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Pulsed laser deposition of BaTiO3 thin films and their optical properties
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1995
Year
Optical MaterialsEngineeringLaser ApplicationsLaser DepositionThin Film Process TechnologyBirefringence ShiftOptical PropertiesPulsed Laser DepositionEpitaxial GrowthBatio3 Thin FilmsThin Film ProcessingMaterials ScienceOxide ElectronicsLaser-assisted DepositionAdvanced Laser ProcessingSurface ScienceApplied PhysicsThin FilmsLaser Repetition Rate
Highly oriented a-axis BaTiO3 thin films were grown by pulsed laser deposition on (001) MgO substrates. The full width at half-maximum of the (200) BaTiO3 rocking curve was as narrow as 0.6°. A large hysteretic quadratic electro-optic effect was observed in a transverse geometry at 6328 Å. A birefringence shift up to 3×10−3 was measured at an applied dc electric field of 1 kV/mm. It was found that laser repetition rate plays an important role on the surface morphology of the deposited films.