Abstract
After a brief review of the results obtained on ZnS:Sm samples by site selective spectroscopy, different excitation channels and the nonlinear optical behaviour as a function of the excitation density will be described as a background for the following discussion of the unexpected of rare earth (RE) sites in respect to host lattice damage. It will be shown that after an Ar implantation the ZnS emission bands are reduced drastically, whereas the RE luminescence is nearly unchanged. From cathodoluminescence (CL) and dye laser spectroscopy it will be concluded that the dominant RE sites in a II–VI lattice form stable complexes.
Published Version
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