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1.
Ab-initio investigation of
hydrogen
absorption by magnesium nanoparticles [Text] / A. S. Fedorov, G. N1. Churilov [et al.]> //
Carbon Nanomaterials in Clean-Energy
Hydrogen
Systems : Proceedings of the NATO Advanced Research Workshop on Using Carbon Nanomaterials in Clean-Energy
Hydrogen
Systems Sudak, Crimea, Ukraine 22–28 September 2007 / red. Baranowski, B.; Zaginaichenko, S.; Schur, D.; Skorokhod, V.; Veziroglu, A. : Springer, 2008. - P603-610. - (SNATO Science for Peace and Security Series Subseries: NATO Science for Peace and Security Series C: Environmental Security),
DOI
10.1007/978-1-4020-8898-8_75 . - ISBN 1874-6519
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Доп.точки доступа:
Fedorov, A. S.; Федоров, Александр Семенович; Churilov, G. N.; Чурилов, Григорий Николаевич; Kuzubov, A.A.; Serjantova, M.V.; "Carbon Nanomaterials in Clean-Energy
Hydrogen
Systems", national conference(2008 ; Sep. ; 22-28 ; Sudak, Crimea)
}
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2.
Ab-initio investigation of
thermoactivated directional transport of
hydrogen
molecules inside narrow carbon nanotubes / A. S. Fedorov, A. F. Sadreev> // Physica status solidi B - Basic Solid State Physics. - 2009. -
Т. 246
,
№ 11-12
. - P. 2598-2601,
DOI
10.1002/pssb.200982285 . - ISSN 0370-1972. - ISSN 1521-3951
ГРНТИ
31
РИНЦ
Держатели документа:
Kirensky Institute of Physics,Siberian Division,Russian Academy of Sciences
Krasnoyarsk Railway Transport Institute
Доп.точки доступа:
Fedorov, A. S.; Федоров, Александр Семенович; Sadreev, A. F.; Садреев, Алмаз Фаттахович
}
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3.
Ab-initio study of
hydrogen
chemical adsorption on the platinum surface/carbon nanotube join system [Text] / A. S. Fedorov, P. B. Sorokin, A. A. Kuzubov> // Physica status solidi B - Basic Solid State Physics. - 2008. -
Vol. 245
,
№ 8
. - P1546-1551
Доп.точки доступа:
Fedorov, A.S.; Sorokin, P.B.; Kuzubov, A. A.
Свободных экз. нет
}
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4.
Alekseev, K. N.
Light squeezing at the transition to quantum chaos / K. N. Alekseev, J. . Perina> // Phys. Rev. E. - 1998. -
Vol. 57
,
Is. 4
. - P. 4023-4034,
DOI
10.1103/PhysRevE.57.4023. - Cited References: 62 . - ISSN 1063-651X
РУБ
Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
HIGHLY-EXCITED ATOMS
ELECTROMAGNETIC-FIELD
ANHARMONIC-OSCILLATOR
MICROWAVE IONIZATION
MONOCHROMATIC-FIELD
CLASSICAL MECHANICS
PERIODIC-ORBITS
RYDBERG ATOMS
HYDROGEN
-ATOM
SYSTEMS
Аннотация:
We investigate theoretically the dynamics of squeezed state generation in nonlinear systems possessing a transition from regular to chaotic dynamics in the limit of a large number of photons. As an example, the model of a kicked Kerr oscillator is considered. We show that at the transition to quantum chaos the maximum possible degree of squeezing increases exponentially in time, in contrast to the regular dynamics, where the degree of squeezing increases only powerwise in time. We demonstrate the one-to-one correspondence of the degree of squeezing and the value of the local Lyapunov instability rate in the corresponding classical chaotic system.
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Держатели документа:
Abo Akad, Dept Phys, SF-20500 Turku, Finland
Russian Acad Sci, LV Kirensky Phys Inst, Theory Nonlinear Proc Lab, Krasnoyarsk 660036, Russia
Palacky Univ, Dept Opt, Olomouc 77207, Czech Republic
Palacky Univ, Joint Lab Opt, Olomouc 77207, Czech Republic
ИФ СО РАН
Доп.точки доступа:
Perina, J.
}
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5.
