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J. Korean Ceram. Soc. > Volume 25(4); 1988 > Article
Journal of the Korean Ceramic Society 1988;25(4): 321.
(Pb1-1.5xLax)(Ti1-yMny)O3계의 유전 및 압전성질
맹성재, 정형진
한국과학기술원 무기재료연구실
The Dielectric and Piezoelectric Properties of (Pb1-1.5xLax)(Ti1-yMny) System
ABSTRACT
The sintering phenomena, electrical resistivity, dielectric and piezoelectric properties of lead titanate ceramics modified by the partial substitution of La for Pb and Mn for Ti, (Pb1-1.5xLax)(Ti1-yMny)O3 ceramics, have been investigated. In (Pb1-1.5xLax)(Ti1-yMny)O3 system, with increasing lanthanum content, the realtive bulk density increased, but the Curie point and tetragonality (c/a) decreased. The tetragonal-to-cubic phase transition boundary existed in the range of 0.20
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