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Kind, V. V.
The manifestation of intermolecular hydrogen-bond in a binary naphthalene-β-naphthol mixture / V. V. Kind, V. P. Fedorov, A. V. Korshunov // Phys. Status Solidi B. - 1981. - Vol. 108, Is. 2. - P. K143-144, DOI 10.1002/pssb.2221080262. - Cited References: 5 . - ISSN 0370-1972

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Fedorov, V. P.; Федоров, Валентин Пантелеевич; Korshunov, A. V.; Коршунов, Анатолий Васильевич; Кинд, Виктор Викторович
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SE-77 HIGH-RESOLUTION NMR-STUDY OF FERROELECTRIC TRANSITION IN AMMONIUM HYDROGEN SELENATE / I. P. ALEKSANDROVA [и др.] // Fiz. Tverd. Tela. - 1982. - Vol. 24, Is. 6. - P. 1677-1680. - Cited References: 12 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
ALEKSANDROVA, I. P.; ROZANOV, O. V.; SUKHOVSKII, A. A.; MOSKVICH, Y. N.
}
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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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Scopus
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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HYDROGEN COMPLEX OF PENTAFLUOROBENZENE WITH DIMETHYLSULFOXIDE / G. D. KHOLOPOVA [и др.] // Khimicheskaya Fiz. - 1984. - Vol. 3, Is. 4. - P. 618-619. - Cited References: 6 . - ISSN 0207-401X

РУБ Physics, Atomic, Molecular & Chemical

WOS
Доп.точки доступа:
KHOLOPOVA, G. D.; BONDARENKO, V. S.; KUZMIN, V. I.; RUBAILO, A. I.
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POLYMORPHISM OF THE HIGHLY DEUTERATED AMMONIUM HYDROGEN SELENATE / A. A. SUKHOVSKY [et al.] // Ferroelectr. Lett. Sect. - 1984. - Vol. 3, Is. 2. - P. 45-52, DOI 10.1080/07315178408200584. - Cited References: 19 . - ISSN 0731-5171

РУБ Physics, Condensed Matter

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Scopus
Доп.точки доступа:
SUKHOVSKY, A. A.; Суховский, Андрей Андреевич; MOSKVICH, Y. N.; ROZANOV, O. V.; ALEKSANDROVA, I. P.; Александрова, Инга Петровна
}
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MOSKVICH, Y. N.
NMR-STUDY OF ION MOTION IN CESIUM HYDROGEN SELENATE / Y. N. MOSKVICH, A. M. POLYAKOV, A. A. SUKHOVSKII // Fiz. Tverd. Tela. - 1988. - Vol. 30, Is. 1. - P. 45-54. - Cited References: 19 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
POLYAKOV, A. M.; SUKHOVSKII, A. A.
}
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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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Quantum nonlinear resonance and quantum chaos in Aharonov-Bohm oscillations in mesoscopic semiconductor rings / G. P. Berman [et al.] // Phys. Rev. B. - 1997. - Vol. 56, Is. 16. - P. 10338-10354, DOI 10.1103/PhysRevB.56.10338. - Cited References: 51 . - ISSN 0163-1829

РУБ Physics, Condensed Matter
Рубрики:
EXCITED HYDROGEN-ATOMS
   FREQUENCY ELECTROMAGNETIC-FIELD
   PERSISTENT CURRENTS
   NORMAL-METAL
   ENERGY SPACE
   LOCALIZATION
   TRANSPORT
   LOOP
   TIME
   TRANSMISSION
Аннотация: We consider Aharonov-Bohm oscillations in a mesoscopic semiconductor ring threaded by both a constant magnetic flux and a time-dependent, resonant magnetic field with one or two frequencies. Working in the ballistic regime, we establish that the theory of ''quantum nonlinear resonance'' applies, and thus that this system represents a possible solid-state realization of ''quantum nonlinear resonance'' and ''quantum chaos.'' In particular, we investigate the behavior of the time-averaged electron energy at zero temperature in the regimes of (i) an isolated quantum nonlinear resonance and (ii) the transition to quantum chaos, when two quantum nonlinear resonances overlap. The time-averaged energy exhibits sharp resonant behavior as a function of the applied constant magnetic flux, and has a staircase dependence on the amplitude of the external time-dependent field. In the chaotic regime, the resonant behavior exhibits complex structure as a function of flux and frequency. We compare and contrast the quantum chaos expected in these mesoscopic ''solid-state atoms'' with that observed in Rydberg atoms in microwave fields, and discuss the prospects for experimental observation of the effects we predict.

