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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Zinc segregation in HPB grown nuclear detector grade Cd
1-x
Zn
x
Te
Journal of Crystal Growth, Volume 197, No. 3, Year 1999
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Description
CZT ingots have been grown by the high pressure Bridgman technique and their zinc concentration has been measured by X-ray fluorescence and PIXE on samples cut at different growth positions. The zinc concentration map has been traced for several wafers showing strong discrepancies along the explored area. The segregation coefficient has been calculated from the experimental data taking a directional freezing model. A very good fitting with experimental values is obtained especially for the PIXE results. Some detectors have been manufactured from the wafers and tested in nuclear detection. It is shown that pair creation energy is modified and that the saturation curve is modified from the head to the tail of the ingot. © 1999 Elsevier Science B.V. All rights reserved.
Authors & Co-Authors
Fougères, P.
France, Chennevières-sur-marne
Eurorad S.a
Chibani, L.
Morocco, Oujda
Faculté Des Sciences D’oujda
Hageali, M.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Koebel, J. M.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Hennard, G.
France, Chennevières-sur-marne
Eurorad S.a
Zumbiehl, A.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Siffert, Paul M.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Benkaddour, Mohammed
Morocco, Oujda
Faculté Des Sciences D’oujda
Statistics
Citations: 8
Authors: 8
Affiliations: 3
Identifiers
Doi:
10.1016/S0022-0248(98)00762-3
ISSN:
00220248
Research Areas
Cancer
Study Approach
Qualitative