Zobrazeno 1 - 10
of 42
pro vyhledávání: '"I. A. Ryzhkin"'
Publikováno v:
Ionics. 27:2717-2721
A model of self-diffusion in confined water is proposed. It is based on the idea that confined water forms structures similar to hexagonal ice and its transport characteristics can be described in the framework of a quasiparticle approach. It is assu
Autor:
M. I. Ryzhkin, I. A. Ryzhkin
Publikováno v:
JETP Letters. 113:461-465
The structure of hydrogen bonds in ice is considered theoretically taking into account the quantum tunneling of protons along the bonds and the Coulomb interaction of protons of different bonds. It is shown that the width and height of the potential
Publikováno v:
JETP Letters. 112:498-504
The pressure dependence of the proton conductivity of water ice is studied theoretically. It is shown that the decrease in the hydrogen bond length leads to the decrease in the formation energy of ionic defects and to the increase in the formation en
Publikováno v:
JETP Letters. 110:127-132
The screening of an electric field in water has been studied taking into account correlations between protons, which are described by the ice rules. It is shown that the problem has two characteristic screening lengths l1 ≪ l2, which are determined
Autor:
A. P. Melnikov, I. A. Ryzhkin, Dimitri A. Ivanov, Kamila R. Mugtasimova, Vitaly Sinitsyn, Elena A. Galitskaya
Publikováno v:
Key Engineering Materials
Key Engineering Materials, Trans Tech Publications, 2020, 869, pp.367-374. ⟨10.4028/www.scientific.net/KEM.869.367⟩
Key Engineering Materials, Trans Tech Publications, 2020, 869, pp.367-374. ⟨10.4028/www.scientific.net/KEM.869.367⟩
Proton-conducting membranes were fabricated from a new short-side chain ionomer Inion (Russian analogue of Aquivion) by solution casting method. A series of temperature treatment experiments was conducted to show that annealing of Inion membranes at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3236b93b169d402aaa117a215eb6f623
https://hal.archives-ouvertes.fr/hal-03095876/file/mugtasimova2020.pdf
https://hal.archives-ouvertes.fr/hal-03095876/file/mugtasimova2020.pdf
Publikováno v:
JETP Letters. 108:596-600
A model explaining a high proton conductivity of water in mesoporous materials has been proposed. The model is based on the theory of an intermediate phase of water with an ordered oxygen lattice and a destroyed proton lattice and involves various ty
Autor:
I. A. Ryzhkin, M. I. Ryzhkin
Publikováno v:
JETP Letters. 107:500-505
The effect of long-range dipole interaction on the fulfilment of Pauling’s hypothesis concerning the degeneracy of proton configurations satisfying the ice rules is studied for the case of hexagonal ice. It is shown that the ice rules imply a signi
Publikováno v:
JETP Letters. 106:760-764
The previously developed model of an intermediate phase of ice with a liquid system of hydrogen bonds has been applied to describe a quasiliquid surface layer. This approach leads to a two-component model of a quasiliquid ice surface layer. In the ou
Publikováno v:
The Journal of Chemical Physics. 154:034904
Field Cycling (FC) 2H nuclear magnetic resonance (NMR) relaxometry was applied to study dynamics in Nafion NR 212 in the temperature range from 300 K to 190 K and water content of λ = 8.2. The sensitive time window of FC was extended up to eight dec
Publikováno v:
JETP Letters. 102:41-45
The electrical characteristics of ice and water in wide temperature and frequency ranges are analyzed and compared. It is found that the experimental data agree well with the conjecture that the mechanisms of electrical relaxation in ice and water ar