Fe1-xCox/SiO2复合粉末的溶胶-凝胶制备及磁性能研究  

Preparation and magnetic property of orientation of Fe1-xCox/SiO2 nano-composite powders by sol-gel technique

作　　者：王前 沈慧娟 WANG Qian;SHEN Hui-juan(Editional Department of Journal,Tonghua Normal University,Tonghua 134002.China;Tonghua Jingyu Middle School,Tonghua 134002,China)

机构地区：[1]通化师范学院学报编辑部,吉林通化134002 [2]通化靖宇中学,吉林通化134002

出　　处：《东北师大学报（自然科学版）》2019年第2期91-94,共4页Journal of Northeast Normal University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(NSFC51301075)

摘　　要：采用溶胶-凝胶工艺获得Fe1-xCox/SiO2纳米粉末,并对其结构和磁性进行了研究,考察了Co含量对复合材料性能的影响.XRD和VSM分析结果表明:随着Co含量的增加,FeCo合金晶粒尺寸和晶格常数a先增大后减小,在x=0.34处达到最大值;样品的饱和磁化强度在x=0.34处达到最大值;矫顽力则在x=0.34处出现最小值,具有较好的软磁特性.Fe1-xCox/SiO2 nanocomposites were synthesized using a sol-gel technique and the microstructure and magnetic properties of the samples were characterized by X-ray diffraction and vibrating sample magnetometer to investigate the effect of Co content on the samples’ characterizations.With the increasing of Co content,the grain size and crystal parameter of FeCo increase then decrease,they both get maximum values when x is 0.34,presenting better soft magnetism.

关 键 词：FeCo/SiO2复合粉末 溶胶-凝胶工艺 结构 磁性 

分 类 号：O482.5[理学—固体物理]