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1.
A magnetometer of
weak quasi-stationary and high-frequency fields on resonator microstrip transducers with thin magnetic fields / A. N. Babitskii [et al.]> // Instrum. Exp. Tech. - 2016. -
Vol. 59
,
Is. 3
. - P. 425-432,
DOI
10.1134/S0020441216030131. - Cited References: 23. - This study was performed within the framework of the State Job of the Ministry of Education and Science of the Russian Federation for the research at the Siberian Federal University in 2014 (project no. 3.528.2014K). . - ISSN 0020-4412
РУБ
Engineering, Multidisciplinary + Instruments & Instrumentation
Рубрики:
Ferromagnetic-resonance
Films
Susceptibility
Anisotropy
Sensors
Trends
Аннотация:
A high-sensitivity magnetometer for simultaneous measurements of three components of a weak quasi-stationary or high-frequency magnetic-field vector was developed and investigated. Microstrip structures that are based on irregular resonators serve as the magnetometer transducers. An anisotropic thin-film magnetic structure is used as the sensing element. This structure consists of two thin magnetic films that are prepared by magnetron sputtering of a Ni75Fe25 permalloy target and separated by a silicon monoxide layer. It is demonstrated that the transducer exhibits the maximum sensitivity, when the easy magnetization axis of the film structure is orthogonal to the polarization direction of the pumping microwave magnetic field in the microstrip resonator and at an optimal value of a constant magnetic bias field and its optimal deflection from the pumping-field polarization direction which is parallel to it. The magnetometer is characterized by a wide dynamic range of measured magnetic fields, 10–10–10–4 Т, and a wide frequency range, 10–1–105 Hz. © 2016, Pleiades Publishing, Inc.
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Публикация на русском языке
Магнитометр слабых квазистационарных и высокочастотных полей на резонансных микрополосковых преобразователях с тонкими магнитными пленками [Текст] / А. Н. Бабицкий [и др.] // Приборы и техн. эксперим. : Наука, 2016. - № 3. - С. 96-104
Держатели документа:
Kirensky Institite of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50, str. 38, Krasnoyarsk, Russian Federation
Siberian Federal University, pr. Svobodnyi 79, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, pr. Im. Gazety Krasnoyarskii rabochii 31, Krasnoyarsk, Russian Federation
OAO NPP Radiosvyaz’, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Babitskii, A. N.; Belyaev, B. A.; Беляев, Борис Афанасьевич; Boev, N. M.; Боев, Никита Михайлович; Skomorokhov, G. V.; Скоморохов, Георгий Витальевич; Izotov, A. V.; Изотов, Андрей Викторович; Galeev, R. G.
}
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2.
Anisotropic thermal expansion
and electronic transitions in the Co3BO5 ludwigite / N. Kazak, A. Arauzo, J. Bartolome [et al.]> // Dalton Trans. - 2022. -
Vol. 51
,
Is. 16
. - P6345-6357,
DOI
10.1039/d2dt00270a. - Cited References: 57. - We are grateful to the Russian Foundation for Basic Research (project no. 20-02-00559 and 21-52-12033) for supporting this paper. This work was performed within the framework of the budget project no. 0287-2021-0013 for the Institute of Chemistry and Chemical Technology SB RAS. We acknowledge the financial support from the Spanish Ministry of Economy, Industry and Competitiviness (MINECO), (Grant No. MAT2017-83468-R) and from the regional Government of Aragón (E12-20R RASMIA project) . - ISSN 1477-9226
Кл.слова (ненормированные):
Activation energy
--
Anisotropy
--
Cobalt compounds
--
Crystal structure
--
Electric conductivity
--
Electronic properties
--
Magnetic moments
--
Magnetic
susceptibility
--
Negative thermal expansion
Аннотация:
The investigations of the crystal structure, magnetic and electronic properties of Co3BO5 at high temperatures were carried out using powder X-ray diffraction, magnetic
susceptibility
, electrical resistivity, and thermopower measurements. The orthorhombic symmetry (Sp.gr. Pbam) was observed at 300 K and no evidence of structural phase transitions was found up to 1000 K. The compound shows a strong anisotropy of the thermal expansion. A large negative thermal expansion along the a-axis is observed over a wide temperature range (T = 300–600 K) with αa = −35 M K−1 at T = 500 K with simultaneous expansion along the b- and c-axes with αb = 70 M K−1 and αc = 110 M K−1, respectively. The mechanisms of thermal expansion are explored by structural analysis. The activation energy of the conductivity decreases significantly above 700 K. Electronic transport was found to be a dominant conduction mechanism in the entire temperature range. The correlations between the thermal expansion, electrical resistivity, and effective magnetic moment were revealed and attributed to the evolution of the spin state of Co3+ ions towards the spin crossover and gradual charge-ordering transition.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Instituto de Nanociencia y Materiales de Aragon (INMA), CSIC-Universidad de Zaragoza and Departamento de Fisica de la Materia Condensada, Zaragoza, 50009, Spain
Servicio de Medidas Fisicas, Universidad de Zaragoza, Zaragoza, 50009, Spain
Research and Development Department, Kemerovo State University, Kemerovo, 650000, Russian Federation
Institute of Chemistry and Chemical Technology, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Kazak, N. V.; Казак, Наталья Валерьевна; Arauzo, A.; Bartolome, J.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Dudnikov, V. A.; Дудников, Вячеслав Анатольевич; Solovyov, L.; Borus, A.; Борус, Андрей Андреевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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3.
