XRD analysis and bulk magnetic properties of Al3+ substituted Cu-Cd ferrites

被引：40
|
作者：
Suryawanshi, SS [1 ]
Deshpande, VV
Deshmukh, UB
Kabur, SM
Chaudhari, ND
Sawant, SR
机构：
[1] Shivaji Univ, Dept Phys, Ctr PG Studies, Solapur 413003, MS, India
[2] Shivaji Univ, Dept Phys, Kolhapur 416004, Maharashtra, India
来源：
MATERIALS CHEMISTRY AND PHYSICS | 1999年 / 59卷 / 03期
关键词：
Cu-Cd ferrites; magnetization; initial permeability;
D O I：
10.1016/S0254-0584(99)00046-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cu0.7Cd0.3AltFe2-tO4 (t = 0, 0.05, 0.1,. . .,0.3) ferrites were prepared by standard ceramic method to investigate the lattice parameter, grain size, magnetization and initial permeability variations as a function of Al3+. Decrease of lattice parameter with Al3+ addition is related to the ionic sizes of the cations. The magnetization is governed by three sublattice model. Temperature variation of susceptibility shows that these ferrites contain a mixture of SD and MD grains. The initial permeability follows the Globus model. The decrease in mu(i) is attributed to a decrease in grain size and increase in K-1. Al3+ substitution causes impedence to the domain wall motion. (C) 1999 Published by Elsevier Science S.A. All rights reserved.
引用
收藏
页码：199 / 203
页数：5
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