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Diffusivity of hydrogen in platinum and the diffusionelastic phenomenon
Affiliation:1. Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, pr. Ak. Koptyga, 3, 630090 Novosibirsk, Russia;2. Institute of Comprehensive Exploitation of Mineral Resources, Russian Academy of Sciences, Kryukovskiy tupic, 4, 111020 Moscow, Russia;3. Prospector Ltd, Vostochnaya Str., 56 (818), 620075 Ekaterinburg, Russia;1. Lomonosov Moscow State University, Leninskie Gory 1, Moscow, 119991, Russia;2. Fersman Mineralogical Museum, Russian Academy of Sciences, Leninsky pr.18, korp. 2, Moscow, 119071, Russia;3. A.P. Vinogradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences, ul. Favorskogo 1a, 664033, Irkutsk, Russia;1. National Institute of Standards and Technology, Applied Chemicals and Materials Division, Boulder, CO 80305, United States;2. National Institute of Standards and Technology, Applied Physics Division, Boulder, CO 80305, United States;3. Colorado School of Mines, Metallurgical and Materials Engineering, Golden, CO 80401, United States;1. National Research University of Electronic Technology, Zelenograd, Moskva 124498, Russian Federation;2. P.N. Lebedev Physical Institute of the Russian Academy of Science, Moskva 119991, Russian Federation;3. Lukin''s State Research Institute of Physical Problems, Zelenograd, Moskva 124460, Russian Federation;4. Skobeltsyn Institute of Nuclear Physics MSU, Moskva 119991, Russian Federation;5. “MELZ-FEU LLC”, Zelenograd, Moskva 124460, Russian Federation;6. “CNEL Devices LLC”, Zelenograd, Moskva 124482, Russian Federation;1. Institute of Volcanology and Seismology FEB RAS, Piip boulevard 9, Petropavlovsk-Kamchatsky 683006, Russian Federation;2. GZG, Abteilung Geochemie, Universität Göttingen, Goldschmidtstrasse 1, 37077 Göttingen, Germany;3. Department of Earth Sciences, Dickinson College, Carlisle, PA 17013, United States of America;4. Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry RAS, Staromonetnyi pereulok 35, Moscow 119017, Russian Federation
Abstract:The measurement of diffusion characteristics in single-phase interstitial systems is one of the possible applications of the diffusion-elastic phenomenon. It may be utilized successfully in some cases in which conventional methods are not applicable — for example when the solubility of the interstitial solute is low. The paper reports on diffusion-elastic measurements of the diffusivity of hydrogen in Pt (D30°C = 2.3 × 10−9 cm2 s−1) and the surface concentration of hydrogen during these measurements at 30 °C. The results are compared with the available data.
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