A Unified View of Incommensurate-Commensurate Phase Transitions in A_2BX_4 Type Crystals

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概要

• 論文の詳細を見る

• A unified treatment has been constructed which gives a perspective view ofincommensurate(IC)-commensurate(C) phase transition schetnes in A.BX.type crystals. We have shown that a microscopic treatment based on 'ExtendedAntiferroelectric Interaction Ising' model can explain most of the observedfeatures of IC-C phase transitions. The wide variety of the lock-in phases isattributed to the fact that there are three different ground states in the extendedantiferroelectric interaction system, and that each substance passes throughvarious transient lock-in phases in the process of reaching one of those groundstates. Within this model, each substance is characterized by a point in a two-dimensional interaction parameter space. The unified view has been visualizedby constructing a distribution map of the representative points of the hithertoobserved materials in this interaction parameter space.

• 社団法人日本物理学会の論文
• 1983-10-15

著者

• YAMADA Yasusada

  Faculty of Engineering Science,Osaka University

• Yamada Yasusada

  Faculty Of Engineering Science Osaka University

• HAMAYA Nozomu

  Department of Physics, Ochanomizu University

• Hamaya Nozomu

  Department Of Physics Ochanomizu University

• Hamaya Nozomu

  Faculty Of Science Ochanomizu University

• Hamaya Nozomu

  Faculty Of Engineering Science Osaka University

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