Applied Physics Letters · 1989 · 97 citations · 5 references
Natural SciencesMaterials EngineeringMaterials ScienceElectronic MaterialsOptical MaterialsSemiconductor MaterialsCrystal Field TheoryElectronic Band StructureLuminescent MaterialsRare-earth-doped MaterialsSilicon MaterialsCrystal Field Effects On Spin-orbit CouplingCrystal-field EffectsRare-earth Ion Site SymmetryRare-earth-doped CrystalsRare-earth-doped Host MaterialsRare-earth-doped Luminescent MaterialsRutherford ScatteringSymmetries
Rare-earth element erbium implanted into silicon was studied by photoluminescence and Rutherford backscattering analysis. Two sets of luminescent bands related to the weakly crystal field split spin-orbit levels 4I13/2→4I15/2 of Er 3+ (4f 11) at different lattice sites having different symmetries were observed.
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