Effect of sintering conditions on resistivity and dielectric properties of Ni-Zn ferrites

被引：0
作者：
B. Parvatheeswara Rao
K. H Rao
机构：
[1] andhra University,Department of Physics
来源：
Journal of Materials Science | 1997年 / 32卷
关键词：
Ferrite; Dielectric Constant; Sinter Temperature; Sinter Time; Sinter Condition;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Resistivity and dielectric properties of the nickel-zinc ferrite composition, Ni0.65Zn0.35Fe2O4, have been studied near different sintering conditions to optimize the sintering schedule for a specific application. Variable sintering parameters in the study include sintering temperature in the range from 1150 to 1300°C and sintering time with 1 h, 2 h and 4 h durations at each sintering temperature. The results indicate that the decrease of resistivity is linear and less rapid upto a sintering schedule of 1250°C/2 h, and thereafter any increase either in sintering temperature or in sintering time causes a rapid decrease of resistivity due to the increased volatilization of zinc from the samples at these temperatures/times. Possible mechanisms contributing to conduction processes in ferrites are discussed in explaining the obtained results.
引用
收藏
页码：6049 / 6054
页数：5
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