王鹭杰;王丽丽;曹晓琴;李山东;赖发春;黄志高;

• 1:福建师范大学物理与能源学院
• 2:青岛大学物理科学学院

摘要(Abstract)：

通过溶胶-凝胶法用1 100℃低温烧结制得了(Y3-xCax)(Fe5-xZrx)O12纳米颗粒.利用谢乐公式计算得未掺杂YIG样品的平均粒径为88.6 nm,XRD结果表明掺杂样品均为YIG纯相.VSM表征发现当掺杂量x=0.3时,样品的Ms值最大,达到28.4 Am2·kg-1,继续增大掺杂量,由于超交换作用削弱导致磁性减弱;样品的Hc随掺杂量增大呈减小趋势.综合Ms值和Hc值,认为当x=0.3时,样品的磁性能最好,此时Ms=28.4 Am2·kg-1,Hc=1.69 k A·m-1.

关键词(KeyWords)： YIG;溶胶-凝胶法;低温烧结;掺杂;磁性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(11374052);国家自然科学基金青年科学基金资助项目(51202031);; 福建省教育厅科技项目(JB14029)

作者(Authors): 王鹭杰;王丽丽;曹晓琴;李山东;赖发春;黄志高;

参考文献(References)：

• [1]宋开新,徐军明,郑梁,等.微波铁氧体材料及其应用[J].材料导报:综述篇,2009,23(6):45-49.
• [2]Niyaifar M,Beitollahi A,Shiri N,et al.Effect of indium addition on the structure and magnetic properties of YIG[J].Journal of Magnetism and Magnetic Materials,2010,322:777-779.
• [3]Xu Q M,Liu W B,Hao L J,et al.Effects of in-substitution on the microstructure and magnetic properties of Bi-CVG ferrite with low temperature sintering[J].Journal of Magnetism and Magnetic Materials,2010,322:2276-2280.
• [4]Wang J,Jin Y,Yang J,et al.Effect of Zr O2addition on the microstructure and electromagnetic properties of YIG[J].Journal of Magnetism and Magnetic Materials,2011,509:5853-5857.
• [5]Huang Y,Yang J,Qiu T,et al.Effects of Zr-substitution on microstructure and properties of YCa VIG Ferrites[J].Journal of Magnetism and Magnetic Materials,2011,324:934-938.
• [6]王加仟,杨建,金宇龙,等.石榴石型微波铁氧体材料的研究进展[J].电子元件与材料,2010,29(6):69-73.
• [7]曾丽文,徐光亮,卢超,等.低温烧结YIG多晶铁氧体的研究现状[J].电子元件与材料,2010,29(4):83-86.
• [8]Wang J,Yang J,Jin Y,et al.Effect of manganese addition on the microstructure and electromagnetic properties of YIG[J].Journal of Rare Earths,2011,29(6):562-566.