Anisotropy of piezocaloric
effect at ferroelectric phase transitions in ammonium
hydrogen
sulphate / E. V. Bogdanov, I. N. Flerov> //
E-MRS fall meeting : conference programme. - 2019. - Ст. E.P.4. - This work was supported by the Russian Science Foundation (RSF) grant (No. 19-72-00023)
Материалы конференции
Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
Siberian Federal University, 660074 Krasnoyarsk, Russia
Far Eastern State Transport University, Khabarovsk, Russia 680021
Astafijev Krasnoyarsk State Pedagogical University, 660049 Krasnoyarsk, Russia
Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Flerov, I. N.; Флёров, Игорь Николаевич; Fall Meeting, European Materials Research Society(2019 ; Sept. ; 16-19 ; Warsaw, Poland); European Materials Research Society; Warsaw University of Technology
}
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6.
Anisotropy of piezocaloric
effect at ferroelectric phase transitions in ammonium
hydrogen
sulphate / E. A. Mikhaleva, M. V. Gorev, M. S. Molokeev [et al.]> // J. Alloys Compd. - 2020. -
Vol. 839
. - Ст. 155085,
DOI
10.1016/j.jallcom.2020.155085. - Cited References: 31. - The reported study was supported by the Russian Science Foundation (project no. 19-72-00023 ). X-ray and dilatometric data were obtained using the equipment of Krasnoyarsk Regional Center of Research Equipment of Federal Research Center "Krasnoyarsk Science Center SB RAS" . - ISSN 0925-8388
Кл.слова (ненормированные):
Piezocaloric effect
--
Phase transition
--
Ferroelectrics
--
Thermal expansion
--
High-pressure
--
Entropy
Аннотация:
The role of anisotropy of the thermal expansion in formation of piezocaloric effect (PCE) near ferroelectric phase transitions in NH4HSO4 was studied. Strong difference in linear baric coefficients and as a result in intensive and extensive PCE associated with the different crystallographic axes was found. PCE giving the main contribution to the barocaloric effect were determined at both phase transitions. Rather strong effect of the lattice dilatation on the tuning of PCE was observed. Comparative analysis of PCE at the phase transitions in different materials showed that NH4HSO4 can be considered as a promising solid-state refrigerant. A hypothetical cooling cycle based on alternate using uniaxial pressure along two axes was considered.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Engineering Physics and Radioelectronics, Siberian Federal University, Krasnoyarsk, 660074, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, 680021, Russian Federation
Astafijev Krasnoyarsk State Pedagogical University, Krasnoyarsk, 660049, Russian Federation
Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Flerov, I. N.; Флёров, Игорь Николаевич
}
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7.
Arkhipkin, V. G.
2-photon-resonance and 3-photon-resonance displacement of frequencies and interference of quantum transitions / V. G. Arkhipkin> // Zhurnal Eksperimentalnoi Teor. Fiz. - 1995. -
Vol. 108
,
Is. 1
. - P. 45-52. - Cited References: 16 . - ISSN 0044-4510
РУБ
Physics, Multidisciplinary
Рубрики:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
ATOMIC-
HYDROGEN
GENERATION
WOS
Доп.точки доступа:
Архипкин, Василий Григорьевич
}
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8.
Broadband Tamm plasmons
in chirped photonic crystals for light-induced water splitting / M. V. Pyatnov, R. G. Bikbaev, I. V. Timofeev [et al.]> // Nanomaterials. - 2022. -
Vol. 12
,
Is. 6
. - Ст. 928,
DOI
10.3390/nano12060928. - Cited References: 41 . - ISSN 2079-4991
Кл.слова (ненормированные):
water splitting
--
plasmon catalysis
--
solar-to-
hydrogen
efficiency
--
photocurrent
Аннотация:
An electrode of a light-induced cell for water splitting based on a broadband Tamm plasmon polariton localized at the interface between a thin TiN layer and a chirped photonic crystal has been developed. To facilitate the injection of hot electrons from the metal layer by decreasing the Schottky barrier, a thin n-Si film is embedded between the metal layer and multilayer mirror. The chipping of a multilayer mirror provides a large band gap and, as a result, leads to an increase in the integral absorption from 52 to 60 percent in the wavelength range from 700 to 1400 nm. It was shown that the photoresponsivity of the device is 32.1 mA/W, and solar to
hydrogen
efficiency is 3.95%.
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Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Institute of Computer Modelling, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Pyatnov, M. V.; Пятнов, Максим Владимирович; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Ryzhkov, I. I.; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович
}
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9.
