Doping effects on the magnetic resonance of ZnFe2O4 and NiFe2O4

被引：2
|
作者：
Lin, L. [1 ]
Hsu, K. H. [2 ]
Lin, J. G. [2 ,3 ]
机构：
[1] Natl Changhua Univ Educ, Dept Phys, Changhua 500, Taiwan
[2] Natl Taiwan Univ, Ctr Condensed Matter Sci, Taipei 106, Taiwan
[3] Natl Taiwan Univ, Ctr Nanostorage Res, Taipei 106, Taiwan
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2006年 / 304卷 / 01期
关键词：
Magnetic resonance; Ferrites; Doping effect;
D O I：
10.1016/j.jmmm.2006.02.069
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, the magnetic resonance (MR) of Fe(3)O(4), ZnFe(2)O(4), and NiFe(2)O(4) is measured in order to investigate the doping effects of Zn and Ni. Our results clearly demonstrate a distinct difference in the dynamic behaviors of resonance field and resonance linewidth among these three samples. Based on the data of g-factor vs. temperature, the magnetic coupling in Fe(3)O(4) and NiFe(2)O(4) is much larger than that of ZnFe(2)O(4). Furthermore, the MR spectrum of ZnFe(2)O(4) splits into two lines above 170 K. The possible mechanism causing the dramatically different patterns of magnetic phases in these samples is discussed. (C) 2006 Elsevier B. V. All rights reserved.
引用
收藏
页码：E467 / E469
页数：3
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