Abstract
The time-differential perturbed angular correlation (TDPAC) method was applied to a study on the behavior of 140Ce atoms implanted in highly oriented pyrolytic graphite (HOPG). Exponential-type gradual attenuation of the directional anisotropy of the relevant γ-ray cascade was observed in the perturbation patterns. From temperature dependence of the relaxation rate, a thermally activated dynamic motion of the probe atoms was suggested.
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Sato, W., Ueno, H., Taniguchi, A. et al. Time-dependent quadrupole interactions for 140Ce ions implanted in highly oriented pyrolytic graphite. J Radioanal Nucl Chem 272, 665–668 (2007). https://doi.org/10.1007/s10967-007-0643-x
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DOI: https://doi.org/10.1007/s10967-007-0643-x