Self-propagating high-temperature synthesis of Lu2O3 powders for optical ceramics


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Abstract

A technique has been developed for the self-propagating high-temperature synthesis of lutetium oxide (Lu2O3) powders using citric acid, glycine, and lutetium acetate as fuels. We have carried out thermodynamic analysis of synthesis conditions and examined the effect of the nature of the fuel on the properties of the resultant powders. Using vacuum sintering at a temperature of 1780°C and powders prepared with glycine as a fuel and containing 25 mol % yttrium oxide and 5 mol % lanthanum oxide as sintering aids, we have obtained transparent lutetium oxide-based ceramics.

About the authors

D. A. Permin

Devyatykh Institute of Chemistry of High-Purity Substances

Author for correspondence.
Email: permin@ihps.nnov.ru
Russian Federation, ul. Tropinina 49, Nizhny Novgorod, 603950

A. V. Novikova

Devyatykh Institute of Chemistry of High-Purity Substances

Email: permin@ihps.nnov.ru
Russian Federation, ul. Tropinina 49, Nizhny Novgorod, 603950

E. M. Gavrishchuk

Devyatykh Institute of Chemistry of High-Purity Substances

Email: permin@ihps.nnov.ru
Russian Federation, ul. Tropinina 49, Nizhny Novgorod, 603950

S. S. Balabanov

Devyatykh Institute of Chemistry of High-Purity Substances

Email: permin@ihps.nnov.ru
Russian Federation, ul. Tropinina 49, Nizhny Novgorod, 603950

A. A. Sorokin

Institute of Applied Physics

Email: permin@ihps.nnov.ru
Russian Federation, ul. Ulyanova 46, Nizhny Novgorod, 603950

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