Calculation of the
energy of binding of titanium and scandium complexes to the surface of carbon nanotubes / A. A. Kuzubov [et al.]> // Russ. J. Phys. Chem. B. - 2009. -
Vol. 3
,
Is. 4
. - P. 679-683,
DOI
10.1134/S1990793109040289. - Cited References: 27. - This work was supported by the analytical departmental program "Development of Higher Education Potential (2009-2100)" (grant 2.1.1/2584) and by the Russian Foundation for Basic Research, project no. 09-02-00324-a. . - ISSN 1990-7931
РУБ
Physics, Atomic, Molecular & Chemical
Рубрики:
MOLECULAR-
HYDROGEN
COMPLEXES
STORAGE
TEMPERATURE
TRANSITION
DYNAMICS
METALS
Аннотация:
Complexes of zigzag-type carbon nanotubes (CNTs) with transition metal atoms, scandium and titanium, were studied. It was demonstrated that the energy of binding of both atoms with a carbon surface decreases whereas the rate of diffusion along the surface increases with increasing nanotube diameter. The rate constant of migration of scandium atoms over a CNT surface are several orders of magnitude higher than that for titanium atoms, because the CNT surface-Sc atom binding energy is substantially lower.
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Держатели документа:
Institute of Natural and Humanitarian Sciences, Siberian Federal University, Krasnoyarsk 660041, Russian Federation
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Siberian State Technological University, Krasnoyarsk 660049, Russian Federation
Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Krasnov, P. O.; Краснов, Павел Олегович; Kozhevnikov, T. A.; Popov, M. A.; Analytical departmental program "Development of Higher Education Potential" [2.1.1/2584]; Russian Foundation for Basic Research [09-02-00324-a]
}
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10.
Cell growth and
accumulation of polyhydroxyalkanoates from CO2 and H2 of a
hydrogen
-oxidizing bacterium, Cupriavidus eutrophus B-10646 / T. G. Volova [et al.]> // Bioresource Technol. - 2013. -
Vol. 146
. - P. 215-222,
DOI
10.1016/j.biortech.2013.07.070 . - ISSN 0960-8524
Перевод заглавия:
Рост клеток и накопление полигидроксиалканоатов из CO2 и H2 водород-окисляющими бактериями, Cupriavidus eutrophus B-10646
Кл.слова (ненормированные):
Autotrophic synthesis
--
Cupriavidus eutrophus
--
Polyhydroxyalkanoates
Аннотация:
Synthesis of polyhydroxyalkanoates (PHAs) by a new strain of Cupriavidus - Cupriavidus eutrophus B-10646 - was investigated under autotrophic growth conditions. Under chemostat, at the specific flow rate D=0.1h-1, on sole carbon substrate (CO2), with nitrogen, sulfur, phosphorus, potassium, and manganese used as growth limiting elements, the highest poly(3-hydroxybutyrate) [P(3HB)] yields were obtained under nitrogen deficiency. In batch autotrophic culture, in the fermenter with oxygen mass transfer coefficient 0.460h-1, P(3HB) yields reached 85% of dry cell weight (DCW) and DCW reached 50g/l. Concentrations of supplementary PHA precursor substrates (valerate, hexanoate, ?-butyrolactone) and culture conditions were varied to produce, for the first time under autotrophic growth conditions, PHA ter- and tetra-polymers with widely varying major fractions of 3-hydroxybutyrate, 4-hydroxybutyrate, 3-hydroxyvalerate, and 3-hydroxyhexanoate monomer units. Investigation of the high-purity PHA specimens showed significant differences in their physicochemical and physicomechanical properties. В© 2013 Elsevier Ltd.
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Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk, Russia
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia;
Доп.точки доступа:
Volova, T. G.; Волова, Татьяна Григорьевна; Kiselev, E. G.; Киселев, Евгений Геннадьевич; Shishatskaya, E. I.; Шишацкая, Екатерина Игоревна; Zhila, N. O.; Жила, Наталья Олеговна; Boyandin, A. N.; Бояндин, Анатолий Николаевич; Syrvacheva, D. A.; Vinogradova, O. N.; Kalacheva, G. S.; Калачева, Галина Сергеевна; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Peterson, I. V.; Петерсон, Иван Викторович
}
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11.
