Abstract
Abstract The magnetic circular dichroism of the absorption (MCDA) and optically detected electron paramagnetic resonance (EPR) of a vandium impurity in 6H-silicon carbide were measured. Optical absorption bands observed previously in the spectral range between 7150 to 9000 cm-1 were identified as belonging to the VSi4+ defects on three sites in SiC, which were investigated previously with conventional EPR. From the MCDA measurements follows that the electron spin of the VSi4+ impurities is S = 1 2 on all three defect sites.
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