Journal
IEEE TRANSACTIONS ON NUCLEAR SCIENCE
Volume 56, Issue 4, Pages 1817-1822Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNS.2009.2024678
Keywords
Detector stability; polarization; semiconductor detector; Thallium bromide
Funding
- CNPq-Conselho Nacional de Desenvolvimento Cientifico e Tecnologico
- FAPESP-Fundacao de Amparo a Pesquisa do Estado de Sao Paulo
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In this paper, TlBr detectors with three-electrodes were prepared and their long term stability evaluated as a function of the temperature. Systematic measurements of counting rate were carried out to observe the random pulse formation, due to the polarization effect. Three-electrode detectors presented stability of about 112 h at near room temperature and more than 325 h at 0 degrees C Although the three-electrode detector presents a better performance compared to the two-electrode detector, its stability has been still dependent on the temperature.
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