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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2013, Volume 98, Issue 12, Pages 938–942
DOI: https://doi.org/10.7868/S0370274X13240156 (Mi jetpl3618) 		 
This article is cited in 1 scientific paper (total in 1 paper)

CONDENSED MATTER

Investigation of diffusion processes in liquid sodium and sodium-hydrogen melt by quasielastic neutron scattering

N. M. Blagoveshchenskii, A. G. Novikov, A. V. Puchkov, V. V. Savostin, M. S. Shamaev, I. I. Zasorin

Institute for physics and power engineering named after A. I. Leypunsky, Obninsk, Kaluga region
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DOI: https://doi.org/10.7868/S0370274X13240156
Abstract: The quasielastic neutron scattering experiments on liquid sodium (at $T= 378$, $573$, and $693$ K) and sodium-hydrogen melt ($T = 693\,$K, hydrogen concentration ${\sim}\,0.4\%$ at.) were performed with the DIN-2PI time-of- flight spectrometer. The characteristics of the diffusion mobility for particles comprising the liquids studied are extracted from the experimental results and analyzed with the help of the phenomenological and “relaxing cage” models. The self-diffusion coefficient in liquid sodium obtained for all temperatures is in the agreement with the values known from literature. The diffusion mobility in pure sodium and in sodium–hydrogen melt were found to be coinciding; it leads to the conclusion that in our experimental conditions hydrogen exists and diffuses in melt in the form of hydride NaH.
Received: 11.11.2013
English version:
Journal of Experimental and Theoretical Physics Letters, 2013, Volume 98, Issue 12, Pages 834–838
DOI: https://doi.org/10.1134/S002136401325005X
Bibliographic databases:
Document Type: Article
Language: English
Citation: N. M. Blagoveshchenskii, A. G. Novikov, A. V. Puchkov, V. V. Savostin, M. S. Shamaev, I. I. Zasorin, “Investigation of diffusion processes in liquid sodium and sodium-hydrogen melt by quasielastic neutron scattering”, Pis'ma v Zh. Èksper. Teoret. Fiz., 98:12 (2013), 938–942; JETP Letters, 98:12 (2013), 834–838
Citation in format AMSBIB
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\paper Investigation of diffusion processes in liquid sodium and
sodium-hydrogen melt by quasielastic neutron scattering
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
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\issue 12
\pages 938--942
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