Studies of Constrained Dynamics of the Phase Transition in the Artificial Bilayer Membrane of Dialkyl Ammonium Amphiphile by Quasielastic Neutron Scattering

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概要

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• Quasielastic neutron scattering studies on the get to liquid crystalline phase transi-tion of the synthetic bimolecular membrane made of didodecyl dimethyl ammoniumbromide (DDAB) dispersed in 0.0 were performed to reveal that the behavior of theproton motion of the alkyl chain changed drastically through the transition tempera-ture. Below the transition temperature of 16.5'C, the predominant motion of protonsis the vibrational one in the well defined potential well, whereas above the transitionat T=2O'C, superimposed upon the increased vibrational motion, protons can jumpthe average distance of the order of 0.5 A in every 6 to 7 picosecond around the chainaxis. Such observation and the presumed important role of the kink formation pro-cess attributed to the membrane transition are discussed from the view point of theconstrained dynamical system.

• 社団法人日本物理学会の論文
• 1987-06-15

著者

• ITO Yuji

  Institute for Solid State Physics,University of Tokyo

• INOUE Kazuhiko

  Department of Nuclear Engineering,Faculty of Engineering,Hokkaido University

• Shigekawa Naoteru

  NTT Photonics Laboratories

• HARADA Mitsuo

  Institute for Solid State Physics,The University of Tokyo

• Boni Peter

  Department Of Physics Brookhaven National Laboratory

• Ito Yuji

  Institute For Solid State Physics University Of Tokyo

• Shigekawa Naoteru

  Ntt Science & Core Technology Laboratory

• Shigekawa Naoteru

  Institute For Solid State Physics The University Of Tokyo:electro-communication Laboratory Ntt K.k.

• Harada M

  Univ. Tokyo Tokyo Jpn

• Harada Mitsuo

  Institute For Solid State Physics Roppnngi

• Inoue Kazuhiko

  Department Of General Medicine Kawasaki Medical School

• Ito Yuji

  Institute For Solid State Physics The University Of Tokyo

• Inoue Kazuhiko

  Department Of Nuclear Engineering Hokkaido University

• INOUE Kazuhiko

  Department of Comprehensive Medicine, Kawasaki Medical School

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