著者
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柴田 清孝
岩手大 工
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IKEDA Susumu
National Laboratory for High Energy Physics
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INOUE Kazuhiko
Department of Nuclear Engineering,Faculty of Engineering,Hokkaido University
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SHIBATA Kaoru
Institute for Material Research,Tohoku University
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KAMIYAMA Takashi
Institute for Material Research,Tohoku University
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IZUMI Yoshinobu
Macromolecular Research Laboratory,Faculty of Engineering,Yamagata University
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Ikeda Susumu
Graduate School Of Science And Engineering Yamagata University
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Inoue K
School Of High Energy Accelerator Science The Graduate University For Advanced Studies:institute For
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Inoue K
Department Of Nuclear Engineering Hokkaido University
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KANAYA Toshiji
Institute for Chemical Research,Kyoto University
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FURUSAKA Michihiro
National Laoratory for High Energy Physics
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Inoue Katsuya
School Of High Energy Accelerator Science The Graduate University For Advanced Studies:institute For
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KAJI Keisuke
Institute for Chemical Research, Kyoto University
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Kamiyama Takashi
Instiiute Of Materials Science University Of Tsukuba
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Kamiyama Takashi
Institute Of Materials Science The University Of Tsukuba
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Furusaka Michihiro
National Laboratory For High Energy Physics
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FURUSAKA Michihiro
Faculty of Engineering Hokkaido University
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Kaji Keisuke
Institute For Chemical Research Kyoto University
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Kanaya T
Institute For Chemical Research Kyoto University
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Kanaya Toshiji
Institute For Chemical Research Kyoto University
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Shibata K
Meteorological Research Institute
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Izumi Yoshinobu
Macromolecular Research Laboratory Faculty Of Engineering Yamagata University
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Inoue Kazuhiko
Department Of General Medicine Kawasaki Medical School
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Ikeda Susumu
National Laboratory For Hegh Energy Physics
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SHIBATA Kaoru
Institute for Materials Research, Tohoku University
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Inoue Kazuko
Department of Applied Molecular Science Institute for Molecular Science : Faculty of Science, Hiroshima University
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INOUE Kazuhiko
Department of Comprehensive Medicine, Kawasaki Medical School
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