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Current issue   Ukr. J. Phys. 2017, Vol. 62, N 3, p.195-201
https://doi.org/10.15407/ujpe62.03.0195    Paper

Litvinov V.A.1, Okseniuk I.I.1, Shevchenko D.I.1, Koppe V.T.1, Bobkov V.V.1, Chornous V.M.2

1 V.N. Karazin National University of Kharkiv
(31, Kurchatov Ave., Kharkiv 61108, Ukraine; e-mail: plip@meta.ua)
2 Ivano-Frankivs’k National Technical University of Oil and Gas
(15, Karpats’ka Str., Ivano-Frankivs’k 76001, Ukraine)

SIMS Study of the Surface of TiFe Hydride Forming Alloy

Section: Atoms and Molecules
Original Author's Text: Ukrainian

Abstract:  The surfaces of specimens of TiFe hydrogen storage alloy have been studied with the use of secondary ion mass spectrometry. Even after the annealing of a specimen in vacuum and its cleaning with an ion beam, a substantial part of its surface is shown to remain coated with a bulky layer composed of oxides, hydrides, hydroxides, and carbides. This layer has to be taken into account when considering problems dealing with the kinetic parameters of hydride formation.

Key words: hydrogen storage alloy, TiFe, hydride formation, surface, secondary ion mass spectrometry


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