Abstract
Mössbauer experiments with the 90 keV resonance of99Ru as well as PAC measurements using the 353 and 528 keV - 90 keV cascades in99Ru and the 84 keV - 75 keV cascade in100Rh were combined in a study of the hyperfine interactions produced by the hydrogen distribution near Ru, Rh and Pd atoms in Β-PdHx (0.6≲x≲1.0). The electric field gradients produced by the non-cubic nearest neighbour hydrogen distribution were found to be very small. This shows that the protons are very strongly shielded and justifies an interpretation of the Mössbauer spectra in terms of isomer shift distributions only. By combining the two methods one thus can obtain a rather detailed picture of the hydrogen distribution near the probe atoms.
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Trager, J., Karger, M., Butz, T. et al. Perturbed angular correlation and Mössbauer study of the hydrogen distribution near Ru, Rh and Pd in palladium hydride. Hyperfine Interact 16, 795–800 (1983). https://doi.org/10.1007/BF02147369
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DOI: https://doi.org/10.1007/BF02147369