On the Phenomenon of Morphotropic Tetragonal-Rhombohedral Phase Boundary in the Ferroelectric Ceramice
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概要
- 論文の詳細を見る
The structural and dielecties properties have been studied on 0.1Pb_0.9K_0.1(Zn_1/3Nb_2/3)O_2.95-xPbZrO_3-(0.9-x)PbTio_3 solid solutions in the region of morphotropic phase boundary between tetragonal and rhombohedral structures. In the X-ray analysis, the{200}reflections which were mainly selected to investigate are split into three lines, in which two are due to the tetragonal structure and central one is due to the rhombohedral structure in the miscibility gap between x=0.43~0.55. The phase boundary between two structures is not a line but a region, where the lattice parameters of each phase remain constant. In the dielectric study, the appearance of two phases is also investigated, being based on the "mixing rule" from the volume fractions and the dielectric constants of two phases. The Curie temperature of each phase does not change in the coexistence region of two phases.
- 社団法人応用物理学会の論文
- 1978-04-05
著者
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UCHINO KENJI
Department of Pathology, The Institute of Medical Science,The University of Tokyo
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Nomura Shoichiro
Department Of Physical Electromics Tokyo Instiute Of Technology
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HANH Lu
Department of Physical Electronics, Tokyo Institute of Technology
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Nomura Shoichiro
Department Of Physical Electornics Faculty Of Engineering Tokyo Institute Of Technology
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Hanh Lu
Department Of Physical Electromics Tokyo Instiute Of Technology
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Uchino Kenji
Department Of Physical Electromics Tokyo Instiute Of Technology
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Uchino Kenji
Department Of Pathology The Institute Of Medical Science The University Of Tokyo
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