Ferroelectric domain switching in heat-treated LiNbO3crystals
- 1 April 1993
- journal article
- research article
- Published by Taylor & Francis in Ferroelectrics Letters Section
- Vol. 15 (3-4) , 55-60
- https://doi.org/10.1080/07315179308204239
Abstract
The pyroelectric effect and domain structure of heat-treated (Li2O outdiffused) LiNbO3 crystals have been studied. The heat treatment causes a domain inversion and almost total suppression of the pyroelectric current. Non-inverted domains have been observed in the outdiffused inverted layer. Based on the pyroelectric current-temperature dependence it is suggested that these domains are switched by an intrinsic bulk pyroelectric field.Keywords
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