Aplesnin, S. S.
Influence of the four-spin exchange interaction on the magnetic properties of manganites / S. S. Aplesnin, N. I. Piskunova> // J. Phys.: Condens. Matter. - 2005. -
Vol. 17
,
Is. 37
. - P. 5881-5888,
DOI
10.1088/0953-8984/17/37/023. - Cited References: 18 . - ISSN 0953-8984
РУБ
Physics, Condensed Matter
Рубрики:
METAL-INSULATOR-TRANSITION
PHASE
SUSCEPTIBILITY
LA1-XSRXMNO3
FERROMAGNET
TRANSPORT
Кл.слова (ненормированные):
Computer simulation
--
Ion exchange
--
Lanthanum compounds
--
Magnetic properties
--
Monte Carlo methods
--
Phase diagrams
--
Phase transitions
--
Four-spin exchange interaction
--
Magnetic phase diagram
--
Manganites
--
Metal-dielectric transition
--
Manganese compounds
Аннотация:
It is shown that non-Heisenberg exchange interaction should be taken into account to reproduce the magnetic phase diagram of La(1-x)A(x)MnO(3) (A = Ca, Sr) using only effective exchange parameters and spins. The formation of the four-spin exchange arises from carrier hopping and coincides with the critical concentration metal-dielectric transition. The two- and four-spin exchange parameters are determined by Monte Carlo simulations.
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Держатели документа:
MF Reshetneva Aircosm Siberian State Univ, Krasnoyarsk 660036, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
M F Reshetneva Aircosmic Siberian State University, Krasnoyarsk 660036, Russian Federation
L V Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Science, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
Piskunova, N. I.; Аплеснин, Сергей Степанович
}
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4.
Aplesnin, S. S.
Static and dynamic magnetic properties of coupled spin-1/2 antiferromagnetic chains / S. S. Aplesnin> // J. Phys.: Condens. Matter. - 2000. -
Vol. 12
,
Is. 37
. - P. 8191-8207,
DOI
10.1088/0953-8984/12/37/316. - Cited References: 21 . - ISSN 0953-8984
РУБ
Physics, Condensed Matter
Рубрики:
ONE-DIMENSIONAL ANTIFERROMAGNETS
SYSTEMS
SUSCEPTIBILITY
EXCITATIONS
SR2CUO3
CA2CUO3
KCUF3
Кл.слова (ненормированные):
Computational methods
--
Copper compounds
--
Correlation methods
--
Functions
--
Magnetic field effects
--
Magnetic properties
--
Magnetization
--
Monte Carlo methods
--
Quantum theory
--
Specific heat
--
Thermal effects
--
Excitation spectroscopy
--
Interchain coupling
--
Intrachain couplings
--
Mean-field approximation
--
Spin-spin correlation function
--
Spinons
--
Antiferromagnetic materials
Аннотация:
Calculations of the thermodynamic quantities, and the spectra of spinons, triplet excitations, and two-particle spin-singlet (Delta S-z = 0, +/- 1) excitations for a weakly coupled antiferromagnetic S = 1/2 spin chain are made using a mean-field approximation for the interchain couplings (J(2)) by the quantum Monte Carlo method. The mass gaps in these excitation spectra are estimated as functions of the interchain coupling. The critical held H-c, and the temperatures at which the spinon and singlet gaps close (T-1 and T-2, respectively) are obtained. Some peculiarities of the staggered magnetization, the specific heat, and the spin-spin correlation function are found at T-1 = 0.9J(2), T-2 = 1.5J(2), H-c = 3.8J(2), as determined by linear function fitting for J(2)/J(1) < 0.15 The intrachain and interchain couplings, and the staggered magnetization for KCuF3, Sr2CuO3, and Ca2CuO3 are estimated, and mass gaps are predicted to exist in the spectra of the spinons and the singlet two-particle excitations.
