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ABSTRACT
In the present work, we aimed to find the correlation between the distribution of Ca, Ba and Sr over the volume and ferroelectric properties of CSBN materials. As a result, it is shown that in the CSBN25 which is characterized by relaxor properties there exists smaller excess oxygen compared with CSBN50 and CSBN75 crystals. CSBN25 also have more nonuniform distribution of elements, which occupy the same position (A1) in tetragonal tungsten bronze structure.
Acknowledgment
The CSBN single crystals were grown at the Institute of Electronic Materials Technology (Poland) under the guidance of Prof. T. Lukasiewicz.
Funding
This work was done under the government assignment of Russian Ministry of Science and Education No 11.1937-2014/K and No 3.8032.2017/BCh.