Papers by Author: Alexandr V. Leonov

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Authors: A.N. Streletskii, Alexandr V. Leonov, I.V. Beresteskaya, S.N. Mudretsova, A.F. Majorova, P.Ju. Butyagin
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Authors: Alexandr V. Leonov, E. Szewczak, O.E. Gladilina, Henryk Matyja, V.I. Fadeeva
67
Authors: Olga S. Morozova, A.N. Streletskii, I.V. Beresteskaya, Alexandr V. Leonov, G.N. Kryukova
429
Authors: V.I. Fadeeva, Alexandr V. Leonov
481
Authors: Olga S. Morozova, Alexandr V. Leonov, Tatiana I. Khomenko, Vladimir N. Korchak
415
Authors: V.I. Fadeeva, Alexandr V. Leonov, L.N. Khodina
397
Authors: A.N. Streletskii, Alexandr V. Leonov, P.Yu. Butyagin
181
Authors: V.K. Portnoy, Alexandr V. Leonov, V.I. Fadeeva, Henryk Matyja
69
Authors: Olga S. Morozova, Tatiana I. Khomenko, Alexandr V. Leonov, Christine Borchers, Ernst Kurmaev, Alexandr Moewes
Abstract: Hydrogen sorption-desorption properties of Ti/B and Ti/C nanocomposites prepared under ball-milling of the corresponding powders in H2 flow were studied using kinetic, microscopic and spectroscopic techniques. Amorphous boron was found to be more effective in spurring Ti – H2 interaction than carbon because of the following properties: (1) significant fragmentation of Ti powder by preventing agglomeration of the particles; (2) unhindered hydrogen access to the surface of Ti nanoparticles through the boron matrix; (3) appearance of new occupation sites available for H atoms, which are characterized by low H2 desorption temperature. The dynamics of the formation of these sites and the H2 distribution between different occupation sites in dependence on phase composition and morphology were studied for the Ti/B system.
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