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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
L V Kirensky Institute of Physics, Siberian Br. Russ. Acad. of Sci., Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Аплеснин, Сергей Степанович
}
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5.
Arkhipkin, V. G.
All-optical switching in a photonic crystal with a defect containing an N-type four-level atomic system / V. G. Arkhipkin, S. A. Myslivets> // Phys. Rev. A. - 2012. -
Vol. 86
,
Is. 6
. - Ст. 063816,
DOI
10.1103/PhysRevA.86.063816. - Cited References: 33. - This work was supported in part by the RAS Grants No. 24.29, No. 24.31, and No. 3.9.5, and SB RAS Grants No. 43 and No. 101. . - ISSN 1050-2947
Перевод заглавия:
Полностью оптическое переключение в фотонном кристалле с дефектом, содержащим четырехуровневую атомную систему N-типа
РУБ
Optics + Physics, Atomic, Molecular & Chemical + Defects + Optical switches + Phase modulation + Probes + Refractive index
Рубрики:
Electromagnetically-induced-transparency
Quantum interference
Microcavities
All-optical switching
Atomic medium
Cross-phase modulations
Defect mode
Electromagnetically induced transparency
Four-level atomic system
Kerr nonlinearity
Laser fields
Linear
susceptibility
One dimensional photonic crystal
Probe field
Quantum interference
Resonance frequencies
Third-order
susceptibility
Transmission spectrums
Two photon
Аннотация:
We study the transmission spectra of a one-dimensional photonic crystal with a defect containing a four-level atomic medium that exhibits a greatly enhanced third-order
susceptibility
while having a vanishing linear
susceptibility
dependent on the electromagnetically induced transparency. Two ways of controlling the transmission of a photonic crystal are discussed: via absorption, i.e., nonlinear (two-photon) absorption of the probe field enhanced by constructive quantum interference, and via dispersion, which comes down to shifting the resonance frequency of the defect mode for the probe field by varying the refractive index based on the giant Kerr nonlinearity (cross-phase modulation). We demonstrate that such systems enable nonlinear all-optical switching at ultralow intensities of the coupling and switching laser fields.
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Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович
}
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6.
AVERIANOV, E. M.
LONGITUDINAL
SUSCEPTIBILITY
OF A UNIAXIAL NEMATIC / E. M. AVERIANOV> // Zhurnal Eksperimentalnoi Teor. Fiz. - 1990. -
Vol. 97
,
Is. 3
. - P. 855-862. - Cited References: 32 . - ISSN 0044-4510
РУБ
Physics, Multidisciplinary
WOS
}
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7.
Averyanov, E. M.
Orientation ordering and critical behavior of discoid nematics / E. M. Averyanov> // Zhurnal Eksperimentalnoi Teor. Fiz. - 1996. -
Vol. 110
,
Is. 5
. - P. 1820-1840. - Cited References: 55 . - ISSN 0044-4510
РУБ
Physics, Multidisciplinary
Рубрики:
LIQUID-CRYSTALS
PHASE-TRANSITION
ISOTROPIC-PHASE
LOCAL FIELD
SMECTIC-A
MOLECULES
SUSCEPTIBILITY
CONFORMATION
PARAMETER
DYNAMICS
WOS
}
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8.
Bayukov, O. A.
