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Abstract
In manganese-doped PbWO4 crystals, low-intensity signals of triclinic clusters Mn4+-V O and Fe3+-V Pb have been revealed in addition to signals of Mn2+ tetragonal centers. The Mn4+-V O cluster is formed by a Mn4+ ion in the W6+ position, which is associated with a vacancy of the nearest neighbor O2−ion, and the Fe3+-V Pb cluster consists of a Fe3+ ion substituting for Pb2+ with a local compensation of by a lead vacancy. It has been shown that, in PbWO4: Mn, there is also a small amount of Mn4+ tetragonal centers located in the Pb2+ position with a nonlocal compensation of an excess charge.
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