Chemical exchange in
NH4HSeO4 single crystals studied by two-dimensional H-2 nuclear magnetic resonance / Y. N. Ivanov [et al.]> // J. Phys.: Condens. Matter. - 1999. -
Vol. 11
,
Is. 18
. - P. 3751-3760,
DOI
10.1088/0953-8984/11/18/310. - Cited References: 16 . - ISSN 0953-8984
РУБ
Physics, Condensed Matter
Рубрики:
PHASE-TRANSITIONS
CONDUCTIVITY PROCESSES
AMMONIUM
Кл.слова (ненормированные):
Hydrogen
bonds
--
Nuclear magnetic resonance
--
Single crystals
--
Thermal effects
--
Ammonium
hydrogen
selenate
--
Ammonium compounds
Аннотация:
Processes of chemical exchange of deuterons in partially deuterated ammonium
hydrogen
selenate, NH4HSeO4 (AHSe), crystals are investigated by means of H-2 nuclear magnetic resonance (NMR) experiments over a wide temperature range. The temperature dependencies of the quadrupole line splittings in the one-dimensional spectra of AHSe above 350 K revealed lineshape changes which are characteristic for chemical exchange processes. A detailed study of these exchange processes in AHSe is achieved by means of two-dimensional H-2 NMR experiments. In the temperature range investigated, a chemical exchange occurs only between those deuteron (proton) sites which are involved in
hydrogen
bonds (alpha- and beta-positions). It was established that the rates of exchange between all types of
hydrogen
-bound deuteron are approximately the same. Exchange between these positions and the deuterons in the ND4 groups could not be detected. On the basis of our findings, we finally discuss a model for the microscopic mechanism of
hydrogen
transport in AHSe.
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Держатели документа:
LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Univ Leipzig, Fak Phys & Geowissensch, D-04103 Leipzig, Germany
ИФ СО РАН
L V Kirensky Institute of Physics, Russian Academy of Science, Siberian Branch, 660036 Krasnoyarsk, Russian Federation
Universitat Leipzig, Fakultat fur Physik und Geowissenschaften, Linnestra?e 5, D-04103 Leipzig, Germany
Доп.точки доступа:
Ivanov, Y. N.; Иванов, Юрий Николаевич; Totz, J.; Michel, D.; Klotzsche, G.; Sukhovsky, A. A.; Суховский, Андрей Андреевич; Aleksandrova, I. P.; Александрова, Инга Петровна
}
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12.
Chernozatonskii, L. A.
Two-dimensional semiconducting nanostructures based on single graphene sheets with lines of adsorbed
hydrogen
atoms / L. A. Chernozatonskii, P. B. Sorokin, J. W. Bruning> // Appl. Phys. Lett. - 2007. -
Vol. 91
,
Is. 18
. - Ст. 183103,
DOI
10.1063/1.2800889. - Cited References: 24 . - ISSN 0003-6951
РУБ
Physics, Applied
Рубрики:
CARBON
GAS
Кл.слова (ненормированные):
Electronic properties
--
Energy gap
--
Graphite
--
Hydrogen
--
Semiconductor materials
--
Superlattices
--
Electronic spectra
--
Graphene sheets
--
Quasi-two-dimensional heterostructures
--
Semiconducting nanostructures
--
Nanostructured materials
Аннотация:
It is shown that lines of adsorbed
hydrogen
pair atoms divide the graphene sheet into strips and form
hydrogen
-based superlattice structures (2HG-SL). We show that the formation of 2HG-SL changes the electronic properties of graphene from semimetal to semiconductor. The electronic spectra of "zigzag" (n,0) 2HG-SL is similar to that of (n,0) carbon nanotubes and have a similar oscillation of band gap with n, but with nonzero minimal values. The composite dual-periodic (n,0)+(m,0) 2HG-SLs of zigzag strips are analyzed, with the conclusion that they may be treated as quasi-two-dimensional heterostructures. (C) 2007 American Institute of Physics.
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Держатели документа:
Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119334, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Humboldt Univ, Math Inst, D-12489 Berlin, Germany
ИФ СО РАН
Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 4 Kosigina St., Moscow 119334, Russian Federation
Siberian Federal University, 79 Svobodny Ave., Krasnoyarsk 660041, Russian Federation
Kirensky Institute of Physics, Russian Academy of Sciences, Academgorodok, Krasnoyarsk 660036, Russian Federation
Institute of Mathematics, Humboldt University of Berlin, Berlin 12489, Germany
Доп.точки доступа:
Sorokin, P. B.; Bruning, J. W.
}
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13.
