19 October 2006 Investigation of nano-domain structure of barium sodium niobate crystals by means of light scattering methods
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Abstract
It were performed light scattering measurements of barium sodium niobate crystals from 20 to 800°C and connected these results to studies of x-ray and transmission electron microscop with emphasis upon behavior of nanodomain structure (S. Mori et al. and J. M. Kiat et al.). Using of the 90°- elastic light scattering investigation and far field observation it were clarified the relation between behavior anomalies of light scattering and evolution of the microdomain structures of BSN. It is correlation between temperature transformations of microdomains and anomalies on the temperatures curves of the elastic light scattering intensity at about 200, 240 and 300°C. The phase transition near 500°C could be explained by appearance of a new incommensurate phase. It is the consistent with the structural investigation Pan Xiao-qing et al. by means transmission electron microscopy method.
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S. V. Ivanova, "Investigation of nano-domain structure of barium sodium niobate crystals by means of light scattering methods", Proc. SPIE 6370, Nanomaterial Synthesis and Integration for Sensors, Electronics, Photonics, and Electro-Optics, 63701N (19 October 2006); doi: 10.1117/12.685359; https://doi.org/10.1117/12.685359
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