Abstract
The magnetic-dipole and electric-quadrupole hyperfine interactions of111Cd probes in fcc cobalt after implantation of radioactive111In+ ions have been investigated by PAC measurements with fast BaF2 detectors. Six different sites of the probe atoms could be distinguished and characterized by their hyperfine parameters and annealing behaviour. Besides the substitutional site, three sites are assigned to In-vacancy complexes which are formed athermally in the implantation process or by thermally-activated trapping of lattice defects in annealing stage III. The remaining two sites are attributed to In located in stacking faults or hcp regions of the host. Systematic trends of impurity hyperfine fields in defect sites become evident from a comparison with other impurity-host combinations. The temperature dependence of the magnetic hyperfine fields has been measured between 20 K and 390 K. Large differences found for the various sites are discussed.
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Raether, F., Wiarda, D., Lieb, K.P. et al. Hyperfine interactions of111Cd in ion-implanted face centered cubic cobalt. Z. Physik B - Condensed Matter 73, 467–478 (1989). https://doi.org/10.1007/BF01319375
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DOI: https://doi.org/10.1007/BF01319375