M. B. Klein, Robert N. Schwartz
Abstract
We have used a number of experimental techniques to identify the photorefractive species in commercial samples of BaTiO3. We find that Fe impurities (in the Fe2+ and Fe3+ states) are the predominant photorefractive species. Techniques for optimizing the photorefractive properties of BaTiO3 are discussed.
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We have used a number of experimental techniques to identify the photorefractive species in commercial samples of BaTiO3. We find that Fe impurities (in the Fe2+ and Fe3+ states) are the predominant photorefractive species. Techniques for optimizing the photorefractive properties of BaTiO3 are discussed.
Key concepts: Photorefractive effect, Impurity, Materials science, Organic photorefractive materials, Optoelectronics, Chemical physics, Optics, Chemistry