0385458 - FZÚ 2013 RIV DE eng J - Journal Article
Laguta, Valentyn - Nikl, Martin - Zazubovich, S.
Lead-vacancy-related hole centers in lead tungstate crystals.
Physica Status Solidi B. Roč. 249, č. 11 (2012), s. 2161-2166. ISSN 0370-1972. E-ISSN 1521-3951
R&D Projects: GA AV ČR IAA100100810
Institutional research plan: CEZ:AV0Z10100521
Keywords : hole centers * lead tungstate * thermally stimulated luminescence
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 1.489, year: 2012

After UV irradiation of PbWO4 crystals at T>140K in the energy range around 4.05 eV, besides the thermally stimulated luminescence (TSL) peak at ≈193K arising from electron {Pb⁺ - V_O} centers, a TSL peak at about 225K appears. We suggest that this ≈225K TSL peak arises from the thermal destruction of non-paramagnetic hole centers of the {VPb+2h}-type (two holes trapped at the oxygen ions in the vicinity of a single lead vacancy VPb).
Permanent Link: http://hdl.handle.net/11104/0214698