Composition,morphology, and properties of sodium-bismuth tungstate crystals |
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| Authors: | Nefedov P V Leonyuk N I |
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| Institution: | (1) All-Russia Research Institute for the Synthesis of Minerals, Institutskaya ul., 1, Alexandrov, Vladimir oblast, 601650, Russia;(2) Moscow State University, Moscow, 119992, Russia |
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| Abstract: | A correlation has been revealed between the formation conditions, composition, morphology, and physicochemical properties of NaBi1 ? x
(W1 + y
O4)2 crystals (0 ≤ x ≤ 0.16, 0 ≤ y ≤ 0.11). The effect of melt deviation from stoichiometry on the decomposition rate of grown crystals under electron beam irradiation is shown by transmission electron microscopy. A nonuniform dopant distribution over the crystal boule cross-section is found by microprobe analysis. The Raman spectra of the samples depend on their crystallographic orientation. |
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