Orbital ordering in CuGeO3 / O. A. Bayukov, G. A. Petrakovskii, A. F. Savitskii> // Phys. Solid State. - 1998. -
Vol. 40
,
Is. 9
. - P. 1534-1539,
DOI
10.1134/1.1130602. - Cited References: 25 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
SPIN-PEIERLS TRANSITION
COMPOUND CUGEO3
DIMERIZATION
STATE
SUSCEPTIBILITY
(VO)2P2O7
LADDER
Аннотация:
The combined effect of the ligand crystal field and the exchange interaction on the Cu2+ cation in CuGeO3 is examined. It is shown that, if the magnitude of the exchange interaction exceeds the splitting of the energy levels of the d(x2-y2) and d(xy) orbitals, then an alternate filling of the d orbitals along a chain (orbital ordering) is possible. This effect creates an antiferromagnetic interaction between Cu2+ pairs in 90 degrees exchange and a doubling of the lattice period. A Jahn-Teller pseudoeffect causes singletization of the ground state of the antiferromagnetic chain of Cu2+ spins. (C) 1998 American Institute of Physics. [S1063-7834(98)02609-4].
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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Доп.точки доступа:
Petrakovskii, G. A.; Петраковский, Герман Антонович; Savitskii, A. F.; Баюков, Олег Артемьевич
}
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9.
Belyaev, B. A.
Electrodynamic calculation of effective electromagnetic parameters of a dielectric medium with metallic nanoparticles of a given size / B. A. Belyaev, V. V. Tyurnev> // J. Exp. Theor. Phys. - 2018. -
Vol. 127
,
Is. 4
. - P. 608-619,
DOI
10.1134/S1063776118100114. - Cited References: 31. - This work was supported by the Ministry of Education and Science of the Russian Federation (contract no. 14.575.21.0142; unique identifier of the project is RFMEFI57517X0142). . - ISSN 1063-7761
Кл.слова (ненормированные):
Electromagnetic fields
--
Magnetic
susceptibility
--
Metals
--
Nanoparticles
--
Natural frequencies
--
Permittivity
Аннотация:
The frequency dependence of the effective complex permittivity and effective complex permeability of a heterostructure based on a dielectric medium containing metallic nanoparticles of spherical shape is calculated by an original method. In contrast to the Bruggeman [21] and the Maxwell Garnett [17] approaches, which use the quasi-static approximation in calculations, a nonuniform distribution of electromagnetic fields inside metallic particles is calculated, which allows the analysis of the electromagnetic parameters of the heterostructure not only as a function of frequency but also as a function of the nanoparticle size. It is shown that the plasmon resonant frequency decreases with increasing both the size and the concentration of particles in the heterostructure. It is also shown that a dielectric medium containing nonmagnetic metallic nanoparticles exhibits diamagnetic properties. In this case, the position of the maximum on the frequency dependence of the imaginary part of the magnetic
susceptibility
coincides with the relaxation frequency of charge carriers. The calculated spectra of the real and imaginary components of the permittivity of the heterostructure with a size of metallic particles less than 10 nm are in good agreement with Bruggeman calculations; however, the agreement with Maxwell Garnett calculations is observed only at nanoparticle concentrations lower than 10–6.
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Публикация на русском языке
Беляев, Борис Афанасьевич. Электродинамический расчет эффективных электромагнитных параметров диэлектрической среды с металлическими наночастицами заданных размеров [Текст] / Б. А. Беляев, В. В. Тюрнев // Журн. эксперим. и теор. физ. - 2018. - Т. 154 Вып. 4. - С. 716-729
Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC, Siberian Branch,Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, 660037, Russian Federation
Доп.точки доступа:
Tyurnev, V. V.; Тюрнев, Владимир Вениаминович; Беляев, Борис Афанасьевич
}
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10.
Belyaev, B. A.
Singularity in high-frequency
susceptibility
of thin magnetic films with uniaxial anisotropy / B. A. Belyaev, A. V. Izotov, S. Y. Kiparisov> // JETP Letters. - 2001. -
Vol. 74
,
Is. 4
. - P. 226-230,
DOI
10.1134/1.1413559. - Cited References: 9 . - ISSN 0021-3640
РУБ
Physics, Multidisciplinary
Аннотация:
A sharp peak of magnetic
susceptibility
has been observed in the ferromagnetic resonance spectra of uniaxial magnetic films placed in a planar field directed orthogonal to the easy magnetization axis, along which a pumping high-frequency magnetic field has been oriented. The peak width is considerably narrower than the line width of the uniform ferromagnetic resonance, and its position in a field equal to the film anisotropy field does not depend on the pumping frequency. The nature of the peak is associated with a drastic increase in the static transverse
susceptibility
of the film in the vicinity of the anisotropy field. It is shown phenomenologically that the peak can be observed only for quality samples with small angular and amplitude dispersion of the uniaxial anisotropy. (C) 2001 MAIK "Nauka/Interperiodica".
