Zobrazeno 1 - 10
of 117
pro vyhledávání: '"L. S. Smirnov"'
Autor:
D. M. Novak, Alexander I. Kolesnikov, A. D. Vasil’ev, V. I. Voronin, Igor N. Flerov, I. F. Berger, L. S. Smirnov, N. M. Laptash
Publikováno v:
Crystallography Reports. 58:129-134
The (NH4)2WO2F4 compound undergoes a series of phase transitions: G0 → 201, K → G1 → 160, and K → G2, with a significant change in entropy (ΔS1 ∼ Rln10 at the G0 → G1 transition), which indicates significant orientational disordering in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::338e876df9eedb9a8a71cda57b028e3e
https://doi.org/10.1134/s1063774513010240
https://doi.org/10.1134/s1063774513010240
Publikováno v:
Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 4:982-986
The vibrational modes of hydrogen bonds in CsH5(PO4)2 and NaH5P2O6 compounds are analyzed via inelastic incoherent neutron scattering in a wide range of temperatures and Raman light scattering at room temperature. The energy ranges have been determin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0231025af9b435cf1a2d5f416c2e26d0
https://doi.org/10.1134/s1027451010060170
https://doi.org/10.1134/s1027451010060170
Publikováno v:
Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 3:847-856
Neutron scattering is used to study the structure and dynamics of Me1 − x(NH4)xSCN (Me = K, Rb) mixed crystals along the concentration section of 0.0 < x < 1.0 at room temperature 10 and 290 K. Phase transitions in Me1 − x (NH4)xSCN mixed crystal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d34f276971621cfa96588fa22ffaabb
https://doi.org/10.1134/s1027451009060019
https://doi.org/10.1134/s1027451009060019
Publikováno v:
Crystallography Reports. 54:477-482
The vibrational modes of hydrogen in (NH4)H5(PO4)2 have been investigated by inelastic incoherent neutron scattering at temperatures above (220 K) and below (160 and 5 K) the phase-transition point Tc = 180 K. Computer simulation of vibrational modes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a2842b2bdb68696586b919e5e163587
https://doi.org/10.1134/s1063774509030171
https://doi.org/10.1134/s1063774509030171
Autor:
A. I. Baranov, V. V. Dolbinina, I. Natkaniec, Marina Frontasyeva, L. S. Smirnov, A. Loose, E. V. Pomyakushina, P. Dominiak, K. Wozniak
Publikováno v:
Crystallography Reports. 53:418-427
The crystal structure of a mixed [Rb0.11(NH4)0.89]3H(SO4)2 crystal was refined using single-crystal X-ray and neutron diffraction at 300 K. The refinement confirmed that the phase II of the crystal belongs to the monoclinic crystal system (space grou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57bd4f651ce782c2d93d4d16345235e1
https://doi.org/10.1134/s1063774508030097
https://doi.org/10.1134/s1063774508030097
Autor:
L. S. Smirnov, Ireneusz Natkaniec, V. V. Dolbinina, P. Dominiak, M. Reehuis, K. Wozniak, A. I. Baranov
Publikováno v:
Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 1:637-644
The crystal of (NH4)3H(SO4)2 is of special interest due to the possible influence of ammonium ion on the series of phase transitions: I↔II↔ III↔IV↔V↔VII. Earlier, the x-ray single-crystal diffraction study of phase II of the (NH4)3H(SO4)2 c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef83946f768afa4b772c7880b4589de4
https://doi.org/10.1134/s1027451007060031
https://doi.org/10.1134/s1027451007060031
Publikováno v:
Semiconductors. 41:1011-1020
A model is developed to analyze numerically the electrical properties and the steady-state (limiting) position of the Fermi level (Flim) in tetrahedral semiconductors irradiated with high-energy particles. It is shown that an irradiated semiconductor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8f72c8d40afd0c5c7f4bcf8acff55e2
https://doi.org/10.1134/s1063782607090023
https://doi.org/10.1134/s1063782607090023
Autor:
K. Wozniak, N. Zink, A. Pawlukojc, G. Melnyk, L. S. Smirnov, A. Loose, P. Dominiak, L. A. Shuvalov
Publikováno v:
Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 1:113-119
The crystal structure of ammonium selenate has been studied by means of single crystal x-ray and neutron diffraction with the purpose of the refinement of hydrogen positions. The refined hydrogen positions obtained by single crystal neutron diffracti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a373771e96a7572fff8575de51774597
https://doi.org/10.1134/s1027451007010235
https://doi.org/10.1134/s1027451007010235
Publikováno v:
Crystallography Reports. 50:441-451
The influence of replacement of an ammonium ion by rubidium on the x-T phase diagram in the concentration range 0.50 ≤ x ≤ 1.0 has been studied by X-ray and neutron powder diffraction over a wide temperature range. It is shown that a decrease in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::393fdd771d312f34044514d3b4899199
https://doi.org/10.1134/1.1927606
https://doi.org/10.1134/1.1927606
Publikováno v:
Crystallography Reports. 50:254-261
The effect of temperature and the concentration of ammonium on the lattice parameters and the amplitude-weighted phonon density of states in mixed salts of ammonium potassium halides is studied by neutron powder diffraction and incoherent inelastic n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::668aca48c93f846adc044d9eccbd45fe
https://doi.org/10.1134/1.1887899
https://doi.org/10.1134/1.1887899