Colloidal and deposited
products of the interaction of tetrachloroauric acid with
hydrogen
selenide and
hydrogen
sulfide in aqueous solutions / S. Vorobyev [et al.]> // Minerals. - 2018. -
Vol. 8
,
Is. 11
. - Ст. 492,
DOI
10.3390/min8110492. - Cited References: 63. - This research was funded by the Siberian Branch of the Russian Academy of sciences, Program of Interdisciplinary Studies, grant number 64 (project 303). . - ISSN 2075-163X
Перевод заглавия:
Коллоидные и осажденные продукты взаимодействия золотохлористоводородной кислоты с селеноводородом и сероводородом в водных растворах
Кл.слова (ненормированные):
Gold selenide
--
Gold sulfoselenide
--
Colloids
--
Nanoparticles
--
Nucleation
--
Liquid intermediates
--
Deposition
Аннотация:
The reactions of aqueous gold complexes with H2Se and H2S are important for transportation and deposition of gold in nature and for synthesis of AuSe-based nanomaterials but are scantily understood. Here, we explored species formed at different proportions of HAuCl4, H2Se and H2S at room temperature using in situ UV-vis spectroscopy, dynamic light scattering (DLS), zeta-potential measurement and ex situ Transmission electron microscopy (TEM), electron diffraction, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. Metal gold colloids arose at the molar ratios H2Se(H2S)/HAuCl4 less than 2. At higher ratios, pre-nucleation “dense liquid” species having the hydrodynamic diameter of 20–40 nm, zeta potential −40 mV to −50 mV, and the indirect band gap less than 1 eV derived from the UV-vis spectra grow into submicrometer droplets over several hours, followed by fractional nucleation in the interior and coagulation of disordered gold chalcogenide. XPS found only one Au+ site (Au 4f7/2 at 85.4 eV) in deposited AuSe, surface layers of which partially decomposed yielding Au0 nanoparticles capped with elemental selenium. The liquid species became less dense, the gap approached 2 eV, and gold chalcogenide destabilized towards the decomposition with increasing H2S content. Therefore, the reactions proceed via the non-classical mechanism involving “dense droplets” of supersaturated solution and produce AuSe1−xSx/Au nanocomposites.
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Держатели документа:
Institute of Chemistry and Chemical Technology of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Kirensky Institute of Physics of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Electron Microscopy Laboratory, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Vorobyev, S.; Likhatski, M.; Romanchenko, A.; Maksimov, N.; Zharkov, S. M.; Жарков, Сергей Михайлович; Krylov, A. S.; Крылов, Александр Сергеевич; Mikhlin, Y.
}
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14.
Crystal structure of
enrofloxacinium tetrabromidodichloridostannate(IV) monohydrate / N. N. Golovnev [et al.]> // J. Struct. Chem. - 2013. -
Vol. 54
,
Is. 2
. - P. 377-382,
DOI
10.1134/S0022476613020157. - Cited References: 17. - The work was supported by the grant of the President of the Russian Federation for the support of leading scientific schools of the Russian Federation (NSh-4828.2012.2) and the Federal Targeted Program "Scientific and Scientific Pedagogical Personnel of Innovative Russia, 2009-2013" (State contracts Nos. 02.740.11.0269 and 02.740.11.0629). . - ISSN 0022-4766
РУБ
Chemistry, Inorganic & Nuclear + Chemistry, Physical
Рубрики:
COMPLEX
Кл.слова (ненормированные):
crystal structure
--
enrofloxacinium cation
--
tetrabromidodichloridostannate(IV) anion
--
hydrogen
bonds
Аннотация:
A new compound EnrH(3)[SnBr3.46Cl2.54]center dot H2O, where EnrH (3) (2+) is the enrofloxacinium cation (C19H24FN3O (3) (2+) ), is synthesized and its crystal and molecular structure is determined. Crystallographic data for enrofloxacinium tetrabromidodichloridostannate(IV) monohydrate are as follows: a = 17.1262(19) , b = 10.3435(11) , c = 17.2582(19) , beta = 119.203(1)A degrees, V = 2640.5(4) (3), space group P2(1)/c, Z = 4.
Hydrogen
bonds form a branched three-dimensional network linking EnrH (3) (2+) , [SnBr3.46Cl2.54](2-), and water molecules. The structure is also stabilized by the pi-pi interaction of EnrH (3) (2+) aromatic rings.
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Кристаллическая структура моногидрата тетрабромидодихлоридостанната(IV) энрофлоксациния // Журнал структурной химии. - 2013. - Т. 54, № 2. - С. 325-330
Держатели документа:
Siberian Fed Univ, Krasnoyarsk, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk, Russia
Доп.точки доступа:
Golovnev, N. N.; Головнёв, Николай Николаевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Golovneva, I. I.; Головнева И.И.; Glushchenko, G. A.; Глущенко, Гарий Анатольевич
}
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15.
