Isotope Effect on the Activation Energy of Dielectric Relaxation in Ferroelectric CsH_<2(1-x)>D_<2x>PO_4

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概要

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• The activation energy of dielectric critical relaxation in CsH.(. ,)D.,PG.(,v=0-0.98) has been examined, using the reported values of the relaxation timer and the static dielectric constant e. which satisfy the relation r/e.w v ' exp (A U/kT) except in the vicinity of the Curie temperature. The activation energy AUincreases pronouncedly with the increase in the deuteron concentration x, whereasthe frequency factor v remains unchanged. By applying the kinetic quasi-one-dimensional Ising model by Zumer, it is found that the remarkable increase in.3 U with deuteration is attributable to the increase in J where J77 is the intrachain//,coupling parameter between the nearest neighbor dipoles.

• 社団法人日本物理学会の論文
• 1984-03-15

著者

• NAKAMURA Eiji

  Faculty of Integrated Arts and Sciences,Hiroshima University

• Nakamura Eiji

  Faculty Of Science Hiroshima University

• Nakamura E

  Hiroshima Univ. Higashi‐hiroshima

• Nakamaura Eiji

  Faculty Of Science Hiroshima University

• Nakamura E

  Hiroshima Univ. Higashi-hiroshima Jpn

• DEGUCHI Kiyoshi

  Faculty of Science,Hiroshima University

• OKAUE Etsuo

  Faculty of Science,Hiroshima University

• Nakamura Eiji

  Faculty Of Integrated Arts And Sciences Hiroshima University

• Deguchi Kiyoshi

  Faculty Of Science Hiroshima University

• Okaue Etsuo

  Faculty Of Science Hiroshima University

• Okaue Etsuo

  Department Of Materials Science Faculty Of Science Hiroshima University:suwa-seikosha Co

• Nakamura Eiji

  Department of Materials Science, Faculty of Science, Hiroshima University

関連論文

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• Effects of Deuteration on the Dielectric Properties of Ferroelectric CsH_2PO_4.II.Dynamic Dielectric Properties
• Effects of Deuteration on the Dielectric Properties of Ferroelectric CsH_2PO_4.I.Static Dielectric Properties
• Fractal Aspects of the Ferroelectric Domain Structures in KH_2PO_4 Crystal
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• Rhodes-Wohlfarth Ratio of Ferroelectric LiTlC_4H_4O_6・H_2O
• The Anomalous Behavior of the Coercive Field in Lossy KH_2PO_4
• Dilatometric Study of the Phase Transition of Quasi-One-Dimensional Ferroelectric CsH_2PO_4
• Ferroelectric Domain Formation in Short Circuited KH_2PO_4
• Dielectric Properties of Lossy KH_2PO_4 Crystals : APPLICATIONS AND FUNDAMENTALS
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• Elastic Anomaly Associated with Dipole Freezing of Rb_[N (H_D_y)_4]_x (H_D_y)_2PO_4 Mixed Crystals
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• Birefringence Induced by Lattice Imperfections in the Paraelectric Phase of KH_2PO_4
• Orientations of the Optical Indicatrices of KH_2PO_4 and NH_4H_2PO_4 in Their Low Temperature Phases
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• Periodic Motion of Laminar Domains in BaTiO_3 under Constant Electric Field
• Effect of Heat-Treatment on Dielectric Properties of Ca_2Sr(C_2H_5CO_2)_6
• Static and Dynamic Critical Properties of Dielectric Constant in Ferroelectric CsH_2PO_4 and CsD_2PO_4
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• Disordered Structure of Rb_2ZnCl_4 in the Normal Phase
• X-Ray Structural Study of Ferroelectric Cesium Dihydrogen Phosphate at Room Temperature
• Nature of Modulated Structure of K_2ZnCL_4 in Ferroelectric Phase
• Refinement of Crystal Structure of SbSI in the Ferroelectric Phase
• X-Ray Study of High-Temperature Phase Transitions in KH_2PO_4
• Dielectric and Thermal Studies on New Phase Transitions of CsHSO_4
• Measurement of Initial Dielectric Constant of KH_2PO_4 by Thermal Noise Method
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• Dielectric Properties of Ferroelectrics Having Small Curie-Weiss Constant: Rubidium Hydrogen Sulfate
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