Journal of Electroceramics

, Volume 17, Issue 2–4, pp 247–253 | Cite as

IV relations in semiconductors with ionic motion

1. Informatics: Dielectrics, Ferroelectrics, and Piezoelectrics


Semiconductors with mobile donors and acceptors are mixed-ionic-electronic-conductors, MIECs, which exhibit peculiar electronic (electron/hole), Ie, current-voltage relations. This is a result of the redistribution of the ions under the applied electrical potential. MIECs are usually ionic materials which exhibit relative low electron/hole mobilities as compared to the materials used in the semiconductor industry. However, thin layers of MIECs exhibit a low resistance and fast response and become of increasing interest.

The IeV relations are discussed for a few typical examples. It is shown that they depend on the energy band gap as when it is large, the semiconductor is either p-type or n-type. The IeV relations depend also on the nature of the electrodes, whether blocking for ion exchange or not. Experimental results for Cu2O are presented and analyzed using one of the models discussed.


I-V relations MIEC Semiconductor PLEC Cu2


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© Springer Science + Business Media, LLC 2006

Authors and Affiliations

  1. 1.Physics Department, Technion-IITHaifaIsrael

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