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Topological manifestations of surface-roughening collapse in Langmuir monolayers

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Title: Topological manifestations of surface-roughening collapse in Langmuir monolayers
Authors: Hatta, E.1 Browse this author →KAKEN DB
Nagao, J. Browse this author
Authors(alt): 八田, 英嗣1
Issue Date: 29-Apr-2003
Publisher: The American Physical Society
Journal Title: Physical Review E
Volume: 67
Start Page: 041604
Publisher DOI: 10.1103/PhysRevE.67.041604
PMID: 12786370
Abstract: A transition from surface-roughening collapse to a random network collapse has been investigated in fatty acid Langmuir monolayers. In contrast to the random network crack pattern, the surface-roughening crack pattern grows on a much longer time scale and on a much shorter length scale. A change in the isotherm from a surface pressure "spike" to a "plateau" occurs at the transition. In the surface-roughening regime, the pattern is manifested by the emergence of a three-dimensional (3D) disordered stripe phase with locally aligned, anisotropic stripe clusters. The individual stripes coalesce less with each other even at a late stage of the collapse process and there is a characteristic length for the stripe width and the nearest neighbor spacing. The pattern includes a high density of topological defects such as single open ends, twin open ends, branches, and loops. The effects of shear deformation on the observed patterns are discussed.
Rights: ©2003 The American Physical Society
Type: article
URI: http://hdl.handle.net/2115/5714
Appears in Collections:情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 八田 英嗣

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