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High detection performance of particle detectors based on SI InP doped with Ti and Zn
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SYSNO ASEP 0323029 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title High detection performance of particle detectors based on SI InP doped with Ti and Zn Title Vysoce účinné detektory alfa částic na bázi SI InP dopované Ti a Zn Author(s) Gorodynskyy, Vladyslav (URE-Y)
Yatskiv, Roman (URE-Y) RID, ORCID
Žďánský, Karel (URE-Y)
Pekárek, Ladislav (FZU-D)Number of authors 4 Source Title IEEE Transactions on Nuclear Science. - : Institute of Electrical and Electronics Engineers - ISSN 0018-9499
Roč. 55, č. 5 (2008), s. 2785-2788Number of pages 4 s. Language eng - English Country US - United States Keywords radiation detection ; InP ; crystal growth Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects KAN400670651 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z10100520 - FZU-D (2005-2011) AV0Z20670512 - URE-Y (2005-2011) UT WOS 000262015800030 DOI 10.1109/TNS.2008.2002887 Annotation In this work, we present results of measurements of spectra of alpha-particles carried out on semi-insulating (SI) InP detectors. The detectors were fabricated from Ti and Zn co-doped SI InP crystals grown by Czochralski technique. Excellent detectors performance has been evaluated by values of charge collection efficiency 99% and energy resolution 1% obtained from the spectra measured at 230 K. Such high performance can be explained by InP doping with suitable Ti atoms and co-doping with low concentration of Zn acceptors sufficient for the full compensation of shallow donors, to reach SI properties. Excellent detector performance and high electron mobility makes the reported InP material promising to be used for the detection of X-rays and radiation. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2009
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