Diffusion and release of hydrogen from metals under the effect of ionizing radiation

Yu I. Tyurin, N. N. Nikitenkov, I. T. Sigfusson, A. Hashhash, Van Yaomin, A. S. Dolgov, L. I. Semkina

Division for Experimental Physics

Research output: Contribution to journal › Article

Abstract

The phenomenological model of non-equilibrium diffusion and release of hydrogen from metals under the effect of electron beam in the sub-threshold region is considered. It is shown that the radiation stimulates the release and diffusion of hydrogen at a rate, significantly exceeds the rate of thermal equilibrium processes in the metals. This can occur in the presence of long-lived, in a time scale of single phonon and electron relaxation, vibrationally excited H-bonds. The proposed model confirms the experimental results previously obtained.

Original language	English
Pages (from-to)	73-80
Number of pages	8
Journal	Vacuum
Volume	131
DOIs	https://doi.org/10.1016/j.vacuum.2016.06.001
Publication status	Published - 1 Sep 2016

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Keywords

Condensed matter
Hydrogen
Metals
Non-equilibrium release
Plasma
Radiation-induced transfer

ASJC Scopus subject areas

Condensed Matter Physics
Instrumentation
Surfaces, Coatings and Films

Cite this

Tyurin, Y. I., Nikitenkov, N. N., Sigfusson, I. T., Hashhash, A., Yaomin, V., Dolgov, A. S., & Semkina, L. I. (2016). Diffusion and release of hydrogen from metals under the effect of ionizing radiation. Vacuum, 131, 73-80. https://doi.org/10.1016/j.vacuum.2016.06.001

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abstract = "The phenomenological model of non-equilibrium diffusion and release of hydrogen from metals under the effect of electron beam in the sub-threshold region is considered. It is shown that the radiation stimulates the release and diffusion of hydrogen at a rate, significantly exceeds the rate of thermal equilibrium processes in the metals. This can occur in the presence of long-lived, in a time scale of single phonon and electron relaxation, vibrationally excited H-bonds. The proposed model confirms the experimental results previously obtained.",

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AU - Tyurin, Yu I.

AU - Nikitenkov, N. N.

AU - Sigfusson, I. T.

AU - Hashhash, A.

AU - Yaomin, Van

AU - Dolgov, A. S.

AU - Semkina, L. I.

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AB - The phenomenological model of non-equilibrium diffusion and release of hydrogen from metals under the effect of electron beam in the sub-threshold region is considered. It is shown that the radiation stimulates the release and diffusion of hydrogen at a rate, significantly exceeds the rate of thermal equilibrium processes in the metals. This can occur in the presence of long-lived, in a time scale of single phonon and electron relaxation, vibrationally excited H-bonds. The proposed model confirms the experimental results previously obtained.

KW - Condensed matter

KW - Hydrogen

KW - Metals

KW - Non-equilibrium release

KW - Plasma

KW - Radiation-induced transfer

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10.1016/j.vacuum.2016.06.001