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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Kristall NIITs, Krasnoyarsk 660062, Russia
ИФ СО РАН
Kirenskii Inst. of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Kristall NIITs, Krasnoyarsk State University, Krasnoyarsk, 660062, Russian Federation
Доп.точки доступа:
Izotov, A. V.; Изотов, Андрей Викторович; Kiparisov, S. Y.; Беляев, Борис Афанасьевич
}
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11.
Cherkasskii, M.
Nutation resonance in ferromagnets / M. Cherkasskii, M. Farle, A. Semisalova> // Phys. Rev. B. - 2020. -
Vol. 102
,
Is. 18
. - Ст. 184432,
DOI
10.1103/PhysRevB.102.184432. - Cited References: 42. - We thank Benjamin Zingsem for helpful discussions. In part funded by Research Grant No. 075-15-2019-1886 from the Government of the Russian Federation, the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation), Projects No. 405553726 (CRC/TRR 270) and No. 392402498 (SE 2853/1-1) . - ISSN 2469-9950
Кл.слова (ненормированные):
Ferromagnetism
--
Magnets
--
Resonance
--
Analytical expressions
--
Applied magnetic fields
--
Ferromagnets
--
Frequency dependent
susceptibility
--
Inertial dynamics
--
Landau-Lifshitz-Gilbert equations
--
Microwave excitations
--
Ferromagnetic materials
Аннотация:
The inertial dynamics of magnetization in a ferromagnet is investigated theoretically. The analytically derived dynamic response upon microwave excitation shows two peaks: ferromagnetic and nutation resonances. The exact analytical expressions of frequency and linewidth of the magnetic nutation resonance are deduced from the frequency-dependent
susceptibility
determined by the inertial Landau-Lifshitz-Gilbert equation. The study shows that the dependence of nutation linewidth on the Gilbert precession damping has a minimum, which becomes more expressive with increase of the applied magnetic field.
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Держатели документа:
Department of General Physics 1, St. Petersburg State University, St. Petersburg, 199034, Russian Federation
Faculty of Physics and Center of Nanointegration (CENIDE), University of Duisburg-Essen, Duisburg, 47057, Germany
Kirensky Institute of Physics, Federal Research Center, Ksc Sb Ras, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Farle, M.; Фарле, Михаель; Semisalova, A.
}
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12.
Chistyakov, N. S.
Constituents measurement of complex superhighfrequency
susceptibility
of magnetic films / N. S. Chistyakov, B. P. Tuschkov> //
International colloquium on physics of magnetic films : [program and abstracts] / chairman L. V. Kirensky ; vice-chaiman: V. A. Buravikhin, R. V. Telesnin ; progr. and publ. com. N. M. Salansky ; progr. com.: V. A. Ignatchenko, Yu. V. Zakharov [et al]. - Irkutsk, 1968. - Section Ferromagnetic resonance, spin-wave resonance, high-frequency properties. - Ст. 6-A.1. - P. 59
Держатели документа:
Институт физики СО АН СССР
Доп.точки доступа:
Tuschkov, B. P.; Чистяков, Николай Сергеевич; Академия наук СССР; Научный совет по комплексной проблеме "Физика твердого тела" АН СССРИнститут физики им. Л.В. Киренского Сибирского отделения РАН; Иркутский государственный педагогический институт; International colloquium on physics of magnetic films(3 ; 1968 ; 8-16 July ; Irkutsk); Международный коллоквиум по физике магнитных пленок(1968 ; 8-16 июля ; Иркутск)
Нет сведений об экземплярах (Источник в БД не найден)
}
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13.
