Synthesis and study of new inorganic substances and materials / Laboratory of high-purity substances
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Description
Main areas of workDevelopment of physicochemical bases for the production of high-purity substances and materials based on arsenic and gallium, glassy fluorides of heavy metals, silicates with the structure of apatite, chalcogenides with the structure of spinel for use in semiconductor technology and laser optics.
Synthesis and study of physicochemical and optical properties of materials with a short phonon spectrum based on halides of elements of groups I-IV, activated by RE ions.
Synthesis of inorganic compounds and the development on their basis of new luminescent materials containing optically active 3d ions and 4f elements.
Investigation of the influence of chemical composition and crystal structure on the spectroscopic properties of luminescent materials and the transfer of excitation energy between optically active ions.
The most significant results
The physico-chemical bases of the processes and the technology for the production of high-purity arsenic and gallium-containing compounds have been developed; The focus is on processing lewisite detoxification products into high-purity arsenic and its compounds.
The fundamentals of obtaining fluorocirconate glasses doped with REE have been developed using composition modifications to create effective active optical media in a wide spectral range, as well as converters of infrared radiation into the visible spectral region to increase the efficiency of solar cells and excite photocatalysts.
A hydrothermal method has been developed for the synthesis of complex fluorides of alkaline and rare-earth elements in the form of fine-crystalline powders and bulk crystals of high optical quality containing optically active ions, which made it possible to take priority in the study of the luminescent properties of this group of inorganic compounds at various excitation energies.
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