Nanophosphors with Partially Polymerized SiO4 Tetrahedra Produced by Evaporation of Ca2Y8 (SiO4)6O2: Eu Polycrystals
American Journal of Materials Synthesis and Processing
Volume 2, Issue 2, March 2017, Pages: 28-31
Received: Jun. 24, 2016; Accepted: Apr. 14, 2017; Published: Apr. 27, 2017
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Authors
Мikhail Georgievich Zuev, Institute of Solid State Chemistry, Ural Branch of Russian Academy of Sciences, Ekaterinburg, Russia
Vladislav Genrikhovich Il'ves, Ural Federal University Named After First President of Russia B. N. Yeltsin, Ekaterinburg, Russia; Institute of Electrophysics, Ural Branch of Russian Academy of Sciences, Ekaterinburg, Russia
Sergey Yurievich Sokovnin, Ural Federal University Named After First President of Russia B. N. Yeltsin, Ekaterinburg, Russia; Institute of Electrophysics, Ural Branch of Russian Academy of Sciences, Ekaterinburg, Russia
Elena Yuryevna Zhuravleva, Ural Federal University Named After First President of Russia B. N. Yeltsin, Ekaterinburg, Russia
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Abstract
Nanophosphors in the amorphous state were produced for the first time by pulsed electron beam evaporation of micrometer-sized polycrystalline phosphors of the composition Ca2Y8 (SiO4)6O2: Eu. It was found that the Raman spectrum is modified and the forbidden band width of the samples increases when the particle size lowers from micro- to nanodimensional state. The spectral luminescent characteristics in polycrystalline and amorphous states have been examined. It was established that during the transition to nanoamorphous state the phosphors change their photoluminescence color from red-orange (Eu3+) to blue (Eu2+).
Keywords
Nanophosphor, Microscopy, Raman Spectra, luminescence, Eu3+, Eu2+
To cite this article
Мikhail Georgievich Zuev, Vladislav Genrikhovich Il'ves, Sergey Yurievich Sokovnin, Elena Yuryevna Zhuravleva, Nanophosphors with Partially Polymerized SiO4 Tetrahedra Produced by Evaporation of Ca2Y8 (SiO4)6O2: Eu Polycrystals, American Journal of Materials Synthesis and Processing. Vol. 2, No. 2, 2017, pp. 28-31. doi: 10.11648/j.ajmsp.20170202.13
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Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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