Combined effects of
2D and 3D inhomogeneities on high-frequency
susceptibility
of superlattices [Text] / V. A. Ignatchenko, D. S. Tsikalov> //
IV Euro-Asian Symposium "Trends in MAGnetism" Nanospintronics (EASTMAG-2010). School for young scientist "Spintronics" : June 28 - Lule 2, 2010"Book of abstracts. - Ekaterinburg, 2010. - P. 327
РИНЦ
Доп.точки доступа:
Ignatchenko, V.A.; Tsikalov, D.S.; Euro-Asian Symposium "Trends in MAGnetism"(4 ; 2010 ; Jun.-Jul. ; Ekaterinburg); "Trends in MAGnetism", Euro-Asian Symposium(4 ; 2010 ; Jun.-Jul. ; Ekaterinburg)Уральское отделение РАН
}
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14.
Combined Effects of
2D and 3D Inhomogeneities on the Dynamic
Susceptibility
of Superlattices / V. A. Ignatchenko, D. S. Tsikalov> //
TRENDS IN MAGNETISM / . - STAFA-ZURICH : TRANS TECH PUBLICATIONS LTD, 2011. -
Vol. 168-169
. - P97-100. - (Solid State Phenomena),
DOI
10.4028/www.scientific.net/SSP.168-169.97. - Cited Reference Count: 10 . - ISBN 1012-0394
Рубрики:
Materials Science, Multidisciplinary
Physics, Condensed Matter
Кл.слова (ненормированные):
waves
--
superlattices
--
inhomogeneities
--
dynamic
susceptibility
--
dos
Аннотация:
The dynamic
susceptibility
and the one-dimensional density of states (DOS) of an initially sinusoidal superlattice (SL) with simultaneous presence of two-dimensional (2D) phase inhomogeneities that simulate the deformations of the interfaces between the SL's layers and three-dimensional (3D) amplitude inhomogeneities of the layer material of the SL were investigated. An analytical expression for the averaged Green's function of the sinusoidal SL with 2D phase inhomogeneities was obtained in the Bourret approximation. It was shown that the effect of increasing asymmetry of heights of the dynamic
susceptibility
peaks at the edge of the Brillouin zone of the SL, which was found in [6] at increasing the rms fluctuations of 2D inhomogeneities, also takes place at increasing the correlation wave number of such inhomogeneities. It was also shown that The increase of the tins fluctuations of 3D amplitude inhomogeneities in the superlattice with 2D phase inhomogeneities leads to the suppression of the asymmetry effect and to the decrease of the depth of the DOS gap.
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Держатели документа:
LV Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Доп.точки доступа:
Ignatchenko, V. A.; Игнатченко, Вальтер Алексеевич; Tsikalov, D. S.; Цикалов, Денис Сергеевич; Euro-Asian Symposium "Trends in MAGnetism"(4 ; 2010 ; Jun.-Jul. ; Ekaterinburg); Russian Acad Sci, Inst Metal Phys
}
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15.
Dynamical magnetic
susceptibility
in the lamellar cobaltate superconductor Nax Co O2 y H2 O / M. M. Korshunov, I. Eremin> // Physical Review B: Condensed Matter and Materials Physics. - 2008. -
Т. 77
,
№ 6
. - P064510,
DOI
10.1103/PhysRevB.77.064510 . - ISSN 1098-0121. - ISSN 1550-235X
РИНЦ
Держатели документа:
Institute fur Mathematische und Theoretische Physik,TU Braunschweig
L. V. Kirensky Institute of Physics,Siberian Branch of Russian Academy of Sciences
Max-Planck-Institut fur Physik Komplexer Systeme
Доп.точки доступа:
Korshunov, M. M.; Коршунов, Максим Михайлович; Eremin, I.
}
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16.
Effect of cobalt
impurity ions on the magnetic and electrical properties of iron monosilicide crystals / G. S. Patrin [et al.]> // J. Exp. Theor. Phys. - 2011. -
Vol. 112
,
Is. 2
. - P. 303-309,
DOI
10.1134/S1063776111010146. - Cited References: 23 . - ISSN 1063-7761
РУБ
Physics, Multidisciplinary
Рубрики:
GAP FORMATION
FESI
Кл.слова (ненормированные):
Concentration dependence
--
Electrical property
--
Energy structures
--
Experimental data
--
Experimental investigations
--
Field dependence
--
Impurity ions
--
Kondo models
--
Magnetic and electrical properties
--
Si crystals
--
Cobalt
--
Crystal impurities
--
Crystals
--
Magnetic
susceptibility
--
Electric properties
Аннотация:
The results of experimental investigations of Fe1 - x Co (x) Si crystals in the impurity limit with x = 0.001, 0.005, and 0.01 are reported. The temperature and field dependences of the magnetic
susceptibility
have been studied. According to the experimental data, the introduction of cobalt impurity leads to a change in the energy structure, which is most pronounced in a change in the electrical properties. The temperature, field, and concentration dependences of the resistivity have been measured. The results have been interpreted in the framework of the Kondo model.
