Magnetic and electrical properties of manganese and cadmium co-substituted lithium ferrites

被引：19
|
作者：
Verma, Vivek [1 ,2 ]
Gairola, S. P. [1 ]
Mathpal, Mohan C. [1 ]
Annapoorni, S. [2 ]
Kotnala, R. K. [1 ]
机构：
[1] Natl Phys Lab, New Delhi 110012, India
[2] Univ Delhi, Dept Phys & Astrophys, Delhi 110007, India
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 481卷 / 1-2期
关键词：
Ferrites; Magnetization; Permeability; Resistivity; MICROWAVE-INDUCED COMBUSTION; DIELECTRIC-PROPERTIES; CATION DISTRIBUTION; NICUZN-FERRITES; MICROSTRUCTURE; DENSIFICATION; PERMEABILITY; POWDER;
D O I：
10.1016/j.jallcom.2009.03.143
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Manganese and cadmium co-substituted lithium ferrite having the general formulae Li0.35Cd0.3MnxFe2.35-xO4 + 0.10 wt% Bi2O3 with x=0.0, 0.2, 0.4, 0.6, 0.8 and 1.0 has been prepared by standard ceramic technique. M-H curves of all samples have been determined by using vibrating sample magnetometer (VSM). The highest saturation magnetization 79emu/g is observed in Li0.35Cd0.3Fe2.35O4 (Mn = 0) and it decreases with increase in manganese content in the compound. It is observed that the value of initial permeability increases to maximum value similar to 230 for Mn = 0.4 and then decreases with further increase in Mn contents. The dc resistivity of all samples is found in the range of 10(7) Omega cm. (C) 2009 Published by Elsevier B.V.
引用
收藏
页码：872 / 876
页数：5
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