Crystal structure, spectroscopic
and thermal properties of the coordination compounds M(1,3-diethyl-2-thiobarbiturate) M = Rb+, Cs+, Tl+ and NH4+ / M. S. Molokeev [et al.]> // Polyhedron. - 2015. -
Vol. 98
. - P. 113-119,
DOI
10.1016/j.poly.2015.05.048. - Cited References: 43. - The study was carried out within the public task of the Ministry of Education and Science of the Russian Federation for research engineering of the Siberian Federal University in 2015. V.V.A. is grateful to the Ministry of Education and Science of the Russian Federation for financial support of the investigation. . - ISSN 0277-5387
Перевод заглавия:
Кристаллическая структура, спектроскопические и тепловые свойства координационных соединений M(1,3-diethyl-2-thiobarbiturate) M = Rb+, Cs+, Tl+ and NH4+
РУБ
Chemistry, Inorganic & Nuclear + Crystallography
Рубрики:
2-THIOBARBITURIC ACID
THIOBARBITURIC ACID
1,3-DIETHYL-2-THIOBARBITURIC ACID
HYDROGEN
-BOND
COMPLEXES
DIFFRACTION
CHEMISTRY
NETWORKS
LIGAND
SERIES
Кл.слова (ненормированные):
1,3-Diethyl-2-thiobarbituric acid
--
Alkali ion thallium(I) and ammonium cations
--
Coordination compounds
--
Thermal analysis
--
X-ray diffraction
Аннотация:
Four new compounds of 1,3-diethyl-2-thiobarbituric acid (C8H11N2O2S, Hdetba) with Rb+, Cs+, Tl+ and NH4+ ions were prepared by Hdetba neutralization with the metal carbonates or ammonium hydroxide in aqueous solution. The colorless crystals have been investigated using X-ray diffraction techniques, differential scanning calorimetry, thermogravimetry and infrared spectroscopy. The coordination compounds of MDetba with M = Rb, Cs and Tl crystallize in the orthorhombic space group P212121, but compound NH4Detba crystallizes in the triclinic space group P1¯. The MDetba structures were compared at the molecular and supramolecular levels. The Detba- ion in the NH4+ compound forms conformer (A) with two diethyl groups on one side of the ion ring, whereas the Detba- ion in the Rb(I), Cs(I) and Tl(I) compounds forms conformer (B) with two diethyl groups on different sides of the ring. The results of IR spectroscopy and thermal analysis are consistent with the X-ray data. © 2015 Elsevier Ltd.
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Держатели документа:
Laboratory of Crystal Physics, Kirensky Institute of Physics, SB RAS, bld. 38 Akademgorodok 50, Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, 47 Serysheva Str., Khabarovsk, Russian Federation
Department of Chemistry, Siberian Federal University, 79 Svobodny Aven., Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology, SB RAS, bld. 24 Akademgorodok 50, Krasnoyarsk, Russian Federation
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, 13 Lavrentiev Aven., Novosibirsk, Russian Federation
Functional Electronics Laboratory, Tomsk State University, 36 Lenin Aven., Tomsk, Russian Federation
Laboratory of Semiconductor and Dielectric Materials, Novosibirsk State University, 2 Pirogov Str., Novosibirsk, Russian Federation
Доп.точки доступа:
Molokeev, M. S.; Молокеев, Максим Сергеевич; Golovnev, N. N.; Головнёв, Николай Николаевич; Vereshchagin, S. N.; Верещагин С. Н.; Atuchin, V. V.; Атучин, Виктор Валерьевич
}
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16.
Detection of the
incommensurate modulation of the
hydrogen
-bond double-minimum potential in the antiferroelectric phase of NH4HSEO4 / I. P. Aleksandrova [et al.]> // Phys. Lett. A. - 1983. -
Vol. 95
,
Is. 6
. - P. 339-342,
DOI
10.1016/0375-9601(83)90035-X. - Cited References: 15 . - ISSN 0375-9601
РУБ
Physics, Multidisciplinary
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Держатели документа:
L.V. Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
ИФ СО РАН
Доп.точки доступа:
Aleksandrova, I. P.; Александрова, Инга Петровна; Rosanov, O. V.; Sukhovsky, A. A.; Суховский, Андрей Андреевич; Moskvich, Y. N.; Москвич, Юрий Николаевич
}
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17.
