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题名: BiFeO<inf>3</inf> nanoparticles prepared by NaNO<inf>3</inf>-assisted low-heating temperature solid state reaction method
作者: Wang Lei ; ChenXueying ; XuJinbao ; BianLiang ; GaoBo
会议名称: Chinese Materials Congress 2012, CMC 2012
会议日期: July 13, 2012 - July 18, 2012
出版日期: 2013
会议地点: Taiyuan, China
通讯作者: Wang, L.(wangl@ms.xjb.ac.cn)
出版地: Trans Tech Publications Ltd, Kreuzstrasse 10, Zurich-Durnten, CH-8635, Switzerland
收录类别: EI
ISSN: 2555476
ISBN: 9783037856079
部门归属: (1) Xinjiang Key Laboratory of Electronic Information Materials and Devices, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
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.
语种: 英语
内容类型: 会议论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/3618
Appears in Collections:材料物理与化学研究室_会议论文

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