Title: Ferroelectric domain gratings and Barkhausen spikes in potassium lithium tantalate niobate
Abstract: The observation of Barkhausen current spikes during the recording of volume phase holograms in potassium lithium tantalate niobate is reported on. These spikes are due to the ferroelectric domain reversal induced by photorefractive space charge fields. Both “small” (1 nA) and “large” (100 nA) spikes are observed, which correspond to micro and macro domain reversal, respectively. The diffraction efficiency can change as much as 50% during a single macrodomain switching.
Publication Year: 1997
Publication Date: 1997-04-28
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 3
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