Problems of Manufacturing Nanocrystalline Yttrium Silicate Materials

Technology of producing single crystal scintillators is rather a hard and complex technological task connected with a very low output issue (15-50%) of the material and the restricted area of its application. Recent efforts of scientists are directed toward searching for alternative ways for produci...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 2009-06, Vol.56 (3), p.972-976
Main Authors: Nadaraia, L., Jalabadze, N., Chedia, R., Kukava, T., Mikeladze, A., Khundadze, L.
Format: Article
Language:English
Subjects:
Amorphous materials
Ceramics
Crystalline materials
Crystallization
Manufacturing
Nanocrystalline materials
Nanocrystals
Nanostructured materials
nanotechnology
Phosphors
Powder metallurgy
Powders
Scintillation
scintillators
Silicates
Single crystals
sintering
sol-gel process
SPS
synthesis
Tasks
Temperature
Yttrium
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Summary:Technology of producing single crystal scintillators is rather a hard and complex technological task connected with a very low output issue (15-50%) of the material and the restricted area of its application. Recent efforts of scientists are directed toward searching for alternative ways for producing these materials. It was established that high-performance ceramic scintillation materials for producing the scintillators could be prepared by using powder metallurgy techniques. However despite of certain achievements in this area, transparency of ceramic scintillators is still under the question. In our opinion a key to the solution of the problem lies in preparing scintillators in nanocrystalline structural state. A technology developed on the basis of the modified Sol-Gel method shows possibilities of manufacturing number of standard (as well as new hard to obtain as single crystals) scintillation materials. Present work is dedicated to the problems of manufacturing yttrium orthosilicate (Y 2 SiO 5 )-as of one of the perspective scintillation materials.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2009.2016961