硅酸盐通报2012，Vol.31Issue(1)：50-55,6.
水热法制备NiFe2O4-BaTiO3复合材料及其电-磁性能
Electric and Magnetic Properties of NiFe2O4-BaTiO3 Composites Synthesized by Hydrothermal Method
摘要
Abstract
In the present work, the magnetoelectric composites of spinel structure NiFe2 04 and perovskite structure BaTiO3 were synthesized by hydrothermal method with putting the precursor of NiFe2O4 and BaTiO3 together in reaction kettle. The presence of two phases in composites was confirmed by XRD technique. The microstructure was characterized by scanning electron microscope. The variation of dielectric constant and variation of permeability with frequency and temperature were studied. The results showed that the structure of BaTiO3 in the composite changed from tetragonal structure to hexagonal structure, hexagon shaped BaTiO3 particles and near-spherical particles were formed, both of dielectric constant and permeability increased with increasing NiFe2O4 contents,the ferroelectric curie temperature moved towards low temperature with increasing NiFe2O4 contents, while the ferromagnetic curie temperature moved towards high temperature, which was close to that of NiFe2O4.关键词
水热法/磁导率/居里温度/介电常数Key words
hydrothermal method/permeability/curie temperature/dielectric constant分类
信息技术与安全科学引用本文复制引用
刘倩,吕丽,王燕,肖瑞娟,陈晓明,周剑平,刘鹏,宋永红..水热法制备NiFe2O4-BaTiO3复合材料及其电-磁性能[J].硅酸盐通报,2012,31(1):50-55,6.基金项目
教育部新世纪优秀人才支持计划(NCET-10-0536) （NCET-10-0536）
中央高校基本科研业务费专项资金(GK200901018) （GK200901018）
陕西师范大学研究生培养创新基金(2011CXS047) （2011CXS047）