Dynamic processes of
the water sublattice in FeTiF6·xH2O·yD2O crystal / Yu. V. Gerasimova, A. S. Krylov, A. N. Vtyurin [et al.]> // J. Raman Spectrosc. - 2022. -
Vol. 53
,
Is. 10
: Special Issue: Vibrational Spectroscopy of Water. - P. 1704-1709,
DOI
10.1002/jrs.6430. - Cited References: 31. - The reported study was funded by the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory and Krasnoyarsk Regional Foundation of Science according to the research project “Spectral and magnetic properties of single crystals of transition metal fluoride hexahydrates” No. 20-42-240014 . - ISSN 0377-0486
Кл.слова (ненормированные):
deuterium ordering
--
dynamics
--
hydrated iron fluoridotitanate
--
hydrogen
bonds
--
phase transition
--
spectra
--
water sublattice
Аннотация:
Phase transition in FeTiF6·xH2O·yD2O crystals has been studied by Raman spectroscopy. The 611 cm-1 line corresponding to mode A1g of [TiF6]2- system does not exhibit anomalous behavior associated with the phase transition. The temperature studies showed that below the phase transition temperature, the equivalence of D2O molecules in FeTiF6·xH2O·yD2O octahedron is broken. The phase transition mechanism in the compound under study is associated with Fe(xH2O·yD2O) complex.
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Держатели документа:
Kirensky Institute of Physics, Siberian Branch of RAS, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Chemistry, Far Eastern Branch of RAS, Vladivostok, Russian Federation
Доп.точки доступа:
Gerasimova, Yu. V.; Герасимова, Юлия Валентиновна; Krylov, A. S.; Крылов, Александр Сергеевич; Vtyurin, A. N.; Втюрин, Александр Николаевич; Laptash, N. M.; Pogoreltsev, E. I.; Погорельцев, Евгений Ильич; Dubrovskiy, A. A.; Дубровский, Андрей Александрович; Gerasimov, M. A.; Герасимов, М. А.
}
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18.
Effect of alkali
reagents on the crystal structure of chemically deposited CoP films / A. V. Chzhan [et al.]> // Bull. Russ. Acad. Sci. Phys. - 2016. -
Vol. 80
,
Is. 6
. - P. 692-694,
DOI
10.3103/S1062873816060095. - Cited References: 5. - This work was supported in part by the Russian Foundation for Basic Research, project no. 14-02-00238a. . - ISSN 1062-8738
Кл.слова (ненормированные):
Ammonium hydroxide
--
Amorphous phase
--
Chemical deposition
--
Co-P films
--
Hexagonal phase
--
Hydrogen
carbonates
--
Low concentrations
--
Crystal structure
Аннотация:
The effect alkali reagents have on the crystal structure of CoP films prepared via chemical deposition is investigated. It is shown that the use of sodium
hydrogen
carbonate and ammonium hydroxide in low concentrations leads to growth of the hexagonal phase in the films. As the concentration of alkali reagents is increased, the formation of a cubic or amorphous phase is observed. © 2016, Allerton Press, Inc.
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Публикация на русском языке
Влияние щелочных реагентов на кристаллическую структуру пленок СоР, полученных химическим осаждением [Текст] / А. В. Чжан [и др.] // Изв. РАН. Сер. физич. - 2016. - Т. 80 № 6. - С. 762
Держатели документа:
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Chzhan, A. V.; Чжан, Анатолий Владимирович; Patrusheva, T. N.; Патрушева, Тамара Николаевна; Podorozhnyak, S. A.; Seredkin, V. A.; Середкин, Виталий Александрович; Bondarenko, G. N.; Бондаренко, Галина Николаевна
}
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19.
