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  1. No Access

    Article

    High-Pressure Hydrofullerites

    This paper is a brief summary of the results of long-term experimental studies of C60Hx hydrofullerites with a hydrogen content of up to x ~ 60 or more, obtained by loading C60 fullerites with hydrogen at pressur...

    V. E. Antonov, A. V. Bazhenov, I. O. Bashkin… in Journal of Surface Investigation: X-ray, S… (2020)

  2. No Access

    Article

    Formation and composition of the clathrate phase in the H2O-H2 system at pressures to 1.8 kbar

    The transition of the hexagonal ice phase I h to the clathrate phase sII has been found in the H2O-H2 system at a pressure of about 1 kbar under conditions of an excess of gaseous hydrogen. The pressures of the I

    O. I. Barkalov, S. N. Klyamkin… in Journal of Experimental and Theoretical Ph… (2005)

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    Article

    Thermally stable hydrogen compounds obtained under high pressure on the basis of carbon nanotubes and nanofibers

    Compounds containing 6.3–6.5 wt % H and thermally stable in vacuum up to 500°C were obtained by annealing graphite nanofibers and single-walled carbon nanotubes in hydrogen atmosphere under a pressure of 9 GPa...

    I. O. Bashkin, V. E. Antonov, A. V. Bazhenov… in Journal of Experimental and Theoretical Ph… (2004)

  4. No Access

    Article

    Hydrogen tunneling modes in α-Mn suppressed by elastic stresses

    Behavior of the tunneling mode of hydrogen in MnH0.04 and MnH0.07 under high pressures in sapphire anvils was studied by the method of incoherent inelastic neutron scattering (INS). It is established that the INS...

    V. E. Antonov, V. P. Glazkov, D. P. Kozlenko… in Journal of Experimental and Theoretical Ph… (2002)

  5. No Access

    Chapter

    Crystal Structure and Physical Properties of High Pressure Hydrides

    The technique for compressing gaseous hydrogen to pressures of up to 9 GPa at temperatures to 500 °C (and recently1 to 1000 °C) developed at ISSP RAS made it possible to synthesize bulk homogeneous hydrides of a ...

    V. E. Antonov in Stability of Materials (1996)

  6. No Access

    Article

    Phonon Spectra of Ordered Pdcuh and Pdagh Produced Under a High Hydrogen Pressure

    Atomically ordered PdAgH and PdCuH hydrides synthesized in an atmosphere of gaseous hydrogen at P = 3 GPa were studied by inelastic neutron scattering. The results showed a large difference between the Pd-H, Ag-H...

    A. I. Kolesnikov, V. E. Antonov, M. Prager, S. Bennington… in MRS Online Proceedings Library (1994)

  7. No Access

    Article

    57Fe Mössbauer study of hydrides and deuterides of manganese

    Hydrides and deuterides of manganese with hydrogen-to-metal ratiosx between 0.65 and 0.93 were studiéd by Mössbauer spectroscopy on dilute substitutional57Fe probes. No traces of magnetic ordering were found. Exp...

    G. Schneider, M. Baier, F. E. Wagner, V. E. Antonov… in Hyperfine Interactions (1992)

  8. No Access

    Article

    Investigation of the hydrides of Ni0.70Cu0.30 by57Fe Mössbauer spectroscopy and magnetization measurements

    Hydrides of Ni0.70Cu0.30 prepared both electrolytically and under high pressures of hydrogen gas were studied by Mössbauer spectroscopy on dilute57Fe probes and by magnetization measurements. At hydrogen-to-metal...

    B. Zhang, I. Dugandžić, J. Bauer, M. Baier, F. E. Wagner… in Hyperfine Interactions (1992)

  9. No Access

    Article

    A57Fe Mössbauer study of the high pressure hydride phases of Fe and Co

    Hydrides of iron and cobalt prepared at pressures between 4.0 and 9.5 GPa were studied by57Fe Mössbauer spectroscopy at 4.2 K. Iron hydride was found to be nearly stoichiometric FeH. The two iron sites in its dhe...

    R. Wordel, M. Baier, G. Schneider, F. E. Wagner, V. E. Antonov… in Hyperfine Interactions (1990)

  10. No Access

    Article

    Mössbauer study of iron hydride produced under high pressure

    The hexagonal iron hydride formed at a hydrogen pressure of about 7 GPa was studied by57Fe Mössbauer spectroscopy. At 80 K its spectrum consists of two magnetic patterns with hyperfine fields of 33.6 and 29.0T, r...

    R. Wordel, F. E. Wagner, V. E. Antonov, E. G. Ponyatovskii… in Hyperfine Interactions (1986)