BiFeO3 Nanoparticles Prepared by NaNO3-assisted Low-heating Temperature Solid State Reaction Method

摘要：

　　BiFeO3 nanoparticles were synthesized by a NaNO3-assisted low-heating temperature solid state reaction method.The effects of the molar ratio of added NaNO3 and the calcination temperature on the characteristics of the products were discussed.The structure,morphology,magnetic,optical and electrical properties of BiFeO3 were characterized by XRD,SEM,VSM and UV-VIS.The experimental results showed that the introduction of leachable inert inorganic salt as a hard agglomeration inhibitor in the mixture precursor led to the formation of BiFeO3 nanoparticles with uniform size.With the addition of NaNO3 in the process,the particle morphology decreased from a diameter of 300-500 nm to 80-100 nm.The BiFeO3 attained at 600 ℃C showed a smaller band gap (2.12 eV) and weak ferromagnetism at room temperature with a remnant magnetization value (Mr) of approximately 3.1×10-5 emu/g and a coercive filed value (Hc) of nearly 20 Oe.

关键词： BiFeO3 Low-heating temperature solid state reaction Nanoparticles

作者: Lei Wang Xueying Chen Jinbao Xu Liang Bian Bo Gao

作者单位: Xinjiang Key Laboratory of Electronic Information Materials and Devices, Xinjiang Technical Institut Xinjiang Key Laboratory of Electronic Information Materials and Devices, Xinjiang Technical Institut

会议类型: 国际会议

会议名称: the Chinese Materials Congress 2012(2012年中国材料大会(CMC2012))

会议地点: 太原

会议语种:英文

页码: 113-118

在线出版日期: 2012-07-13（万方平台首次上网日期，不代表论文的发表时间）