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1.


    Tsipotan, A. S.
    Wavelength-controlled manipulation of colloidal quasi-resonant quantum dots under pulsed laser irradiation / A. S. Tsipotan, A. S. Aleksandrovsky, V. V. Slabko // Proc. SPIE : SPIE, 2016. - Vol. 10027: Nanophotonics and Micro/Nano Optics III. - Ст. 1002711, DOI 10.1117/12.2245386. - Cited References: 11. - The reported study was funded by RFBR and Government of Krasnoyarsk Territory according to the research project № 16-42-240410 and particularly supported by the Ministry of Education and Science of the Russian Federation (No. 3.1749.2014/K, 214/71 for Siberian Federal University); by RFBR research project No. 14-02-00219 A, 16-32-00129; by SB RAS Program №II.2P № 0358-2015-0012.
Кл.слова (ненормированные):
Self-assembly -- nanostructures -- quantum dots -- absorption spectra -- dipole-dipole interaction -- laser control
Аннотация: Production of nanostructures consisting of semiconductor nanoparticles (NPs) is of interest for number of applications. Development of new methods of NPs' manipulation and aggregation of NPs into nanostructures with pre-defined geometry is also of considerable interest from the fundamental point of view. Under laser irradiation with properly chosen wavelengths excitonic excitations of semiconductor NPs will be induced. Electrodynamical interaction between excited NPs is rather universal and allows formation of wide variety of nanostructures both of homo- and heterogeneous content. Theoretical approach for study of interaction of NPs' ensembles with laser light includes dipole-dipole approximation for NPs' attraction. Experimental results are obtained for TGA stabilized CdTe QDs with the excitonic resonance at 520 nm. Six different samples of the same colloid solution were irradiated at wavelengths from 540 to 570 nm. Modifications of absorption spectra of solutions after irradiation was detected, being most prominent at 555 and 560 nm irradiation wavelengths. Analysis of spectra shows that up to 47% of QDs were assembled into pairs with 10 nm inter-QD distance. Therefore, possibility of precise QDs manipulation via laser-induced electrodynamical interaction is demonstrated.

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Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Slabko, V. V.; Nanophotonics and Micro/Nano Optics(3 ; 2016 ; October 12 ; Beijing, China)
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2.


   
    Metal-polymer magnetic-properties due to dipole-dipole interaction of iron microparticles / V. P. Piskorskii [et al.] // Fiz. Tverd. Tela. - 1980. - Vol. 22, Is. 5. - P. 1507-1509. - Cited References: 13 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


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Доп.точки доступа:
Piskorskii, V. P.; Petrakovskii, G. A.; Петраковский, Герман Антонович; Gubin, S. P.; Kosobudskii, I. D.
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3.


    Zobov, V. E.
    Concentration dependence of the wings of a dipole-broadened magnetic resonance line in magnetically diluted lattices / V. E. Zobov, M. M. Kucherov // J. Exp. Theor. Phys. - 2017. - Vol. 124, Is. 1. - P. 151-158, DOI 10.1134/S106377611615005X. - Cited References: 34 . - ISSN 1063-7761
Кл.слова (ненормированные):
Drug interactions -- Magnetic fields -- Magnetic resonance -- Magnetism -- Nonlinear equations -- Optical systems -- Autocorrelation functions -- Concentration dependence -- High-frequency asymptotics -- Local field approximations -- Magnetic resonance line -- Modulation frequencies -- Strong static magnetic fields -- Time autocorrelation functions -- Autocorrelation
Аннотация: The singularities of the time autocorrelation functions (ACFs) of magnetically diluted spin systems with dipole–dipole interaction (DDI), which determine the high-frequency asymptotics of autocorrelation functions and the wings of a magnetic resonance line, are studied. Using the self-consistent fluctuating local field approximation, nonlinear equations are derived for autocorrelation functions averaged over the independent random arrangement of spins (magnetic atoms) in a diamagnetic lattice with different spin concentrations. The equations take into account the specificity of the dipole–dipole interaction. First, due to its axial symmetry in a strong static magnetic field, the autocorrelation functions of longitudinal and transverse spin components are described by different equations. Second, the long-range type of the dipole–dipole interaction is taken into account by separating contributions into the local field from distant and near spins. The recurrent equations are obtained for the expansion coefficients of autocorrelation functions in power series in time. From them, the numerical value of the coordinate of the nearest singularity of the autocorrelation function is found on the imaginary time axis, which is equal to the radius of convergence of these expansions. It is shown that in the strong dilution case, the logarithmic concentration dependence of the coordinate of the singularity is observed, which is caused by the presence of a cluster of near spins whose fraction is small but contribution to the modulation frequency is large. As an example a silicon crystal with different 29Si concentrations in magnetic fields directed along three crystallographic axes is considered. © 2017, Pleiades Publishing, Inc.

