LUMINESCENCE OF Еu3+ IONS FROM YTTRIUM ALUMINA FILMS ON FUSED SILICA SUBSTRATES
Abstract
The films of europium doped yttrium alumina composites (YAG:Eu) with europium concentration 0.020, 0.025, 0.030 M were synthesized using the sol-gel technique. The films were fabricated by spinning on fused silica followed by heat treatment. It is shown, that after the heat treatment within the temperature range of 800-1200 °С for 30 min the films reveal luminescence bands in the visible range, corresponding to the optical transitions5D0 →7Fj (j=0,..,4) of trivalent erbium ions. The films are X-ray amorphous, whereas the powder formed from one of the used sols with europium concentration of 0.02 M is in crystalline phase Y3Al5O12 after the heat treatment at 1000°C. The practical application of the obtained europium doped yttrium alumina composites as converters transforming ultraviolet irradiation into visible range and for other photonic structures is discussed.
Keywords
европий,
золь-гель метод,
гранат,
люминесценция,
пленка,
порошок,
europium,
sol-gel method,
garnet,
luminescence,
film,
powder
About the Authors
J. C. Villegas Brito
Belarusian State University of Informatics and Radioelectronics
Russian Federation
Russian Federation
N. V. Gaponenko
Belarusian State University of Informatics and Radioelectronics; National Research Nuclear University MEPhI
Russian Federation
Russian Federation
K. S. Sukalin
Belarusian State University of Informatics and Radioelectronics
Russian Federation
Russian Federation
T. F. Raichenok
B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus
Russian Federation
Russian Federation
S. A. Tikhomirov
B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus
Russian Federation
Russian Federation
V. A. Yankovskaya
B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus
Russian Federation
Russian Federation
N. I. Kargin
B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus
Russian Federation
Russian Federation
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Review
For citations:
Villegas Brito J.C., Gaponenko N.V., Sukalin K.S., Raichenok T.F., Tikhomirov S.A., Yankovskaya V.A., Kargin N.I. LUMINESCENCE OF Еu3+ IONS FROM YTTRIUM ALUMINA FILMS ON FUSED SILICA SUBSTRATES. Zhurnal Prikladnoii Spektroskopii. 2017;84(4):655-659. (In Russ.)
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