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Держатели документа:
[Patrin, G. S.
Velikanov, D. A.
Volkov, N. V.
Yurkin, G. Yu.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Patrin, G. S.
Beletskii, V. V.] Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk 660041, Russian Federation
Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Beletskii, V. V.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Volkov, N. V.; Волков, Никита Валентинович; Yurkin, G. Yu.
}
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17.
Effect of electric
field on magnetization and magnetic
susceptibility
in rare-earth ferroborite multiferroics / A. A. Mukhin [et al.]> //
Euro-asian symposium "Trends in magnetism" (EASTMAG-2019) : Book of abstracts / чл. конс. ком.: S. G. Ovchinnikov, N. V. Volkov [et al.] ; чл. прогр. ком. D. M. Dzebisashvili [et al.]. - 2019. -
Vol. 2
. - Ст. K.O8. - P. 312-313. - Cited References: 3. - This work was supported by the Russian Science Foundation (project 16-12-10531) . - ISBN 978-5-9500855-7-4
Перевод заглавия:
Влияние электрического поляна намагниченность и магнитную восприимчивость редкоземельных мультиферроичных ферроборатов
Материалы симпозиума
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russia
Prokhorov General Physics Institute of RAS, Moscow, Russia
Доп.точки доступа:
Ovchinnikov, S. G. \чл. конс. ком.\; Овчинников, Сергей Геннадьевич; Volkov, N. V. \чл. конс. ком.\; Волков, Никита Валентинович; Dzebisashvili, D. M. \чл. прогр. ком.\; Дзебисашвили, Дмитрий Михайлович; Mukhin, A. A.; Ivanov, V. Yu.; Tikhanovskii, A. Yu.; Gudim, I. A.; Гудим, Ирина Анатольевна; Российская академия наук; Уральское отделение РАН; Институт физики металлов им. М. Н. Михеева Уральского отделения РАН; Уральский федеральный университет им. первого Президента России Б.Н. Ельцина; Российский фонд фундаментальных исследований; Euro-Asian Symposium "Trends in MAGnetism"(7 ; 2019 ; Sept. ; 8-13 ; Ekaterinburg); "Trends in MAGnetism", Euro-Asian Symposium(7 ; 2019 ; Sept. ; 8-13 ; Ekaterinburg)
Нет сведений об экземплярах (Источник в БД не найден)
}
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18.
Electronic structure, magnetic
properties, and mechanism of the insulator-metal transition in LaCoO3 taking into account strong electron correlations / S. G. Ovchinnikov [et al.]> // J. Exp. Theor. Phys. - 2011. -
Vol. 112
,
Is. 1
. - P. 140-151,
DOI
10.1134/S1063776110061159. - Cited References: 36. - This study was supported financially by the Siberian and Ural Branches of the Russian Academy of Sciences (Integration Project no. 40), Department of Physics of the Russian Academy of Sciences (Program 2.3), Russian Foundation for Basic Research (Project nos. 09-02-00171-a and 10-02-00251), and Noncommercial "Dynasty" Foundation. . - ISSN 1063-7761
РУБ
Physics, Multidisciplinary
Рубрики:
SPIN-STATE TRANSITION
CHARGE
Кл.слова (ненормированные):
Energy spectra
--
Excited energy level
--
Finite temperatures
--
Gap state
--
Gap widths
--
High temperature
--
High-temperature anomalies
--
Insulator metal transition
--
Pauli contribution
--
Spin crossovers
--
Strong electron correlations
--
Temperature dependence
--
Total magnetization
--
Cobalt compounds
--
Density functional theory
--
Electron correlations
--
Electron density measurement
--
Electronic properties
--
Electronic structure
--
Magnetic
susceptibility
--
Semiconductor insulator boundaries
--
Spectroscopy
--
Metal insulator transition
Аннотация:
The electronic structure of LaCoO3 at finite temperatures is calculated using the LDA+GTB method taking into account strong electron correlations and possible spin crossover upon an increase in temperature. Gap states revealed in the energy spectrum of LaCoO3 reduce the dielectric gap width upon heating; this allowed us to describe the insulator-metal transition observed in this compound at T = 500-600 K. The temperature dependence of the magnetic
susceptibility
with a peak at T a parts per thousand 100 K is explained by the Curie contribution from thermally excited energy levels of the Co3+ ion. At high temperatures, the Pauli contribution from a band electron is added and the total magnetization of LaCoO3 is considered as the sum M (tot) = M (loc) + M (band). The second term describes the band contribution appearing as a result of the insulator-metal transition and facilitating the emergence of a high-temperature anomaly in the magnetic
susceptibility
of LaCoO3.
