西北师范大学学报（自然科学版）2017，Vol.53Issue(6)：37-41,5.DOI:10.16783/j.cnki.nwnuz.2017.06.008
溶胶-凝胶法制备Ni1-xZnxFe2O4及其Zn2+掺杂对磁性质的影响
Sol-gel method synthesis and the effect of doping Zn2+ ions on magnetic properties of Ni1-xZnxFe2O4
摘要
Abstract
Ni1-x Znx Fe2O4 (x-=0,0.2,0.4,0.6,0.8,1.0) powders were prepared by sol-gel method,the microstructure,morphology and magnetic properties of samples were investigated by using XRD,FESEM and VSM.The results show that 750 ℃ is the optimum calcination temperature for preparation of samples,Ni1-xZnxFe2O4 calcined at 750 ℃ have single spinel phase.NiFe2O4 nanoparticles are similar sphere,uniform in size and good in dispersion.After doping Zn2+ ions,the particle size increases and a small amount of agglomeration occurs.With the increasing of Zn2+ ions,saturation magnetization(Ms)increased first and then decreased with a maximum value of 65.63 emu· g-1 at x=0.4.Synchronously,coercivity Hc decrease monotonously,the higher value of Hc was up to 196.09 Oe when x=0.关键词
NiZn铁氧体/溶胶-凝胶法/磁性质/纳米颗粒Key words
NiZn ferrite/sol-gel method/magnetic property/nanoparticles分类
数理科学引用本文复制引用
潘伟伟,张杨,罗月娥,刘世华..溶胶-凝胶法制备Ni1-xZnxFe2O4及其Zn2+掺杂对磁性质的影响[J].西北师范大学学报（自然科学版）,2017,53(6):37-41,5.基金项目
国家自然科学基金资助项目(11665009) （11665009）
贵州省科技厅自然科学研究项目(黔科合J字[2014]2143) （黔科合J字[2014]2143）
贵州省科技厅科技计划资助项目(黔科合基础[2017]1132) （黔科合基础[2017]1132）
贵州师范学院自然科学研究基金资助项目(13BS014) （13BS014）
