Domain growth kinetics in lithium niobate single crystals studied by piezoresponse force microscopy

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Title: Domain growth kinetics in lithium niobate single crystals studied by piezoresponse force microscopy
Authors: Rodriguez, Brian J.
Nemanich, R. J.
Kingon, A. I.
et al.
Permanent link: http://hdl.handle.net/10197/5350
Date: Jan-2005
Abstract: The kinetics of sidewise domain growth in an inhomogeneous electric field has been investigated in stoichiometric LiNbO3 single crystals by measuring the lateral domain size as a function of the voltage pulse magnitude and duration using piezoresponse force microscopy. The domain size increases linearly with the voltage magnitude suggesting that the domain size is kinetically limited in a wide range of pulse magnitudes and durations. In spite of that, the written domains exhibit strong retention behavior. It is suggested that the switching behavior can be described by the universal scaling curve. Domain kinetics can be described as an activation process by calculating the field distribution using the charged sphere model under the assumption of an exponential field dependence of the wall velocity. The activation energy is found to be a function of the external field.
Type of material: Journal Article
Publisher: American Institute of Physics
Copyright (published version): 2005 American Institute of Physics
Keywords: Domain kinetics;Piezoresponse force microscopy
DOI: 10.1063/1.1845594
Language: en
Status of Item: Peer reviewed
Appears in Collections:Physics Research Collection

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