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Публикация на русском языке Зобов, Владимир Евгеньевич. Концентрационная зависимость крыльев дипольно-уширенной линии магнитного резонанса в магниторазбавленных решетках [Текст] / В. Е. Зобов, М. М. Кучеров // Журн. эксперим. и теор. физ. : Наука, 2017. - Т. 151 Вып. 1. - С. 174–182

Держатели документа:
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Institute of Space and Information Technologies, Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kucherov, M. M.; Зобов, Владимир Евгеньевич
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4.


   
    Dipole glass in chromium-substituted bismuth pyrostannate / S. S. Aplesnin [et al.] // Mater. Res. Express. - 2018. - Vol. 5, Is. 11. - Ст. 115202, DOI 10.1088/2053-1591/aaddd9. - Cited References: 33. - This study was supported by the Russian Foundation for Basic Research project N 18-52-00009 Bel_a, No 18-32-00079 mol_a, the state order No 3.5743.2017/6.7. . - ISSN 2053-1591
РУБ Materials Science, Multidisciplinary
Рубрики:
BI4TI3O12 THIN-FILMS
   NEUTRON-DIFFRACTION
   RAMAN-SPECTROSCOPY
   BI2SN2O7
Кл.слова (ненормированные):
dipole glass -- permittivity -- polarization -- Raman scattering spectra -- structural transition
Аннотация: To establish the existence of dipole glass in the chromium-substituted bismuth pyrostannate solid solutions, the frequency and temperature dependences of the permittivity have been measured in the temperature range of 300–750 K. The field and dynamic dependences of polarization in the temperature range of 80–550 K have been determined. Using the Raman scattering spectra, the absence of inversion center has been established. The maximum of electrical resistance has been found in the vicinity of the dipole moment freezing point. The carrier type has been determined from the thermopower data. The polarization relaxation is shown to be nonexponential. The experimental data are explained within the model of dipole glass in the α- phase and the model of charged crystalline domain walls with the electron-polarization relaxation mechanism above the α–β structural transition.

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Держатели документа:
SB RAS, Kirensky Inst Phys, Fed Res Ctr KSC, Krasnoyarsk 660036, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk 660037, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Inst Solid State Phys, LV-1063 Riga, Latvia.

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Udod, L. V.; Удод, Любовь Викторовна; Sitnikov, M. N.; Kretinin, V. V.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Mironova-Ulmane, N.; Russian Foundation for Basic Research [N 18-52-00009 Bel_a, 18-32-00079 mol_a, 3.5743.2017/6.7]
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5.


