Schmidt, T.T.SchmidtMüller, G.G.MüllerSpanhel, L.L.SpanhelKerkel, L.L.KerkelForchel, A.A.Forchel2022-03-032022-03-031998https://publica.fraunhofer.de/handle/publica/19203410.1021/cm9702169en666660Activation of 1.54 mm Er3+ fluorescence in concentrated II-VI-semiconductor cluster environmentsjournal article