BaTiO3 and Ba0.77Ca0.27TiO3 doped with Rhodium: quantitative determination of charge transfer parameters by EPR-based defect studies

M. Meyer; C. Veber; O. F. Schirmer; G. I. Malovichko; V. G. Grachev; M. Kaczmarek

doi:10.1364/PEMD.2003.124

Photorefractive Effects, Materials, and Devices
OSA Trends in Optics and Photonics (Optica Publishing Group, 2003),
paper 124
•https://doi.org/10.1364/PEMD.2003.124

BaTiO₃ and Ba_0.77Ca_0.27TiO₃ doped with Rhodium: quantitative determination of charge transfer parameters by EPR-based defect studies

M. Meyer, C. Veber, O. F. Schirmer, G. I. Malovichko, V. G. Grachev, and M. Kaczmarek

Photorefractive Effects, Materials, and Devices 2003

La Colle sur Loup France
ISBN: 1-55752-755-5

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Material Characterization: Inorganic (MCI)

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M. Meyer, C. Veber, O. F. Schirmer, G. I. Malovichko, V. G. Grachev, and M. Kaczmarek, "BaTiO3 and Ba0.77Ca0.27TiO3 doped with Rhodium: quantitative determination of charge transfer parameters by EPR-based defect studies," in Photorefractive Effects, Materials, and Devices, P. Delaye, C. Denz, L. Mager, and G. Montemezzani, eds., Vol. 87 of OSA Trends in Optics and Photonics (Optica Publishing Group, 2003), paper 124.

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Abstract

A detailed knowledge about the defects in an electro-optic material is necessary to understand and steer its photorefractive performance. If applicable, electron paramagnetic resonance (EPR) can furnish the most detailed information about many properties of defects. With the infrared sensitive materials BaTiO₃ and Ba_0.77Ca_0.23TiO₃, both doped with rhodium, we shall exemplify how the defect related charge transfer parameters can be determined on this basis. They allow to predict the photorefractive behavior of the materials. All these data are derived from EPR-based defect studies alone.

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