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Chemical synthesis of a new tin dioxide based (SnO2 : Co, Al, Nb) varistor

Published online by Cambridge University Press:  31 January 2011

P. N. Santhosh
Affiliation:
Physical Chemistry Division, National Chemical Laboratory, Pune 411 008, India
H. S. Potdar
Affiliation:
Physical Chemistry Division, National Chemical Laboratory, Pune 411 008, India
S. K. Date*
Affiliation:
Physical Chemistry Division, National Chemical Laboratory, Pune 411 008, India
*
a)Address all correspondence to this author. NCL Communication No. 6364.
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Abstract

A new varistor composition based on SnO2 doped with Co, Al, and Nb has been successfully synthesized by a chemical route. It exhibits excellent nonlinear current-voltage (I-V) characteristics with α ≈ 72 and E1mA ≈ 1820 V/mm.

Type
Articles
Copyright
Copyright © Materials Research Society 1997

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References

REFERENCES

1.Eda, K., IEEE Electrical Ins. Mag. 5, 28 (1989).CrossRefGoogle Scholar
2.Gupta, T. K., J. Am. Ceram. Soc. 73, 1817 (1990), and the References therein.CrossRefGoogle Scholar
3.Carlson, W. G. and Gupta, T. K., J. Appl. Phys. 53, 5746 (1982).CrossRefGoogle Scholar
4.Eda, K., Eguchi, H., Okinaka, H., and Matsuoka, M., Jpn. J. Appl. Phys. 22, 202 (1983).CrossRefGoogle Scholar
5.Santhosh, P. N., Kharat, D. K., and Date, S. K., Mater. Lett. (1996).Google Scholar
6.Nakano, Y. and Ichinose, N., J. Mater. Res. 5, 2910 (1990).CrossRefGoogle Scholar
7.Lauf, R. J. and Bond, W. D., Ceram. Bull. 63, 278 (1994).Google Scholar
8.Hohenberger, G. and Tomandl, G., J. Mater. Res. 7, 546 (1992).CrossRefGoogle Scholar
9.Hingorani, S., Shah, D. O., and Multani, M. S., J. Mater. Res. 10, 461 (1995).CrossRefGoogle Scholar