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Держатели документа:
LOS ALAMOS NATL LAB,CTR NONLINEAR STUDIES,LOS ALAMOS,NM 87545
LV KIRENSKII INST PHYS,KRASNOYARSK 660036,RUSSIA
UNIV ILLINOIS,DEPT PHYS,URBANA,IL 61801
UKRAINIAN ACAD SCI,INST LOW TEMP PHYS & ENGN,UA-310164 KHARKOV,UKRAINE
ИФ СО РАН

Доп.точки доступа:
Berman, G. P.; Bulgakov, E. N.; Булгаков, Евгений Николаевич; Campbell, D. K.; Krive, I. V.
}
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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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10.

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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11.

Ground state and phase transitions in a system of arg-cysteamines self-assembled on a Au(111) crystal surface / A. F. Sadreev [et al.] // J. Chem. Phys. - 2004. - Vol. 120, Is. 2. - P. 954-960, DOI 10.1063/1.1631920. - Cited References: 38 . - ISSN 0021-9606

РУБ Physics, Atomic, Molecular & Chemical
Рубрики:
MOLECULAR-DYNAMICS SIMULATION
   HYDROGEN-BOND
   MONOLAYERS
   MODEL
   GOLD
   PEPTIDES
   ALKANETHIOLS
   ACTIVATION
   FILMS
   CYS
Кл.слова (ненормированные):
Gold -- Ground state -- Hydrogen bonds -- Molecules -- Phase transitions -- Self assembly -- Surfaces -- Temperature -- Arg-cysteamines -- Crystal surface -- Dipole moments -- Dipole-dipole interactions -- Molecular dynamics
Аннотация: The translational and orientation order of arg-cysteamine molecules chemiabsorbed on the Au(111) crystal surface is considered. Couplings between carbon, nitrogen, and hydrogen atoms of the n-alkanethiols are approximated by the Lennard-Jones potential. Moreover, hydrogen bonds between oxygen and nitrogen and dipole-dipole interactions of the dipole moments of different atomic groups are taken into account. It is found that molecules are arranged in a 2x2 lattice and have the total symmetry C(6)xZ(2). The critical temperature of the phase transition to the tilted state T-c1, which breaks the symmetry C-6, is estimated to be extremely high. The spontaneous breakdown of the remaining symmetry Z(2) leads to the twisted state of the molecules and has the critical temperature T-c2=340 K. (C) 2004 American Institute of Physics.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Linkoping Univ, Dept Phys & Measurement Technol, S-58183 Linkoping, Sweden
ИФ СО РАН
Kirensky Institute of Physics, 660036, Krasnoyarsk, Russian Federation
Dept. of Phys. and Msrmt. Technology, Linkoping University, S-581 83 Linkoping, Sweden

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Sukhunin, Y. V.; Petoral, R. M.; Uvdal, K.
}
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12.

Fedorov, A. S.
Density and thermodynamics of hydrogen adsorbed inside narrow carbon nanotubes / A. S. Fedorov, S. G. Ovchinnikov ; Translated by A. Kazantsev // Phys. Solid State. - 2004. - Vol. 46, Is. 3. - P. 584-589, DOI 10.1134/1.1687883. - Cited References: 21. - This study was supported by the federal program “Integration,” project no. Б0017 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
MOLECULAR-DYNAMICS
   TRANSITIONS
   TRANSPORT
   ENERGY
   TUBES
Аннотация: A model is proposed for calculating the thermodynamic functions and the equilibrium density of a one-dimensional chain of molecules (atoms) adsorbed inside a narrow nanotube. The model considers both the interaction between introduced atoms (molecules) and their interaction with the nanotube walls. The quantum-mechanical effects resulting in discrete energy levels of a particle and in its smeared position between neighbors are taken into account. In calculating the free energy at a nonzero temperature, the phonon contribution and the particle transitions to excited levels are considered. The model is applied to calculate the thermodynamic parameters of adsorbed hydrogen molecules inside extremely narrow single-wall carbon nanotubes of the (3,3) and (6,0) type. It is shown that external pressure gives rise to a sequence of first-order phase transitions, which change the density of adsorbed hydrogen molecules. (C) 2004 MAIK "Nauka / Interperiodica".

