Control of phase homogeneity of MnZn-ferrite head materials using high temperature static magnetic measurements

被引：0
|
作者：
Pakhomov, AB
Wong, CY
Leung, KP
机构：
[1] Hong Kong Univ Sci & Technol, Magnet Innovat Ctr, Kowloon, Hong Kong, Peoples R China
[2] Lafe Grp, Kowloon, Hong Kong, Peoples R China
来源：
IEICE TRANSACTIONS ON ELECTRONICS | 2001年 / E84C卷 / 09期
关键词：
MnZn ferrite; magnetization curve;
D O I：
暂无
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：
Single crystal MnZn Ferrites are used as core materials for the reader of inductive magnetic heads. Magnetic phase homogeneity of the material is one of the parameters, which affects the quality of the devise. We used static magnetic measurements above the apparent Curie temperature of the Ferrite materials to determine the presence of such phases. High performance samples are non-magnetic at high temperature. In low performance materials, a small but non-zero spontaneous magnetization at high temperature indicates the presence of the second phase.
引用
收藏
页码：1154 / 1157
页数：4
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