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Magnetization curve of a thin magnetic film in the difficult direction in presence of amplitude dispersion of anisotropy / R. E. Ershov // Russ. Phys. J. - 1974. - Vol. 15, Is. 10. - P. 1482-1484, DOI 10.1007/BF00892100 . - ISSN 0038-5697

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Держатели документа:
Krasnoyarsk State University, Russia

Доп.точки доступа:
Ershov, R.E.
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Krasikov, V. S.
High-frequency dielectric-dispersion in ferroelectric acid sulfates / V. S. Krasikov, S. V. Ogurtsov, E. F. Ushatkin // Fiz. Tverd. Tela. - 1981. - Vol. 23, Is. 11. - P. 3425-3428. - Cited References: 4 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
Ogurtsov, S. V.; Ushatkin, E. F.
}
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KRASIKOV, V. S.
DIELECTRIC-DISPERSION IN THE NH4HSEO4 FERROELECTRIC / V. S. KRASIKOV, S. V. OGURTSOV, M. P. ZAITSEVA // Fiz. Tverd. Tela. - 1982. - Vol. 24, Is. 2. - P. 641-643. - Cited References: 6 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
OGURTSOV, S. V.; ZAITSEVA, M. P.
}
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Prokert, F.
Neutron scattering studies on phase transition and phonon dispersion in Cs//2NaBiCl//6 / F. Prokert, K. S. Aleksandrov // Phys Status Solidi B. - 1984. - Vol. 124, Is. 2. - P. 503-513, DOI 10.1002/pssb.2221240208. - Cited References: 24 . - ISSN 0370-1972
Кл.слова (ненормированные):
NEUTRONS - Scattering -- PHONONS -- PHASE TRANSITION -- PHONON DISPERSION -- CESIUM COMPOUNDS
Аннотация: The structural phase transition (PT) of elpasolite-type crystal Cs//2NaBiCl//6 is investigated by neutron scattering. At first the acoustic phonon dispersion is measured at room temperature for the high-symmetric directions DELTA , SIGMA , and LAMBDA of the Brillouin zone. The transverse rotary mode is studied for phonon wave vectors q parallel as well as perpendicular to DELTA and the dispersion shows a quasi-two-dimensional behavior of the Cl-octahedra rotation. At cooling down to the PT, this branch shows a softening along DELTA , reaching the lowest energies at the zone center. The PT, which is found to be of weakly first order, seems to be driven and triggered by the ferrorotative octahedra mode.

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Держатели документа:
LV Kirensky Phys Inst,Krasnoyarsk 660036,,USSR
ИФ СО РАН

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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KUBAREV, Y. G.
RAMAN SPIN-LATTICE RELAXATION AND DISPERSION OF DAMPED OPTICAL PHONON FREQUENCIES AT PHASE-TRANSITION / Y. G. KUBAREV // Ferroelectr. Lett. Sect. - 1988. - Vol. 9, Is. 2. - P. 39-42, DOI 10.1080/07315178808200697. - Cited References: 3 . - ISSN 0731-5171

РУБ Physics, Condensed Matter

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Kubarev, Y. G.
Raman spin-lattice relaxation and dispersion of damped optical phonon frequencies at phase-transition / Y. G. Kubarev // Ferroelectr. Lett. Sect. - 1988. - Vol. 8, Is. 5-6. - P. 113-116. - Cited References: 3 . - ISSN 0731-5171

РУБ Physics, Condensed Matter

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ISKHAKOV, R. S.
EXPERIMENTAL-STUDY OF A MODIFIED DISPERSION-RELATION FOR SPIN-WAVES IN MULTILAYERED FILMS / R. S. ISKHAKOV, A. S. CHEKANOV, L. A. CHEKANOVA // Fiz. Tverd. Tela. - 1990. - Vol. 32, Is. 2. - P. 441-447. - Cited References: 11 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
CHEKANOV, A. S.; CHEKANOVA, L. A.
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Deich, L. I.
Phonon spectroscopy of inhomogeneities in disordered solids / L. I. Deich, V. A. Ignatchenko // Solid State Commun. - 1991. - Vol. 80, Is. 10. - P. 881-884, DOI 10.1016/0038-1098(91)90525-Z. - Cited References: 15 . - ISSN 0038-1098

РУБ Physics, Condensed Matter
Рубрики:
SPIN-WAVES
   AMORPHOUS FILMS
   DISPERSION
   FERROMAGNETS
Аннотация: A possibility to use elastic waves for investigation of inhomogeneities corresponding in size to intermediate order in disordered solids is considered. It is shown that frequency dependencies of phase and group velocities of the elastic waves have some peculiarities which give the possibilities to find the characteristic size of inhomogenities and to determine the parameter of a matter whose fluctuations are most significant for the phenomena under study.

