Influence of oxygen vacancies on the photorefractive effect in barium titanate single crystals

6533b82bfe1ef96bd128d578

RESEARCH PRODUCT

Influence of oxygen vacancies on the photorefractive effect in barium titanate single crystals

Gilles Ormancey Alain Maillard Ahmed Lahlafi P. Jullien

subject

Reduction (complexity)Work (thermodynamics)chemistry.chemical_compound Materials science chemistry Trap density Barium titanate Analytical chemistry chemistry.chemical_element Photorefractive effect Condensed Matter Physics Oxygen Electronic Optical and Magnetic Materials

description

Abstract In this work the influence of the vacancies concentration in pure BaTiO3 single crystals is studied. It is shown that the oxidation and the reduction do not change the electrooptic coefficients. The reduction modifies the nature of the majority carriers. An evaluation of the trap density N is done.

year	journal	country	edition	language
1990-08-01	Ferroelectrics

https://doi.org/10.1080/00150199008018747

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