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Structural and morphological characteristics of yttrium and lutetium orthoborates synthesized in thin layers of borate oxide glasses

Published online by Cambridge University Press:  09 July 2012

Viktor V. Kedrov ,
Ivan M. Shmytko ,
Semeon Z. Shmurak ,
Elena A. Kudrenko  and
Nikolay V. Klassen
Viktor V. Kedrov
Affiliation:
Laboratory of Spectroscopy of Defect Structures and Laboratory of Structure Analysis, Institute of Solid State Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow District, Russia
Ivan M. Shmytko*
Affiliation:
Laboratory of Spectroscopy of Defect Structures and Laboratory of Structure Analysis, Institute of Solid State Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow District, Russia
Semeon Z. Shmurak
Affiliation:
Laboratory of Spectroscopy of Defect Structures and Laboratory of Structure Analysis, Institute of Solid State Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow District, Russia
Elena A. Kudrenko
Affiliation:
Laboratory of Spectroscopy of Defect Structures and Laboratory of Structure Analysis, Institute of Solid State Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow District, Russia
Nikolay V. Klassen
Affiliation:
Laboratory of Spectroscopy of Defect Structures and Laboratory of Structure Analysis, Institute of Solid State Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow District, Russia
*
a)Address all correspondence to this author. e-mail: shim@issp.ac.ru
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Abstract

We propose a new method of synthesis of crystalline yttrium and lutetium orthoborates in thin (2.5–20.0 μm thick) layers of molten borate oxide glasses. The method is based on interaction of nanosized lutetium and yttrium oxide powders with boron anhydride in the melt. X-ray diffractometry and electron microscopy investigations have revealed that in the case of lead-content glasses, the method shows a very strong orienting effect in the texture of the resulting orthoborate particles. This highly oriented texture results in good transparency of the obtained glass–ceramic films. Studies of the luminescence and scintillation spectra of the glass–ceramic composites show that they can be used as highly effective phosphors with a light yield comparable to that of single crystalline scintillators.

Keywords

sol-gelx-ray diffraction (XRD)texture
Type
Articles
Information
Journal of Materials Research , Volume 27 , Issue 16 , 28 August 2012 , pp. 2116 - 2121
Copyright
Copyright © Materials Research Society 2012

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References

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