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Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
ИФ СО РАН

Доп.точки доступа:
Ignatchenko, V. A.; Игнатченко, Вальтер Алексеевич; Дейч, Лев Исаакович
}
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Melnikova, S. V.
Dispersion of optical-properties of A4CDX6 trigonal crystals / S. V. Melnikova, T. N. Davydova // Fiz. Tverd. Tela. - 1992. - Vol. 34, Is. 7. - P. 2094-2097. - Cited References: 8 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
Davydova, T. N.; Мельникова, Светлана Владимировна
}
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10.

Dispersion of Faraday rotation in Co/SiO2 multilayer films / I. S. Edelman [et al.] // JETP Letters. - 1996. - Vol. 63, Is. 4. - P. 273-277, DOI 10.1134/1.567015. - Cited References: 9 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
PARTICLES
Аннотация: The Faraday rotation spectra of Co/SiO2 multilayer films were found to be substantially different from the well-known spectra of homogeneous Co films. The character of these changes was studied as a function of the thicknesses of the ferromagnetic metal and the nonmagnetic dielectric layers. (C) 1996 American Institute of Physics.

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Держатели документа:
L. V. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, 660036 Krasnoyarsk, Russian Federation
ИФ СО РАН

Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Morozova, T. P.; Zabluda, V. M.; Kim, T. A.; Turpanov, I. A.; Турпанов, Игорь Александрович; Betenkova, A. Ya.; Бетенькова, Анна Яковлевна; Dynnik, Y. A.
}
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11.

Ovchinnikov, S. G.
Quasiparticles in strongly correlated electronic systems in cuprate oxides / S. G. Ovchinnikov // Uspekhi Fiz. Nauk. - 1997. - Vol. 167, Is. 10. - P. 1043-1068. - Cited References: 227 . - ISSN 0042-1294

РУБ Physics, Multidisciplinary
Рубрики:
T-J-MODEL
   HIGH-TEMPERATURE SUPERCONDUCTORS
   DIMENSIONAL HUBBARD-MODEL
   QUASI-PARTICLE DISPERSION
   HEISENBERG-ANTIFERROMAGNET SR2CUO2CL2
   ANGLE-RESOLVED PHOTOEMISSION
   CHARGE FLUCTUATION REGIME
   SADDLE-POINT SINGULARITY
   SINGLET-TRIPLET MODEL
   LA-SR-CU
Аннотация: New experimental and theoretical results on the electronic structure and spectral properties of quasiparticles in cuprate oxides are reviewed. It is shown that the electronic structure transforms from antiferromagnetic insulators to optimally doped high-temperature superconductors as the doping level is varied. The experimental methods considered are primarily angular resolved photoelectron spectroscopy (ARPES), neutron scattering, and NMR. Two types of electronic structure calculations for data interpretation purposes are considered, namely, exact numerical methods for finite clusters (exact diagonalisation and the quantum Monte Carlo method) and approximate schemes for the infinite lattice. As a result, a coherent unified picture emerges, in which the magnetic polaron of a weakly doped antiferromagnetic lattice transforms into a system of Fermi particles dressed by short-range antiferromagnetic type spin fluctuations. In the region of weakly doped metal compositions, deviations from Fermi-liquid properties are seen, such as the failure of Luttinger's theorem, shadowy photoemission bands, and the spin pseudogap effect in spectral and thermodynamic measurements. The situation in the neighbourhood of the insulator-metal concentration transition is described as least understood.

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Доп.точки доступа:
Овчинников, Сергей Геннадьевич
}
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12.

