Diffusion of hydrogen isotopes in the monohydride phase of Ti1−zVzHxDy studied by H and H NMR spin-lattice relaxation times |
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Authors: | Shigenobu Hayashi |
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Affiliation: | Institute for Materials & Chemical Process, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan |
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Abstract: | The 1H and 2H spin-lattice relaxation times in the monohydride phase of the V-H-D and Ti0.1V0.9-H-D systems have been re-analyzed by Bloembergen-Purcell-Pound (BPP) equations with a log-normal distribution of correlation times, and the obtained parameters have been compared with those of the Ti0.33V0.67-H-D system. The mean activation energy and the magnitude of the distribution of H and D diffusions are discussed in relation to the metal compositions, the hydrogen site, the crystal structure and the [H]/[D] ratios. |
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Keywords: | A. Alloys A. Metals D. Diffusion D. Nuclear magnetic resonance |
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