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Theory Of ZnO Varistors

Published online by Cambridge University Press:  15 February 2011

G.D. Mahan
G.D. Mahan*
Affiliation:
Physics Department, Indiana University, Bloomington, Indiana 47405 U.S.A.
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Extract

The theory of ZnO varistors has evolved along with the increasingly detailed experimental description [1-2]. The extreme nonlinearity in the currentvoltage curves naturally led the early investigators to suggest the well-known nonlinear mechanisms, such as space-charge limited currents or electron tunneling. Later experiments made these first proposals untenable [3-9]. Recently a second generation of theories has been proposed, with many different mechanisms suggested for the extreme nonlinearity [10-15]. Here we wish to review these different theories, and also the experiments which bear upon their validity.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 5: Symposium B – Grain Boundaries in Semiconductors , 1981 , 333
Copyright
Copyright © Materials Research Society 1982

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References

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