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Переводная версия Федоров, Александр Семенович. Плотность и термодинамика водорода, адсорбированного внутри узких углеродных нанотрубок [Текст] / А. С. Федоров, С. Г. Овчинников // Физ. тверд. тела. - 2004. - Т. 46 Вып. 3. - С. 563-568

Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Krasnoyarsk State Tech Univ, Fac New Mat & Technol, UNESCO, Krasnoyarsk 660074, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
UNESCO Fac. New Mat./Technologies, Krasnoyarsk Stt. Tech. University, Krasnoyarsk, 660074, Russian Federation

Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Kazantsev, A. \пер.\; Федоров, Александр Семенович
}
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13.

Nuclear spin resonance study of the ion mobility in a KHSeO4 crystal / Y. N. Ivanov [et al.] // Phys. Solid State. - 2004. - Vol. 46, Is. 10. - P. 1845-1850, DOI 10.1134/1.1809417. - Cited References: 15 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
POTASSIUM HYDROGEN SULFATE
EXCHANGE NMR
SOLIDS
Аннотация: The ion mobility in a crystal of partially deuterated potassium hydroselenate (KHSe) was studied using nuclear spin resonance (NSR) of H-1, H-2, Se-77, and K-39 in a wide temperature range. The temperature dependences of the deuterium NSR spectra above 360 K exhibit changes in the line shape characteristic of chemical exchange processes. These exchange processes were studied in detail using two-dimensional H-2 NSR spectroscopy. It was ascertained that the exchange between deuterons of hydrogen bonds take place in the entire temperature range under study. However, the measured conductivity was approximately one-hundredfold lower than that estimated from the exchange frequencies. It was assumed that the low conductivity in the temperature range under study is caused by closed dimers of SeO4 groups in the KHSe structure. (C) 2004 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Univ Leipzig, D-04103 Leipzig, Germany
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Leipzig University, Leipzig, D-04103, Germany

Доп.точки доступа:
Ivanov, Y. N.; Иванов, Юрий Николаевич; Sukhovskii, A. A.; Суховский, Андрей Андреевич; Aleksandrova, I. P.; Александрова, Инга Петровна; Totz, J.; Michel, D.
}
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14.

Hydrogen sorption by carbon-based substances formed in carbon-helium plasma / G. N. Churilov [et al.] // Tech. Phys. Lett. - 2005. - Vol. 31, Is. 3. - P. 233-234, DOI 10.1134/1.1894442. - Cited References: 7 . - ISSN 1063-7850

РУБ Physics, Applied

Аннотация: Hydrogen sorption by various carbonaceous products formed during arc discharge in carbon-helium plasma has been studied. The main product fractions included a fullerene-containing soot, a fullerene mixture extract, a condensate containing carbon nanotubes, and carbonized aluminum oxide. Molecular hydrogen is most effectively sorbed by single-wall carbon nanotubes contained in the carbon condensate fraction. (C) 2005 Pleiades Publishing, Inc.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Churilov, G. N.; Чурилов, Григорий Николаевич; Kostinevich, E. M.; Marchenko, S. A.; Glushchenko, G. A.; Глущенко, Гарий Анатольевич; Bulina, N. V.; Булина, Наталья Васильевна; Zaitsev, A. I.; Зайцев, Александр Иванович; Vnukova, N. G.; Внукова, Наталья Григорьевна
}
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15.

