Effects of Mn2+ distribution in Cu-modified ZnS on the concentration quenching of electroluminescence brightness
- 23 January 1995
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 66 (4) , 424-426
- https://doi.org/10.1063/1.114044
Abstract
Change in the distribution state of Mn2+ before and after annealing was examined by electron spin resonance (ESR) in order to elucidate the electroluminescence properties of Mn‐doped ZnS modified by Cu. Formation of Mn2+ ion pairs and clusters, as determined from the hyperfine structure of ESR profiles, was revealed to be dominant for concentration quenching.Keywords
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