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Type: Artigo de periódico
Title: Purification And Growth Of Pbi2 Crystals: Dependence Of The Radiation Response On The Pbi2 Crystal Purity
Author: Oliveira I.B.
Costa F.E.
Armelin M.J.
Cardoso L.P.
Hamada M.M.
Abstract: Lead iodide starting materials have been purified by a multipass zone refining process. The effectiveness of the purification method on the material purity was determined by neutron activation analysis after three different purification passes numbers. A significant decrease of the impurities concentration was observed in function of the passes number. The purest material of the zone refined ingots, middle section, was used for crystal growth by Bridgman method. The results of the dark leakage current, the resistivity, and the response of the alpha and gamma radiations were strongly dependent on the purity of the crystal.
Rights: fechado
Identifier DOI: 10.1109/TNS.2002.801483
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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