Fedorov, A. S.
Density and thermodynamics of hydrogen adsorbed on the surface of single-walled carbon nanotubes / A. S. Fedorov, P. B. Sorokin // Phys. Solid State. - 2006. - Vol. 48, Is. 2. - P. 402-407, DOI 10.1134/S1063783406020351. - Cited References: 22 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
MOLECULAR-DYNAMICS
   ROOM-TEMPERATURE
   STORAGE
   ADSORPTION
   H-2
   TRANSITIONS
   TUBES
Аннотация: A method is proposed for calculating the adsorption of hydrogen in single-walled carbon nanotubes. This method involves solving the Schrodinger equation for a particle (hydrogen molecule) moving in a potential generated by the surrounding hydrogen molecules and atoms forming the wall of the carbon nanotube. The interaction potential for hydrogen molecules is taken in the form of the Silvera-Goldman empirical potential, which adequately describes the experimental data on the interaction between H(2) molecules (including the van der Waals interaction). The interaction of hydrogen molecules with carbon atoms is included in the calculation through the Lennard-Jones potential. The free energy at a nonzero temperature is calculated with allowance made for the phonon contribution, which, in turn, makes it possible to take into account the correlations in the mutual arrangement of the neighboring molecules. The dependences of the total energy, the free energy, and the Gibbs thermodynamic potential on the applied pressure P and temperature T are calculated for adsorbed hydrogen molecules. These dependences are obtained for the first time with due regard for the quantum effects. The pressure and temperature dependences of the hydrogen density m(P, T) are also constructed for the first time.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Sorokin, P. B.; Федоров, Александр Семенович
}
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16.

Reply to "Comment on 'Unusual magnetic transitions and nature of magnetic resonance spectra in oxide glasses containing gadolinium' " / J. . Kliava [et al.] // Phys. Rev. B. - 2006. - Vol. 74, Is. 2. - Ст. 26404, DOI 10.1103/PhysRevB.74.026404. - Cited References: 8 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
WALLED CARBON NANOTUBES
HYDROGEN
Аннотация: In this Reply we show that, contrary to the suggestion of Dubroca, Hack, and Hummel (DHH), the feature observed at ca. 55 K in the magnetic susceptibility of gadolinium-containing oxide glasses [as in our earlier paper, Kliava Phys. Rev. B 71, 104406 (2005)] cannot be due to a magnetic transition in oxygen contaminant. In support of this statement, we supply transformed data at low Gd content as well as magnetization curves for a series of glasses containing dysprosium oxide measured with the same superconducting quantum interference device as in our earlier paper. In all these cases the feature in question is absent. Thus, our previous assignment of the 55 K feature to a paramagnetic-to-ferromagnetic transition in Gd clusters in the glass remains the only one consistent with the experimental results.

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Держатели документа:
Univ Bordeaux 1, CPMOH, UMR 5798, CNRS, F-33405 Talence, France
Bar Ilan Univ, Dept Chem, IL-52900 Ramat Gan, Israel
RAS, SB, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
SI Vavilov State Opt Inst, St Petersburg 199034, Russia
Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
ИФ СО РАН
CPMOH, UMR 5798 CNRS, Universite Bordeaux-I, 33405 Talence Cedex, France
Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel
L. V. Kirensky Institute of Physics SB RAS, Krasnoyarsk 660036, Russian Federation
S. V. Vavilov State Optical Institute, St. Petersburg 199034, Russian Federation
Department of Physics, Bar-Ilan University, Ramat-Gan 52900, Israel

Доп.точки доступа:
Kliava, J.; Malakhovskii, A. V.; Малаховский, Александр Валентинович; Edelman, I. S.; Эдельман, Ирина Самсоновна; Potseluyko, A. M.; Melnikova, S. V.; Мельникова, Светлана Владимировна; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Zarubina, T. V.; Petrovskii, G.; Bruckental, I.; Yeshurun, Y.
}
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17.