Aplesnin, S. S.
Quantum Monte Carlo investigation of the magnetic properties of weakly interacting antiferromagnetic chains with an alternating exchange interaction with spin S=1/2 / S. S. Aplesnin // J. Exp. Theor. Phys. - 2000. - Vol. 90, Is. 1. - P. 194-201, DOI 10.1134/1.559075. - Cited References: 35 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
PEIERLS COMPOUND CUGEO3
   MAGNON DISPERSION
   BI2CUO4
   EXCITATIONS
   RESONANCE
   SYSTEMS
   SCATTERING
   DYNAMICS
   NEUTRON
   PHASE
Аннотация: An approximation dependence of the spontaneous magnetic moment at a site, sigma/sigma(0) - 1 = 0.71(6)delta(2.5(2)), and the antiferromagnet-singlet state phase boundary, J(2)/J(1) = 0.52(3)delta, are determined by the quantum Monte Carlo method in the self-consistent sublattice molecular field approximation for weakly interacting (J(2)) antiferromagnetic chains with spin S = 1/2 and alternating exchange interaction (J(1) +/- delta). The Neel temperature and a number of critical temperatures which could be related with the filling energy of two singlets (Delta S-z = 0) and one triplet (Delta S-z= 1) spin bands, each of which is split by the sublattice field (h(x,y)not equal h(z)) into two subbands, are determined on the basis of the computed correlation radii of the two- and four-spin correlation function, the squared total spin (S-z)(2) with respect to the longitudinal components, the dimerization parameter, and the correlation functions between the nearest neighbors with respect to longitudinal and transverse spin components. On the basis of the Monte Carlo calculations, the critical temperatures and possible energy gaps at the band center are determined for the antiferromagnets CuWO4 and Bi2CuO4 and for the singlet compounds (VO)(2)P2O7 and CuGeO3 , agreeing satisfactorily with existing results, and new effects are also predicted. (C) 2000 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Аплеснин, Сергей Степанович
}
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13.

Heat capacity and thermal expansion study of relaxor-ferroelectric Ba0.92Ca0.08Ti0.76Zr0.24O3 / M. . Gorev [et al.] // J. Phys.: Condens. Matter. - 2004. - Vol. 16, Is. 39. - P. 7143-7150, DOI 10.1088/0953-8984/16/39/045. - Cited References: 18 . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
CERAMICS
BA(TI1-XZRX)O-3
PEROVSKITES
Кл.слова (ненормированные):
Calorimetry -- Dielectric properties -- Ferroelectric materials -- Perovskite -- Phase transitions -- Solid solutions -- Specific heat -- Thermal expansion -- Adiabatic calorimetry -- Frequency dispersion -- Polar domains -- Relaxor ferroelectrics -- Barium compounds
Аннотация: Heat capacity and thermal expansion of the Ba0.92Ca0.08Ti0.76Zr0.24O3 compound is measured using the methods of adiabatic calorimetry and optic-mechanical dilatometry in the temperature range 100-370 K. Three blurred anomalies on the C-p(T) and alpha(T) dependencies are observed in the temperature range 200-360 K. The results of the studies are discussed together with data on the structure and dielectric properties in the framework of spherical random bond-random field model.

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Держатели документа:
CNRS, CEMES, F-31055 Toulouse, France
ИФ СО РАН
L V kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Gorev, M. V.; Горев, Михаил Васильевич; Flerov, I. N.; Флёров, Игорь Николаевич; Bondarev, V. S.; Бондарев, Виталий Сергеевич; Sciau, P.; Savariault, J. M.
}
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14.

Effective parameters of the band dispersion in n-type high-T-c superconductors / M. M. Korshunov [et al.] // Physica C. - 2004. - Vol. 402, Is. 4. - P. 365-370, DOI 10.1016/j.physc.2003.10.017. - Cited References: 32 . - ISSN 0921-4534

