0.2Pb(Zn_(1/3)Nb_(2/3))O_3-0.8Pb(Zr_(0.5),Ti_(0.5))O_3(1-x)(Ni_(51.5)Mn_(25)Ga_(23.5))x固溶体系磁电性能研究  

Magnetic and Electric Properties of 0.2Pb(Zn_(1/3)Nb_(2/3))O_3-0.8Pb(Zr_(0.5),Ti_(0.5))O_3(1-x)(Ni_(51.5)Mn_(25)Ga_(23.5))x Solid Solution System

作　　者：仲麒[1] 张铭[1] 邓浩亮[1] 郑木鹏[1] 胡州[1] 侯育冬[1] 朱满康[1] 严辉[1] 

机构地区：[1]北京工业大学,北京100124

出　　处：《稀有金属材料与工程》2013年第S1期201-203,共3页Rare Metal Materials and Engineering

基　　金：国家自然科学基金(11174021);国家自然科学基金(51002013);北京市自然科学基金(2122007)

摘　　要：采用传统的固相烧结法合成了0.2Pb(Zn1/3Nb2/3)O3-0.8Pb(Zr0.5,Ti0.5)O3(1-x)(Ni51.5Mn25Ga23.5)x复合体系陶瓷。XRD结果表明,随着Ni51.5Mn25Ga23.5(NMG)掺入,Ni51.5Mn25Ga23.5先溶于0.2Pb(Zn1/3Nb2/3)O3-0.8Pb(Zr0.5,Ti0.5)O3中,后NMG量超过5%不溶于复合体系中,使得0.2Pb(Zn1/3Nb2/3)O3-0.8Pb(Zr0.5,Ti0.5)O3的峰位向右偏移;铁电性能测试结果表明,0.2Pb(Zn1/3Nb2/3)O3-0.8Pb(Zr0.5,Ti0.5)O3(1-x)(Ni51.5Mn25Ga23.5)x复合体系陶瓷随着Ni51.5Mn25Ga23.5的掺入量的增加矫顽场E先降低后增加,剩余极化强度Pr逐渐降低,这与XRD的测试结果相一致;磁性测试结果表明,0.2Pb(Zn1/3Nb2/3)O3-0.8Pb(Zr0.5,Ti0.5)O3(1-x)(Ni51.5Mn25Ga23.5)x随着Ni51.5Mn25Ga23.5掺入量的增加,以独立相析出在复合体系中,剩余磁化强度Mr逐渐增大。Ternary system ceramic 0.2Pb(Zn1/3Nb2/3)O3 -0.8Pb(Zr0.5,Ti0.5 )O3 (1-x)(Ni51.5Mn25Ga23.5 )x prepared by solid state reaction were investigated. The test methods such as XRD test and VSM test were applied to analyze its properties and structure. X-ray diffraction (XRD) indicates that Ni51.5 Mn25Ga23.5 has all soluted into 0.2Pb(Zn1/3Nb2/3)O 3-0.8Pb(Zr0.5,Ti0.5 )O 3 lattice first and then Ni51.5Mn25Ga23.5 exists in composite system by separate phase. Thus it makes the diffraction peaks shift to right. Ferroelectric tests show that remanent polarization is decreased with x increasing and coercive field is first decreased and then increased. The magnetic field dependence of magnetization indicates remanent magnetization increasing with x increasing.

关 键 词：0.2Pb(Zn1/3Nb2/3)O3-0.8Pb(Zr0.5 Ti0.5)O3 Ni51.5Mn25Ga23.5 固相烧结 复合材料 

分 类 号：TQ174.1[化学工程—陶瓷工业]