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PLMN계 세라믹스의 유전 및 전기적 특성에 관한 연구
지승한,이능헌,김용혁,김진수,이희규,이덕출 경북대학교 센서기술연구소 1995 센서技術學術大會論文集 Vol.6 No.1
In this paper Dielectric and polarizable properties of 0.9Pb(Mg_(1/3)Nb_(2/3))O_(3)-0.1PbTiO_(3) Ceramics have been investigated as a addition of the amount of La_(2)O_(3)(0≤x≤0.05). The Temperature-dependant electrostictive characteristics of 0.9PMN-0.1PT relaxor ferroelectic system were improved by enhencing the extent of the diffuse phase transition(DPT). This was achieved using PMN-PTceramics by the partial substitution of La at the Pb site. The curie temperature and the maximum dielectic permittivity decreased by substituting La and the electic field-related hysteresis phenomena decreased with increasing La substitution amount.