Photorefractive and domain gratings in barium titanate
- 20 December 1993
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 63 (25) , 3399-3401
- https://doi.org/10.1063/1.110153
Abstract
We present concrete evidence for the formation of ferroelectric domain gratings induced by photorefractive space-charge electric fields in top-seeded solution-grown barium titanate crystals. These domain gratings are not destroyed by light and, by applying a field, can be reconverted into photorefractive gratings that diffract much more light than the photorefractive gratings that create them, as much as 67% of an incident beam.Keywords
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