ELECTRICAL-CONDUCTIVITY OF MN-ZN FERRITES

被引：61
|
作者：
RAVINDER, D [1 ]
LATHA, K [1 ]
机构：
[1] RAILWAY JR COLL,SECUNDERABAD 500017,ANDHRA PRADESH,INDIA
来源：
JOURNAL OF APPLIED PHYSICS | 1994年 / 75卷 / 10期
关键词：
D O I：
10.1063/1.355479
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The electrical conductivity of polycrystalline mixed ferrite system having the chemical formula MnxZn1-xFe2O4 (where x = 0.0, 0.2, 0.4, 0.6, and 0.8) was investigated from room temperature to the neighborhood of the Curie temperature by the two-probe method. The electrical conduction in these ferrites is explained on the basis of the hopping mechanism. Plots of log (sigmaT) verSUS 10(3)/T are almost linear and show a transition near the Curie temperature. The activation energy in the ferrimagnetic region is in general less than that in the paramagnetic region.
引用
收藏
页码：6118 / 6120
页数：3
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