Multiferroic ternary solid solution system of BiFeO3-NdFeO3-PbTiO3

被引:11
|
作者
Pang, Dongfang [1 ]
He, Chao [1 ]
Long, Xifa [1 ]
机构
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Peoples R China
基金
中国国家自然科学基金;
关键词
Multiferroics; Ferroelectrics; Piezoelectrics; Ceramics; BIFEO3; THIN-FILMS; DIELECTRIC-PROPERTIES; MAGNETOELECTRIC PROPERTIES; ELECTRICAL-PROPERTIES; COMPOSITE FILMS; DOPED BIFEO3; CERAMICS; FERROELECTRICS; PEROVSKITE; TITANATE;
D O I
10.1016/j.jallcom.2017.03.114
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The ternary solid solution system of BiFeO3-NdFeO3-PbTiO3 (BF-NF-PT) has been synthesized in the form of ceramics by conventional solid reaction method in order to understand multiferroic properties. The introduction of NdFeO3 into the BiFeO3-PbTiO3 binary system can effectively increase electrical properties. The ternary system exhibits enhanced piezoelectric properties with optimal piezoelectric constants d(33) = 142 pC/N and 135 pC/N, and reduced coercive fields E-C = 32.63 kV/cm and 15.55 kV/cm for 0.52BiFeO(3)-0.08NdFeO(3)-0.40PbTiO(3) and 0.20BiFeO(3)-0.20NdFeO(3)-0.60PbTiO(3), respectively. The Curie temperature (T-C) of the BiFeO3-NdFeO3-PbTiO3 ceramics varies in the range, of 412 degrees C-260 degrees C. The magnetic hysteresis loops shows that the ternary system is paramagnetism originated from canting of paramagnetic sublattices in BF-NF-PT, because the exchange interaction between Fe3+ at the octahedral sites is affected by Nd3+ ions. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码:16 / 23
页数:8
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