РУБ Physics, Applied
Рубрики:
DOPED CUPRATE SUPERCONDUCTORS
   TIGHT-BINDING METHOD
   QUASI-PARTICLES
   COPPER OXIDES
   LA2-XSRXCUO4
   SYMMETRY
   MODEL
   EVOLUTION
   ORDER
Кл.слова (ненормированные):
high-T-c superconductivity -- electronic correlations -- electron-doped cuprates -- Electron-doped cuprates -- Electronic correlations -- High-Tc superconductivity -- Approximation theory -- Atomic physics -- Band structure -- Binding energy -- Charge transfer -- Correlation methods -- Doping (additives) -- Electronic structure -- Hamiltonians -- Mathematical models -- Mathematical operators -- Oxide superconductors -- Perturbation techniques -- Photoelectron spectroscopy -- Atomic orbitals -- Conduction band -- Electron doped cuprates -- Electron spins -- Valence band -- High temperature superconductors
Аннотация: The electronic structure of electron-doped cuprates is discussed in the regions of small and optimal doping. For optimal doping we obtain the parameters from a simple tight-binding analysis by fitting ARPES data, and for small doping we study the band structure by the generalized tight-binding method that takes strong electronic correlations into account explicitly. This method has also reproduced well the ARPES data for small doping. The effective low-energy Hamiltonian is the t-t'-J model with hopping parameters t and t'. We compare both methods and find very good agreement for the value of t while t' is different because it is caused by the different contribution of the short-range spin correlations. (C) 2003 Elsevier B.V. All rights reserved.

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Держатели документа:
Free Univ Berlin, Inst Theoret Phys, D-14195 Berlin, Germany
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
L.V. Kirensky Institute of Physics, Siberian Branch, Russian Academy of Science, Krasnoyarsk 660036, Russian Federation
Inst. fur Theoretische Physik, Freie Universitat Berlin, Arnimallee 14, D-14195 Berlin, Germany

Доп.точки доступа:
Korshunov, M. M.; Коршунов, Максим Михайлович; Gavrichkov, V. A.; Гавричков, Владимир Александрович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Manske, D.; Eremin, I.
}
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15.

Langmayr, D.
Influence of kappa-distributed ions on the two-stream instability / D. . Langmayr, H. K. Biernat, N. V. Erkaev // Phys. Plasmas. - 2005. - Vol. 12, Is. 10. - Ст. 102103, DOI 10.1063/1.2065370. - Cited References: 30 . - ISSN 1070-664X

РУБ Physics, Fluids & Plasmas
Рубрики:
QUASI-PERPENDICULAR SHOCKS
   FIELD STREAMING INSTABILITY
   DISPERSION FUNCTION
   MIRROR INSTABILITY
   SPACE PLASMAS
   EQUILIBRIUM
Кл.слова (ненормированные):
Electromagnetic wave propagation -- Electrostatics -- Magnetism -- Magnetization -- Growth rate -- Modified two-stream instability (MTSI) -- Two-stream instability -- Plasma stability
Аннотация: This paper is the first approach for analyzing the influence of kappa-distributed particles on the modified two-stream instability (MTSI). It is assumed that the plasma consists of a magnetized Maxwellian electron contribution and unmagnetized kappa-distributed ions drifting across the electrons. Within an electrostatic approximation, the influence of the kappa parameter on the maximum growth rate of the MTSI is evaluated for the special case of parallel drift velocity and wave propagation.

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Держатели документа:
Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria
Russian Acad Sci, Inst Computat Modelling, Krasnoyarsk 660036, Russia
ИВМ СО РАН
Space Research Institute, Austrian Academy of Sciences, Schmiedlstrasse 6, A-8042 Graz, Austria
Institute of Computational Modelling, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Biernat, H. K.; Erkaev, N. V.; Еркаев, Николай Васильевич
}
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16.

Ovchinnikov, S. G.
Effective Hamiltonian for HTSC cuprates taking into account electron-phonon interaction in the strong-correlation regime / S. G. Ovchinnikov, E. I. Shneider // J. Exp. Theor. Phys. - 2005. - Vol. 101, Is. 5. - P. 844-855, DOI 10.1134/1.2149064. - Cited References: 38. - This work was supported by the Russian Foundation for Basic Research (project no. 03-02-16124), the program “Quantum Macrophysics” of the Presidium of the Russian Academy of Sciences, the Foundation in Support for Russian Science, the Foundation of Noncommercial . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTORS
   D-WAVE SUPERCONDUCTIVITY
   T-C
   DISPERSION
   SCATTERING
   OXIDES
   STATE
   MODEL
Кл.слова (ненормированные):
Electron beams -- Electronic structure -- Optimization -- Phonons -- Electron correlations -- Hubbard X operators -- Spin-photon interaction -- Hamiltonians
Аннотация: Electron-phonon interaction is sequentially derived from a realistic p-d multiband model for the cuprates under conditions of strong electron correlations. The electronic structure is described using the representation of the Hubbard X operators in a generalized tight-binding method. Dependences of the diagonal and off-diagonal (on lattice sites) matrix elements of electron-phonon interaction on the wavevectors are found for three phonon modes, namely, breathing, apical breathing, and bending modes. The interactions of the breathing and bending modes with electrons are shown to contribute to the formation of kinks in the (0; 0)-(pi; pi) and (0; 0)-(pi; 0) directions, respectively. A low-energy t-J* model with phonons is developed; apart from electron-phonon interaction, it also includes spin-phonon interaction. The elimination of phonons gives an effective electron-electron interaction that depends on the occupation number of a multielectron term and on the carrier concentration due to strong electron correlations. (c) 2005 Pleiades Publishing, Inc.

