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Hole capture in PbWO.sub.4./sub.:Mo,La(Y) scintillator crystals
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SYSNO ASEP 0364030 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Hole capture in PbWO4:Mo,La(Y) scintillator crystals Tvůrce(i) Laguta, Valentyn (FZU-D) RID, ORCID
Buryi, Maksym (FZU-D) RID, ORCID
Nikl, Martin (FZU-D) RID, ORCID, SAI
Rosa, Jan (FZU-D) RID
Zazubovich, S. (EE)Zdroj.dok. Physical Review. B - ISSN 1098-0121
Roč. 83, č. 9 (2011), "094123-1"-"094123-5"Poč.str. 5 s. Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova scintillator ; electron spin resonance ; thermally stimulated luminescence ; uv irradiation ; hole localization Vědní obor RIV BM - Fyzika pevných látek a magnetismus CEP IAA100100810 GA AV ČR - Akademie věd CEZ AV0Z10100521 - FZU-D (2005-2011) UT WOS 000288997700001 DOI 10.1103/PhysRevB.83.094123 Anotace The processes of localization in PbWO4:Mo,La(Y) single crystals were investigated by electron spin resonance. It was found that the holes created by uv irradiation are trapped at the regular oxygen ions in the vicinity of perturbing defects such as lead vacancies, impurity ions (La, Y), and other lattice imperfections. This leads to a variety of O- centers which differ in both the thermal stability (from about 160 K up to 240 K) and spectroscopic parameters. The thermal release of such trapped holes and their subsequent recombination with electrons stored at different traps, including (MoO4)3- complexes, are accompanied by the appearance of the thermally stimulated luminescence peaks located at around 190 K and in the 225-250 K range. Pracoviště Fyzikální ústav Kontakt Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Rok sběru 2012
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