   
    Micromagnetism in a planar system with a random magnetic anisotropy and two-dimensional magnetic correlations / S. V. Komogortsev [et al.] // J. Exp. Theor. Phys. - 2017. - Vol. 125, Is. 2. - P. 323-332, DOI 10.1134/S1063776117070196. - Cited References: 68. - This work was supported by the Russian Foundation for Basic Research, project no. 16-03-00256. . - ISSN 1063-7761
Кл.слова (ненормированные):
Anisotropy -- Crystallite size -- Defects -- Magnetic domains -- Magnetic materials -- Magnetism -- Magnetization -- Microstructure -- Stochastic systems -- Topology -- Dipole interaction -- Dipole interaction energy -- Magnetic correlation -- Magnetic microstructures -- Micromagnetic simulations -- Micromagnetic structure -- Random magnetic anisotropies -- Two-dimensional magnetization -- Magnetic anisotropy
Аннотация: The hysteresis loops and the micromagnetic structure of a ferromagnetic nanolayer with a randomly oriented local easy magnetization axis and two-dimensional magnetization correlations are studied using a micromagnetic simulation. The properties and the micromagnetic structure of the nanolayer are determined by the competition between the anisotropy and exchange energies and by the dipole–dipole interaction energy. The magnetic microstructure can be described as an ensemble of stochastic magnetic domains and topological magnetization defects. Dipole–dipole interaction suppresses the formation of topological magnetization defects. The topological defects in the magnetic microstructure can cause a sharper change in the coercive force with the crystallite size than that predicted by the random magnetic anisotropy model. © 2017, Pleiades Publishing, Inc.

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Публикация на русском языке Микромагнетизм в планарной системе со случайной магнитной анизотропией и двумерными магнитными корреляциями [Текст] / С. В. Комогорцев [и др.] // Журн. эксперим. и теор. физ. : Наука, 2017. - Т. 152 Вып. 2. - С. 379-390

Держатели документа:
Kirenskii Institute of Physics, Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Komogortsev, S. V.; Комогорцев, Сергей Викторович; Fel’k, V. A.; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Shadrina, G. V.
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6.


    SADREEV, A. F.
    DIPOLE-DIPOLE INTERACTION EFFECT ON RADIATION-FIELD CONDENSATION IN PARAMAGNETIC CRYSTAL-RESONATORS / A. F. SADREEV, Y. V. SUKHININ // Fiz. Tverd. Tela. - 1984. - Vol. 26, Is. 9. - P. 2808-2814. - Cited References: 13 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


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Доп.точки доступа:
SUKHININ, Y. V.
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7.


    BULGAKOV, E. N.
    GROUND-STATE OF A DIPOLE-DIPOLE SYSTEM IN THE FIELD OF SINGLE-ION-ANISOTROPY / E. N. BULGAKOV // Fiz. Tverd. Tela. - 1989. - Vol. 31, Is. 11. - P. 21-25. - Cited References: 19 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


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8.


    Kucherov, M. M.
    On dipole-zeeman cross relaxation in multiple-pulse spin locking / M. M. Kucherov, A. V. Ponomarenko, V. E. Zobov // Phys. Status Solidi B. - 1981. - Vol. 107, Is. 2. - P. K159-K162, DOI 10.1002/pssb.2221070263. - Cited References: 7 . - ISSN 0370-1972
РУБ Physics, Condensed Matter


WOS
Доп.точки доступа:
Ponomarenko, A. V.; Zobov, V. E.; Зобов, Владимир Евгеньевич
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9.


    GEKHT, R. S.
    COLLECTIVE MODES OF INCOMMENSURATE STRUCTURES IN SYSTEMS WITH DIPOLE INTERACTION / R. S. GEKHT // Zhurnal Eksperimentalnoi Teor. Fiz. - 1986. - Vol. 91, Is. 1. - P. 190-201. - Cited References: 19 . - ISSN 0044-4510
РУБ Physics, Multidisciplinary


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10.


    GEKHT, R. S.
    VORTEX INCOMMENSURATE STRUCTURE IN MAGNETICS WITH DIPOLE INTERACTION / R. S. GEKHT // Fiz. Tverd. Tela. - 1984. - Vol. 26, Is. 2. - P. 567-569. - Cited References: 7 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


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