Anisotropic Neutron Critical Scattering in DKDP Originating from the Ice Rule by Six-States Rotator Model

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概要

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• A theoretical origin of the anisotropic neutron critical scattering observed in DKDP is sttrdiedon the basis of the H2PO4 dipole order-disorder rnodel arud the ice rtrle constraint in KDP typeferroelectrics. A radical D2PO,1 is assvrrned to take six Staler configvrrations described by a sixstates rotator. The diffused scattering intensity is given in teruaus of netttron scattering structurefactors for respective six configtrrations and correlation functions anaong six states rotators, Thescattering intensity contour in the reciprocal lattice space is nurnerically computed and shown tobe similar to the experimental restrlts even if the rigid ice constraint is released to SOIII(l; extent.Discussions are made on the controversy betxveen the proton ttrnneling model and the H2PO4dipole order-disorder rnodel froun these restrlts.

• 社団法人日本物理学会の論文
• 1997-04-15

著者

• Tokunaga Masaharu

  Section Of Physics Graduate School Of Science Hokkaido University

• Nikami Takashi

  Section Of Physics Graduate School Of Science Hokkaido University

関連論文

• Anisotropic Neutron Critical Scattering in DKDP Originating from the Ice Rule by Six-States Rotator Model

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