Investigation of the photosensitivity of LiNbO3:BaFeO3 crystal

Abdalla M. Darwish; Brent D. Koplitz; E. Jackson; F. Jalbout; A. Jalbout; Mohan D. Aggarwal

doi:10.1117/12.454003

23 January 2002 Investigation of the photosensitivity of LiNbO₃:BaFeO₃ crystal

Abdalla M. Darwish, Brent D. Koplitz, E. Jackson, F. Jalbout, A. Jalbout, Mohan D. Aggarwal

Proceedings Volume 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage; (2002) https://doi.org/10.1117/12.454003
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Ferromagnetic resonance (FMR) absorptions from six fine particle-samples of barium ferrite were studied over a temperature range of -195 degree(s)C to 500 degree(s)C. It was found that the shape of the FMR absorption signal is affected by the particle shape and crystalline anisotropy of each sample. From this analysis, the first magnetic anisotropy constant K₁ was estimated approximately as a function of temperature. The estimation suggested that the value of K₁ was sensitive to the condition of preparation of fine powders. In addition the photosensitivity of the LiNbO₃:BaFe doped crystal was enhanced, suggesting the importance of Barium Ferrite powder as a potential candidate with NOL materials.

Citation Download Citation

Abdalla M. Darwish, Brent D. Koplitz, E. Jackson, F. Jalbout, A. Jalbout, and Mohan D. Aggarwal "Investigation of the photosensitivity of LiNbO₃:BaFeO₃ crystal", Proc. SPIE 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage, (23 January 2002); https://doi.org/10.1117/12.454003

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