Comparative Studies on the Dielectric Properties of the Hydrogen-Bonded Ferroelectrics,PbHAs_SO_4 and PbHPO_4
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概要
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Static and dynamic dielectric properties were studied around the ferroelectric phase transi-tion temperatures of PbHAsO,j and PbHPO,j. Typical Debye-type dielectric dispersions wereobserved in both of the ferroelectrics. Dynamic dielectric properties of the two ferroelectrics arevery similar to each other. On the other hand, there are remarkable differences in the staticdielectric properties; the Curie-Weiss constant of PbHAsO,j is about two times larger than thatof PbHPO,j, and the spontaneous polarization of PbHAsO,j is about 40% larger than that ofPbHPO.( at the same T. - T. These differences strggest that the permanent electric dipolemoment in PbHAsO,j is considerably large compared with that in PbHPOj.
- 社団法人日本物理学会の論文
- 1996-12-15
著者
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DEGUCHI Kiyoshi
Department of Materials Science, Shizuoka Institute of Science and Technology
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Deguchi Kiyoshi
Department Of Materials Science Shizuoka Institute Of Science And Technology
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