Superlattices consisting of "lines" of adsorbed hydrogen atom pairs on graphene / L. A. Chernozatonskii [et al.] // JETP Letters. - 2007. - Vol. 85, Is. 1. - P. 77-81, DOI 10.1134/S002136400701016X. - Cited References: 25 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
CARBON NANOTUBES
   ELECTRON-GAS
   GRAPHITE
   FILMS
   PSEUDOPOTENTIALS
Аннотация: The structures and electron properties of new superlattices formed on graphene by adsorbed hydrogen molecules are theoretically described. It has been shown that superlattices of the (n, 0) zigzag type with linearly arranged pairs of H atoms have band structures similar to the spectra of (n, 0) carbon nanotubes. At the same time. superlattices of the (n, n) type with a "staircase" of adsorbed pairs of H atoms are substantially metallic with a high density of electronic states at the Fermi level and this property distinguishes their spectra from the spectra of the corresponding (n, n) nanotubes. The features of the spectra have the Van Hove form, which is characteristic of each individual superlattice. The possibility of using such planar structures with nanometer thickness is discussed.

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Держатели документа:
Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119334, Russia
Humboldt Univ, Inst Math, D-12489 Berlin, Germany
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660049, Russia
ИФ СО РАН
Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119334, Russian Federation
Institute of Mathematics, Humboldt University of Berlin, Berlin, 12489, Germany
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660049, Russian Federation

Доп.точки доступа:
Chernozatonskii, L. A.; Sorokin, P. B.; Belova, E. E.; Bruning, J.; Fedorov, A. S.; Федоров, Александр Семенович
}
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18.

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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19.

Theoretical study and experimental investigation of hydrogen absorption by carbon nanomaterials / G. N. Churilov [et al.] // NATO Science for Peace and Security Series A: Chemistry and Biology. - 2007. - Т. 2007, № . - С. 127-132, DOI 10.1007/978-1-4020-5514-0_14 . - ISSN 1874-6489

ГРНТИ

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eLibrary
Держатели документа:
Bar-Ilan University
Kirensky Institute of Physics SB RAS
Krasnoyarsk State Technical University
Universidad Autonoma De Ciudad Juarez
Доп.точки доступа:
Churilov, G. N. ; Чурилов Григорий Николаевич; Fedorov, A. S. ; Федоров, Александр Семенович; Sorokin, P. B.; Сорокин, Павел Борисович; Novikov, P. V.; Новиков, Павел Вадимович; Bulina, N. V.; Булина, Наталья Васильевна; Marchenko, S. A. ; Martinez, Yu. S. ; Gedanken, A.
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20.

Fedorov, A. S.
New principle of hydrogen adsorption inside nanotubes / A. S. Fedorov, A. A. Kuzubov // Phys. Status Solidi B. - 2007. - Vol. 244: 21st International Winterschool on Electronic Properties of Novel Materials (MAR 10-17, 2007, Kirchberg, AUSTRIA), Is. 11. - P/. 4327-4330, DOI 10.1002/pssb.200776181. - Cited References: 4 . - ISSN 0370-1972

РУБ Physics, Condensed Matter

Аннотация: A new principle of hydrogen (or other gases) adsorption inside single-wall nanotubes is proposed. This principle is based on the mixing of hydrogen with a small quantity of special additive molecules. The diameter of these molecules is chosen to be 2.5-4 angstrom smaller than the nanotube diameter, so these molecules can move along the tube axis. Due to interaction of the molecules and the nanotube walls this molecular movement has potential barriers which should be similar to 0.5-1 eV for the best effect. At those values the mobility of these molecules would be very low at ambient conditions. At high pressures and temperatures (600-900 K) the additive molecules have high mobility, so they can penetrate through open ends into nanotubes quite easily together with molecular hydrogen. These molecules divide the whole volume of the nanotube in separate parts in which the hydrogen molecular gas is locked under high pressure. The main part of the hydrogen is physically adsorbed on the inner walls of the nanotube. After decreasing the temperature the mobility of additive molecules is strongly decreased and hydrogen becomes accumulated inside all parts of the nanotube. As an example, hydrogen adsorption inside boron nitride nanotubes (8,8) is investigated. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Федоров, Александр Семенович
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