High coercivity of Co-ferrite thin films prepared by sol-gel method

被引：6

作者：

Ohashi, Hitoshi ^{[1
]}

Okazaki, Yasuo ^{[1
]}

Ohya, Yutaka ^{[1
]}

Yanase, Shunji ^{[1
]}

Hashi, Shuichiro ^{[1
]}

机构：

[1] Gifu Univ, Fac Engn, Dept Mat Sci, Gifu 5011192, Japan

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2006年 / 42卷 / 10期

关键词：

coercivity; Co-ferrite; sol-gel method; thin film;

D O I：

10.1109/TMAG.2006.879894

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Magnetic properties related to nano-structure have been investigated for sol-gel grown spinel Co-ferrite thin films of which thickness was 200-300 nm cor, trolled by spin coating. The magnetic properties depended on the annealing temperature, and the coercivity of 6.3 kOe was obtained, at 923 K, which is about three times higher than that ever reported in Co-ferrite thin films by sol-gel method. The microstructure trans formed into columnar from granular at the annealing temperature of 923 K, where magnetic anisotropy and high squareness ratio was observed.

引用

页码：2891 / 2893

页数：3

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