Перегляд за автором "Nizhankovsky, S.V."

Результати 1-8 з 8

Formation of the spinel structure (AIAI₂О₄) phase on sapphire surface

Sidelnikova, N.S.; Rom, M.A.; Dan‘ko, A.Ya.; Nizhankovsky, S.V.; Sirik, U.V.; Krivonogov, S.I. (Functional Materials, 2004)

A phenomenon of transformation of sapphire surface layer with the formation of a new cubic phase of spinel (AIAI₂О₄) structure as a result of high temperature reducing annealing has been revealed. The result of microscopic ...
Growing of sapphire for optics and optoelectronics by the HDC method in a protective atmosphere

Dan`ko, A.Ya.; Nizhankovsky, S.V.; Kanischev, V.N.; Sidelnikova, N.S.; Adonkin, G.T.; Puzikov, V.M.; Grin, L.A. (Functional Materials, 2006)

The gas environment process formation in the furnace for sapphire growth by horizontal directional crystalliztion equipped by a graphite heating assembly has been studied during the evacuation and the inert gas (Ar, He) ...
Growth and optical properties of Al₂O₃-delta:Nₓcrystals

Kaltaev, Kh.Sh.-ogly; Sidelnikova, N.S.; Nizhankovsky, S.V.; Dan`ko, A.Ya.; Budnikov, A.T. (Functional Materials, 2010)
Optical and luminescence characteristics of YAG:Ce crystals grown by horizontal directed crystallization in reducing gas medium

Nizhankovsky, S.V.; Dan`ko, A.Ya.; Puzikov, V.M.; Savvin, Yu.N.; Trushkovsky, A.G.; Krivonogov, S.I. (Functional Materials, 2008)

The optical and luminescence characteristics of YAG:Ce crystals grown first using the gas phase horizontal directed crystallization in reducing gas media developed by the authors have been studied. A correlation has been ...
Phase transformations at reduction of corundum

Dan`ko, A.Ya.; Rom, M.A.; Sidelnikova, N.S.; Kaltaev, Kh.Sh.; Nizhankovsky, S.V.; Fedorov, A.I. (Functional Materials, 2007)

Research results are presented on the corundum structure transformation caused by reducing annealing. The annealing at 1500-2000°C in Ar atmosphere at CO + H₂ concentration 0.1-10 vol.% and N₂ 0.1-0.4 vol.% has been found ...
Phase transformations of alpha-Al₂O₃ during annealing in a reducing atmosphere

Dan`ko, A.Ya.; Rom, M.A.; Sidelnikova, N.S.; Nizhankovsky, S.V.; Grin`, L.A. (Functional Materials, 2005)

Study results of corundum structure transformations due to annealing of a-AI₂О₃ in Ar atmosphere containing a reducing component (СО + Н₂) at 1700-1900 ℃ are presented. It has been found that a polycrystalline layer ...
Thermochemical etching of sapphire in CO+H₂ gas atmosphere

Kaltaev, Kh.Sh.-ogly; Sidelnikova, N.S.; Dan`ko, A.Ya.; Budnikov, A.T.; Nizhankovsky, S.V. (Functional Materials, 2010)
Transient mode features at sapphire growing by horizontal directional crystallization

Barannik, S.V.; Kanischev, V.N.; Nizhankovsky, S.V.; Stepanenko, A.M. (Functional Materials, 2009)

The behavior of the crystal/alumina melt boundary has been studied at the start and final stages of sapphire growing by horizontal directional crystallization. At a constant pulling speed of the crystal into the cold zone, ...

Результати 1-8 з 8

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Перегляд за автором "Nizhankovsky, S.V."

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Перегляд за автором "Nizhankovsky, S.V."

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