Abstract
The diluted magnetic semiconductor alloys Cd 1-x Fe x Te, with x equal to 0.01, 0.02, 0.03, and 0.05, are studied by 113 Cd and 125 Te static and magic-angle-spinning (MAS) NMR spectroscopy at room temperature. The NMR spectra consist of frequency lines that are shifted by neighboring paramagnetic ions via the transfer hyperfine interaction. Assignments of all lines are suggested and their intensities are correlated to the probabilities of finding iron atoms in well-distinguishable conformational positions with respect to the observed nuclei. These assignments are consistent with a random distribution of magnetic ions in the zinc-blende crystal structure of Cd 1-x Fe x Te
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