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Публикация на русском языке Овчинников, Сергей Геннадьевич. Эффективный гамильтониан для ВТСП-купратов с учетом электрон-фононного взаимодействия в режиме сильных корреляций [Текст] / С. Г. Овчинников, Е. И. Шнейдер // Журнал экспериментальной и теоретической физики. - 2005. - Т. 128 Вып. 5. - С. 974-986

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

Доп.точки доступа:
Shneider, E. I.; Шнейдер, Елена Игоревна; Овчинников, Сергей Геннадьевич
}
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17.

Photonic crystals with resonantly absorbing defects / V. G. Arkhipkin [et al.] ; ed. Vetrov, SY // LFNM 2006: 8th International Conference on Laser and Fiber-Optical Networks Modeling, Proceedings : IEEE, 2006. - P. 313-316. - Cited References: 12 . - ISBN 1-4244-0233-6

РУБ Instruments & Instrumentation + Optics + Telecommunications
Рубрики:
MICROCAVITIES
DISPERSION
SPECTRA
Кл.слова (ненормированные):
photonic crystal -- photonic band gap -- resonantly absorbing gas -- light localization
Аннотация: We show that the defect mode of photonic crystal with resonantly absorbing gas in defect is splitted due to effects of linear absorption and dispersion of resonant atoms. The splitting and shape of the lines is very sensitive to an incidence-angle of radiation on PC. The cases of one and two defects are considered.

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Доп.точки доступа:
Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Myslivets, S. A.; Мысливец, Сергей Александрович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Shabanov, A. V.; Шабанов, Александр Васильевич; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Timofeev, V. P.; Vetrov, S. Y. \ed.\; International Conference on Laser and Fiber-Optical Networks Modeling (8 ; 2006 ; Jun 29-Jul 01 ; Kharkiv)
}
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18.

Arkhipkin, V. G.
Effect of electromagnatically induced transparency on spectrum of defect modes of photonic crystal - art. no. 67292H / V. G. Arkhipkin, S. A. Myslivets, I. V. Timofeev ; ed.: VN Belyi, KN Drabovich, KN Drabovich ; International Conference on Coherent and Nonlinear Optics (2007) // ICONO 2007: Coherent and nonlinear optical phenomena. Ser. proceedings of the society of photo-optical instrumentation engineers (SPIE) / International Conference on Coherent and Nonlinear Optics (2007) : SPIE-Int. Soc. Optical Engineering, 2007. - Vol. 6729. - P. H7292-H7292, DOI 10.1117/12.751966. - Cited References: 33 . - ISBN 0277-786X. - ISBN 978-0-8194-6886-4

РУБ Optics
Рубрики:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
   NONLINEAR OPTICS
   COHERENT MEDIA
   LIGHT
   MICROCAVITIES
   PULSES
Кл.слова (ненормированные):
photonic crystal -- defect mode -- photonic band gap -- localized mode -- electromagnetically induced transparency -- Defect mode -- Electromagnetically induced transparency -- Localized mode -- Photonic band gap -- Photonic crystal -- Crystal defects -- Dispersion (waves) -- Electromagnetic field effects -- Transparency -- Photonic crystals
Аннотация: The effect of electromagnetically induced transparency on the spectrum of defect modes of one-dimensional photonic crystal is discussed theoretically. Narrowing of defect mode linewidth is predicted due to nonabsorbing highly dispersive medium in defect layer.

