改进Pechini法制备镍铁氧体纳米颗粒及其表征
Nickel Ferrite Nano-Particles Prepared by Improved Pechini Method and Its Characterization
摘 要
用改进的Pechini法制备了高度分散的泡沫凝胶颗粒, 然后分别在500, 650, 800 ℃进行热分解得到了镍铁氧体纳米颗粒; 用XRD、TEM、IR及VSM等对其形貌、结构和磁性能进行了分析。结果表明: 用改进Pechini法得到的镍铁氧体纳米颗粒分散性好, 尺寸均匀, 晶化程度高, 纯度高; 500 ℃热解后得到的镍铁氧体粒径为50~120 nm; 室温下在796 kA·m-1磁场下的饱和磁化强度可达13.03 kA·m-1; 随着热解温度的升高, 镍铁氧体纳米颗粒的直径、饱和磁化强度、矫顽力都增大。
磁性能
Pechini方法
矫顽力
ferrite nano-particle
magnetic property
Pechini method
coercivity
Abstract
Nickel ferrite nano-particles were obtained by decomposing high-dispersed foamed gel prepared by improved Pechini method at 500, 650 and 800 ℃, respectively. The morphology, structure, and magnetic characteristics of the nano-particles were analyzed by X-ray diffraction, transmission electron microscopy, infrared and vibrating sample magnetometer. The results show that nickel ferrite nano-particles obtained by improved Pechini method exhibited dispersibility, uniform distribution, high crystallinity and purity. The diameter of nickel ferrite nano-particles decomposed at 500 ℃ was 50-120 nm; its saturation magnetization was 13.03 kA·m-1 at the maximum magnetic field of 796 kA·m-1 at room temperature. With the increase of thermol decomposition temperature, the paprticle size, saturation magnetization and coercivity of nickel ferrite nano-particles increased.
中图分类号 TH117.3
所属栏目 纳米材料
基金项目 河南省科技攻关项目 (092102310113); 河南省自然科学基金资助项目 (2008B430019)
收稿日期 2011/1/5
修改稿日期 2011/10/11
网络出版日期
作者单位点击查看
备注刘献明(1972-), 男, 江西莲花人, 副教授, 博士。
引用该论文: LIU Xian-ming,ZHANG Rui,YIN Wei-dong. Nickel Ferrite Nano-Particles Prepared by Improved Pechini Method and Its Characterization[J]. Materials for mechancial engineering, 2012, 36(2): 58～60
刘献明,张瑞,尹卫东. 改进Pechini法制备镍铁氧体纳米颗粒及其表征[J]. 机械工程材料, 2012, 36(2): 58～60
被引情况:
【1】康永,黄英, "原位复合法制备镧掺杂SrFe12O19/PPy复合材料的组织与电磁性能",机械工程材料 39, 71-74(2015)
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【7】PRADEEP A, PRIYADHARSINI P, CHANDRASEKARAN G. Production of single phase nanosize NiFe2O4 particles using sol-gel auto combustion route by optimizing the preparation conditions [J].Mater Chem Phys, 2008, 112:572-576.
【8】李桂金, 白志民, 金玥, 等.自蔓延燃烧法合成NiFe2O4纳米粉体的机理研究[J].无机材料学报, 2010, 25(4):396-400.
【9】WANG J. Prepare highly crystalline NiFe2O4 nanoparticles with improved magnetic properties [J].Mater Sci Eng B, 2006, 127(1):81-84.
【10】MAENSIRI S, MASINGBOON C, BANJONG B, et al. A simple route to synthesize nickel ferrite nanoparticles using egg white [J]. Scripta Mater, 2007, 56: 797-800.
【11】ALARIFI A, DERAZ N M, SHABAN S. Structural, morphological and magnetic properties of NiFe2O4 nano-particles [J].J Alloy Comp, 2009, 486(1/2):501-506.
【12】WU Y, SHI C H, YANG W. Fabrication and magnetic properties of NiFe2O4 nanorods [J].Rare Metals, 2010, 29(4):385-389.
【13】刘耀, 李明磊, 廖明, 等.球形尖晶石型钴铁氧体: 合成方法及其影响因素[J].无机化学学报, 2010, 26(4):596-602.
【14】赵红晓, 胡中爱, 孔超, 等.NiFe2O4纳米粒子的水热合成及表征[J].化工新型材料, 2006, 34(6):39-41.
【15】BAYKALA A, KASAPOGLUA N, KSEOGLUB Y, et al. CTAB-assisted hydrothermal synthesis of NiFe2O4 and its magnetic characterization[J].J Alloy Comp, 2007, 464(1/2):514-518．
【16】吕丽, 边小兵, 周剑平, 等.不同尺寸铁酸镍纳米晶体的水热合成[J]. 人工晶体学报, 2010, 39(4): 977-982.
【17】李桂金, 白志民, 傅瀛, 等.柠檬酸溶胶-凝胶法合成NiFe2O4纳米粉体及其电磁性能表征[J].功能材料, 2010, 41(8):1313-1316.
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