Effect of restricted
geometry and external pressure on the phase transitions in ammonium
hydrogen
sulfate confined in a nanoporous glass matrix / E. A. Mikhaleva [et al.]> // J. Mater. Sci. - 2018. -
Vol. 53
,
Is. 15
. - P. 12132–12144,
DOI
10.1007/s10853-018-2467-1. - Cited References: 44. - The reported study was funded by Russian Foundation for Basic Research (RFBR) according to the Research Project No. 16-32-00092 mol_a. . - ISSN 0022-2461
Перевод заглавия:
Влияние ограниченной геометрии и внешнего давления на фазовые переходы в кислом сульфате аммония заключенном в нанопористую стеклянную матрицу
Кл.слова (ненормированные):
Hydraulics
--
Hydrostatic pressure
--
Permittivity
--
Pore size
--
Specific heat
--
Sulfur compounds
--
Thermal expansion
Аннотация:
A study of heat capacity, thermal dilatation, susceptibility to hydrostatic pressure, permittivity and polarization loops was carried out on NH4HSO4–porous glass nanocomposites (AHS + PG) as well as empty glass matrices. The formation of dendrite clusters of AHS with a size, dcryst, exceeding the pore size was found. An insignificant anisotropy of thermal expansion of AHS + PG showing statistically uniform distribution of AHS with random orientations of nanocrystallites over the matrix was observed. The effect of internal and external pressures on thermal properties and permittivity was studied. At the phase transition P-1 ↔ Pc, a strongly nonlinear decrease in the entropy ΔS2 and volume strain (ΔV/V)T2 was observed with decreasing dcryst. The linear change in temperatures of both phase transitions P-1 ↔ Pc ↔ P21/c under hydrostatic pressure is accompanied by the expansion of the temperature range of existence of the ferroelectric phase Pc, while this interval narrows as dcryst decreases.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok, 50, Bld. 38, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Astafijev Krasnoyarsk State Pedagogical University, Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, Russian Federation
Krasnoyarsk State Agrarian University, Krasnoyarsk, Russian Federation
Voronezh State Technical University, Voronezh, Russian Federation
Division of Experimental Physics, Faculty of Fundamental Problems of Technology, Wroclaw University of Science and Technology, Wroclaw, Poland
Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Flerov, I. N.; Флёров, Игорь Николаевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bogdanov, E. V.; Богданов, Евгений Витальевич; Bondarev, V. S.; Бондарев, Виталий Сергеевич; Korotkov, L. N.; Rysiakiewicz-Pasek, E.
}
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20.
Fedorov, A. S.
Ab initio study of
hydrogen
chemical adsorption on platinum surface/carbon nanotube join system / A. S. Fedorov, P. B. Sorokin, A. A. Kuzubov> // Phys. Status Solidi B. - 2008. -
Vol. 245
,
Is. 8
. - P. 1546-1551,
DOI
10.1002/pssb.200844155. - Cited References: 31 . - ISSN 0370-1972
РУБ
Physics, Condensed Matter
Рубрики:
WALLED CARBON NANOTUBES
MOLECULAR-DYNAMICS
ROOM-TEMPERATURE
STORAGE
ENERGY
THERMODYNAMICS
GRAPHITE
DENSITY
POINTS
Аннотация:
The process of
hydrogen
chemical adsorption on platinum cluster/single wall carbon nanotube (CNT) join surfaces is modelled at various temperatures and pressures. For that, the adsorption energy of
hydrogen
atoms on surfaces of both platinum (111) plate and CNT (5,5) or (8,8) types is calculated by density functional theory with the PBE approximation. At various temperatures the
hydrogen
atom hopping rate on both platinum and CNT surfaces is calculated by the transition state theory. Furthermore the
hydrogen
hopping rate from the platinum surface to the attached nanotube is obtained by calculation of the total energy profile. It is proved that
hydrogen
atoms can migrate easily at the platinum surface at all temperatures, but at the CNT surface they can migrate beginning at 400-500 K. By calculation of chemical potentials of
hydrogen
in gas or on CNT or platinum cluster surfaces the equilibrium density of adsorbed
hydrogen
was calculated at different temperatures and pressures. It is established that for all temperatures in the range 300-900 K and for all pressures less than 500 bar, the
hydrogen
is dissociated and chemically adsorbed on the platinum surface very effectively, but surface site occupation by
hydrogen
on attached CNT surface is rather small. But if CNT vacancies are present in the tube structure and the temperature is lower then 450 K,
hydrogen
atoms can be adsorbed effectively enough on these vacancies. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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Держатели документа:
[Fedorov, Alexander S.
Sorokin, Pavel B.
Kuzubov, Alexander A.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Fedorov, Alexander S.] Moscow Railroad Transport Engn Inst, Krasnoyarsk 660028, Russia
[Sorokin, Pavel B.
Kuzubov, Alexander A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirensky Institute of Physics, Akademgorodok, 660036 Krasnoyarsk, Russian Federation
Railroad Transport Institute, 660028 Krasnoyarsk, Russian Federation
Siberian Federal University, 79 Svobodniy av, 660041 Krasnoyarsk, Russian Federation
Доп.точки доступа:
Sorokin, P. B.; Kuzubov, A. A.; Кузубов, Александр Александрович; Федоров, Александр Семенович
}
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