Formation of Nanostructured Particles of Cerium-Activated
Yttrium Aluminum Garnet by the Combustion Method

E. N. Poddenezhnyi^a,*, A. O. Dobrodei^a, A. A. Boiko^a, A. V. Zdravkov^b,
E. I. Grishkova^a, and N. N. Khimich^b,**

^a Sukhoi Gomel State Technical University, pr. Oktyabrya 48, Gomel, 246746 Republic of Belarus

*e-mail: podd-evgen@yandex.ru

^b Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences,
nab. Admirala Makarova 2, St. Petersburg, 199034 Russia

**e-mail: khimich@isc.nw.ru

Receives August 2, 2010

Abstract—The synthesis of ultradispersed powders of the yttrium aluminum garnet (activated by ions of
cerium, lithium, silicon, and manganese) by the combustion method in the presence of hexamethylenetetramine
has been optimized. The structural, physicochemical, and spectral-luminescence properties of synthesized
finely dispersed samples have been studied. It has been found that exclusively the phase of garnet Y₃Al₅O₁₂ of
the cubic modification is identified in the products of the synthesis performed under optimum condition.

Keywords: yttrium aluminum garnet, ultradispersed powders, luminescence, white-light-emitting diodes, opti-
cal ceramics, rare-earth elements

DOI: 10.1134/S1087659611050105

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