Growth of bulk gadolinium pyrosilicate single crystals for scintillators

Ce, Pr, and La-doped gadolinium pyrosilicate Gd2Si2O7 (GPS) single crystals were grown by the Czochralski and Top Seeded Solution Growth (TSSG) techniques for the first time. Formation conditions of different pyrosilicate phases were determined. X-ray luminescence integral intensity of Ce-doped GPS...

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Bibliographic Details
Published in:Journal of crystal growth 2011-03, Vol.318 (1), p.805-808
Main Authors: Gerasymov, I., Sidletskiy, O., Neicheva, S., Grinyov, B., Baumer, V., Galenin, E., Katrunov, K., Tkachenko, S., Voloshina, O., Zhukov, A.
Format: Article
Language:English
Subjects:
A1. Crystal structure
A2. Czochralski method
A2. Top Seeded Solution Growth
B1. Oxides
B3. Scintillators
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Crystal growth
Exact sciences and technology
Gadolinium
Geographic information systems
Global Positioning System
Growth from solutions
Luminescence
Materials science
Methods of crystal growth
physics of crystal growth
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of specific thin films
Other luminescence and radiative recombination
Phases
Physics
Satellite navigation systems
Single crystals
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Summary:Ce, Pr, and La-doped gadolinium pyrosilicate Gd2Si2O7 (GPS) single crystals were grown by the Czochralski and Top Seeded Solution Growth (TSSG) techniques for the first time. Formation conditions of different pyrosilicate phases were determined. X-ray luminescence integral intensity of Ce-doped GPS is about one order of magnitude higher in comparison with gadolinium oxyorthosilicate Gd2SiO5:Ce (GSO:Ce). All samples demonstrate temperature stability of luminescence yield up to 400K.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2010.11.047