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Proceedings Paper

Synthesis of copper-activated zinc sulphide phosphors sensitive to beta radiation
Author(s): Elisabeth-Jeanne Popovici; Flavia Forgaciu; Cristina Ciocan; Ligia Pascu; D. Angelescu; C. Postolache
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Paper Abstract

Attempts were made to synthesize copper activated zinc sulphide phosphors sensitive to (beta) -radiation. In this purpose, homogeneous synthesis mixtures were prepared from luminescent grade zinc sulphide - thiosulfate route -, copper nitrate and alkaline and/or alkaline-earth chloride and were fired at 800-900 degrees C, in nitrogen atmosphere. ZnS:Cu,Cl phosphors prepared in various synthesis conditions were characterized by crystalline structure, particle size distribution and luminescent properties under UV excitation. Some ZnS:Cu,Cl sample phosphors were used to manufacture radioluminescent sources and their sensitivity of (beta) radiation was estimated. The optimum synthesis conditions were established.

Paper Details

Date Published: 23 February 2000
PDF: 6 pages
Proc. SPIE 4068, SIOEL '99: Sixth Symposium on Optoelectronics, (23 February 2000); doi: 10.1117/12.378658
Show Author Affiliations
Elisabeth-Jeanne Popovici, Institute of Chemistry (Romania)
Flavia Forgaciu, Institute of Chemistry (Romania)
Cristina Ciocan, Institute of Chemistry (Romania)
Ligia Pascu, Institute of Chemistry (Romania)
D. Angelescu, Institute of Physical Chemistry (Romania)
C. Postolache, Institute of Physics and Nuclear Engineering (Romania)

Published in SPIE Proceedings Vol. 4068:
SIOEL '99: Sixth Symposium on Optoelectronics
Teodor Necsoiu; Maria Robu; Dan C. Dumitras, Editor(s)

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