Electrical properties of Zr4+-substituted Mg-Zn ferrites
✍ Scribed by R. B. Pujar; S. N. Kulkarni; B. K. Chougule
- Publisher
- Springer
- Year
- 1996
- Tongue
- English
- Weight
- 212 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0261-8028
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## Abstract Three types of zinc ferrite samples ZnFe~2–__x__~ Y__~x~__ O~4~ (__x__ = 0, 0.3 and 0.6) and two of nickel–zinc ferrites Ni~0.5~Zn~0.5~Fe~2–__x__~ Y__~x~__ O~4~ (__x__ = 0 and 0.3) were prepared by a low‐temperature chemical co‐precipitation method in order to examine the influence of y
The electrical resistivity, p, and Seebeck coefficient, a, for the system Cul +xSixFe2\_2x04 (where x= 0.05, 011,0.15, 0.2 and 0.3) have been studied as a function of temperature. Temperature variation of the resistivity exhibits two breaks. Each break is associated with a change in activation energ