Dynamics of light emission in CdMnS nanoparticles

Polish Academy of Sciences
Publication Type:
Journal Article
ACTA Physica Polonica, 2005, 108 (4), pp. 681 - 688
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We demonstrate coexistence of slow and fast components of photoluminescence decay of the Mn²^(+) intra-shell emission in nanoparticles of CdMnS. We explain the observed decrease in PL lifetime of the Mn²^(+) intra-shell transition by high efficiency of spin dependent magnetic interactions between localized spins of Mn²^(+) ions and free carriers. This mechanism is enhanced in nanostructures, but it is also present in bulk samples.
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