Temperature dependence of the lattice locations of boron implanted in germanium |
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Authors: | T. Izumikawa D. Shinojima S. Takahashi M. Mihara K. Matsuta M. Fukuda T. Ohtsubo S. Ohya T. Minamisono |
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Affiliation: | 1. Radioisotope Center, Niigata University, 1-757 Ashahimachi, Niigata, 951-8510, Japan 2. Department of Physics, Niigata University, Niigata, 950-2181, Japan 3. Department of Physics, Osaka University, Toyonaka, Osaka, 560-0043, Japan 4. Department for the Application of Nuclear Technology, Fukui University of Technology, Fukui, 910-8505, Japan
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Abstract: | The β-NMR of the probe atom 12B implanted in In-doped germanium was measured as a function of temperature. As a result, three resonances were observed: sharp and broad resonances around the Larmor frequency and a resonance split by the electric quadrupole interaction. It was found that the appearance of the resonances is similar to the case of Si host (Izumikawa et al. Hyperfine Interact. 136/137:559–605, 2001). The quadrupole coupling constant for the split resonance was deduced as ∣eqQ/h∣ = 252(3) kHz under the assumption that it has <111> axial symmetry. And furthermore, assuming that the defect atom jumps thermally between the identical defect sites, the activation energy of the jump was deduced as 0.4 ± 0.1 eV. |
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