Quasielastic Neutron Scattering of Liquid A_2X_2 : (A:chalcogen,X:Halogen)

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概要

• 論文の詳細を見る

• Quasielastic neutron scattering meastmrernents were carried out at room temperature f'or liquidS2Cl2, SzBr3, Se3Clz and SezBr3, which are conaposed of the unolecules having the X-A-A-X typechain unit, X and A being halogen and chalcogen atoms. The rneasurerments were perforrrtedat the scattering wave vectors of 0.98, 1.55, 2.32 and 2.66 A ' by using AGNBS spectrouneterinstalled in JAERI. By analyzing the interzaaediate scattering f'unction, which was obtained byFourier transform of the observed dynatnic strtrcture f'actor, a fast and a slow relaxation processeshave been found. The fast process, whose relaxation time is less than l picosecond, may beassigned to fltrctuations in the dihedral ?rngle within the rnolecule, while the slow process, whosereI?txation titne depends strongly on the moIecul?rr xveight, rnay Ice assigned to the translationaldifltrsion of the molecule.

• 社団法人日本物理学会の論文
• 1997-10-15

著者

• Yao Makoto

  Department Of Physics Faculty Of Science Kyoto University

• Endo Hirohisa

  Faculty Of Engineering Fukui Institute Of Technology

• Kawakita Yukinobu

  Department Of Physics Faculty Of Science Kyushu University

• Shiga T

  Toyota Central Res. And Dev. Lab. Inc. Aichi Jpn

• Makoto YAO

  Department of Physics,Graduate School of Science,Kyoto University

• SHIGA Takahiro

  Department of Physics,Graduate School of Science,Kyoto University

• YAMAMOTO Ituro

  Faculty of Education,Hirosaki University

• Yamamoto Ituro

  Faculty Of Education Hirosaki University

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