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Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Belyi, VN \ed.\; Drabovich, K. N. \ed.\; Архипкин, Василий Григорьевич; International Conference on Coherent and Nonlinear Optics(2007)
}
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19.

    Beznosikov, B. V.
    Prediction of compounds related to InFeZn2O5 / B. V. Beznosikov, K. S. Aleksandrov // J. Struct. Chem. - 2008. - Vol. 49, Is. 1. - P. 42-46, DOI 10.1007/s10947-008-0006-7. - Cited References: 17 . - ISSN 0022-4766
Рубрики:
DIELECTRIC-DISPERSION
   ERFE2O4
   LUFE2O4
Кл.слова (ненормированные):
crystal -- hexagonal layered structures -- prediction of compounds
Аннотация: The results of crystal-chemical analysis of layered hexagonal structures related to InFeZn2O5 and having space group P6(3)/mmc are reported. It was found that more than 250 new compounds could be synthesized. Multilayered compounds of other compositions are possible.

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Публикация на русском языке Безносиков, Борис Валерьевич. Прогноз соединений, родственных InFeZn2O5 [Текст] / Б. В. Безносиков, К. С. Александров // Журн. структ. химии. - 2008. - Т. 49 № 1. - С. 47-51

Держатели документа:
[Beznosikov, B. V.
Aleksandrov, K. S.] Russian Acad Sci, Siberian Div, LV Kirenskii Inst Phys, Krasnoyarsk, Russia
ИФ СО РАН

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Безносиков, Борис Валерьевич
}
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20.

Selective excitation of E-1(LO) and A(1)(LO) phonons with large wave vectors in the Raman spectra of hexagonal InN / V. Y. Davydov [et al.] // Phys. Rev. B. - 2009. - Vol. 80, Is. 8. - Ст. 81204, DOI 10.1103/PhysRevB.80.081204. - Cited References: 15. - We are thankful to B. N. Mavrin and A. N. Vtyurin for the arrangement NIR measurements and S. A. Permogorov for the critical reading of the manuscript. This work was supported by RFBR (Grant No. 09-02-01280), NSC-RFBR (Grant No. 08-02-92003-HHC), and the Program of RAS "New materials and structures." . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
SCATTERING
RESONANCE
Кл.слова (ненормированные):
III-V semiconductors -- indium compounds -- phonon dispersion relations -- Raman spectra -- wide band gap semiconductors
Аннотация: It is shown that dispersions of E-1(LO) and A(1)(LO) modes of InN can be restored in a wide interval of wave vectors by studying impurity-induced first-order Raman scattering as a function of exciting light energy. It is also shown that due to the resonance character of scattering the observed phonon energies correspond to the wave vectors strictly defined by exciting photon energies. The frequencies of E-1(LO) and A(1)(LO) phonons at the Gamma point obtained by extrapolation to zero wave vectors were found to be 604 and 592 cm(-1), respectively.

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Держатели документа:
[Davydov, V. Yu.
Klochikhin, A. A.
Smirnov, A. N.
Strashkova, I. Yu.] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
[Klochikhin, A. A.] Inst Nucl Phys, St Petersburg 350000, Russia
[Krylov, A. S.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Lu, Hai
Schaff, William J.] Cornell Univ, Dept Elect & Comp Engn, Ithaca, NY 14853 USA
[Lee, H. -M.
Hong, Y. -L.
Gwo, S.] Natl Tsing Hua Univ, Dept Phys, Hsinchu 30013, Taiwan
ИФ СО РАН
Ioffe Physical-Technical Institute, 194021 St. Petersburg, Russian Federation
Nuclear Physics Institute, 350000 St. Petersburg, Russian Federation
Kirensky Institute of Physics, 60036 Krasnoyarsk, Russian Federation
Department of Electrical and Computer Engineering, Cornell University, Ithaca, NY 14853, United States
Department of Physics, National Tsing-Hua University, Hsinchu 30013, Taiwan

Доп.точки доступа:
Davydov, V. Yu.; Klochikhin, A. A.; Smirnov, A. N.; Strashkova, I. Y.; Krylov, A. S.; Крылов, Александр Сергеевич; Lu, H.; Schaff, W. J.; Lee, H. M.; Hong, Y. L.; Gwo, S.; RFBR [09-02-01280]; NSC-RFBR [08-02-92003-HHC]
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