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РИНЦ
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Публикация на русском языке
Электронная структура, магнитные свойства и механизм перехода диэлектрик-металл в LaCoO[3] с учетом сильных электронных корреляций [Текст] / С. Г. Овчинников [и др.] // Журнал экспериментальной и теоретической физики. - 2011. - Т. 139 Вып. 1. - С. 162-174
Держатели документа:
[Ovchinnikov, S. G.
Orlov, Yu S.] Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Ovchinnikov, S. G.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Ovchinnikov, S. G.] Siberian Aerosp Univ, Krasnoyarsk 660014, Russia
[Nekrasov, I. A.] Russian Acad Sci, Ural Div, Inst Electrophys, Ekaterinburg 620016, Russia
[Pchelkina, Z. V.] Russian Acad Sci, Ural Div, Inst Met Phys, Ekaterinburg 620990, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Krasnoyarsk 660041, Russian Federation
Siberian Aerospace University, Krasnoyarsk 660014, Russian Federation
Institute of Electrophysics, Ural Division, Russian Academy of Sciences, Yekaterinburg 620016, Russian Federation
Institute of Metal Physics, Ural Division, Russian Academy of Sciences, Yekaterinburg 620990, Russian Federation
Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Orlov, Y. S.; Nekrasov, I. A.; Pchelkina, Z. V.
}
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19.
ERUKHIMOV, M. S.
MAGNETIC-
SUSCEPTIBILITY
OF INTERMEDIATE VALENCE COMPOUND FILMS / M. S. ERUKHIMOV> // Fiz. Tverd. Tela. - 1982. -
Vol. 24
,
Is. 11
. - P. 3485-3487. - Cited References: 4 . - ISSN 0367-3294
РУБ
Physics, Condensed Matter
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20.
Ferromagnetic resonance line
broadening and shift effect in nanocrystalline thin magnetic films: Relation with crystalline and magnetic structure / A. V. Izotov, B. A. Belyaev, N. M. Boev [et al.]> // J. Alloy. Compd. - 2022. -
Vol. 900
. - Ст. 163416,
DOI
10.1016/j.jallcom.2021.163416. - Cited References: 52. - The reported study was funded by RFBR, the Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund and JSC "NPP "Radiosviaz", project number 20-42-242901 and was supported by the Ministry of Science and Higher Education of the Russian Federation, agreement number 075-11-2019-054 dated 22.11.2019.; The electron microscopy investigations were conducted in the SFU Joint Scientific Center whose infrastructure was supported by the State assignment (#FSRZ-2020-0011) of the Ministry of Science and Higher Education of the Russian Federation . - ISSN 0925-8388. - ISSN 1873-4669
Перевод заглавия:
Уширение линии ферромагнитного резонанса и эффект сдвига в нанокристаллических тонких магнитных пленках: Связь с кристаллической и магнитной структурой
РУБ
Chemistry, Physical + Materials Science, Multidisciplinary + Metallurgy & Metallurgical
Рубрики:
SUSCEPTIBILITY
RIPPLE
ANISOTROPIES
ALLOYS
Кл.слова (ненормированные):
Nanocrystallite
--
Magnetization ripple
--
Ferromagnetic resonance (FMR)
--
Two-magnon scattering process
--
Micromagnetic simulation
Аннотация:
With the rapid development of telecommunication technologies and highly integrated electronic devices, researchers show great interest in nanocrystalline soft magnetic thin films with unique characteristics for microwave applications. An important direction of the current research in this field is the study of high-frequency magnetization dynamics that directly depends on the damping processes in a magnetic medium. This paper reports on the effect of sharp broadening and shift of the ferromagnetic resonance (FMR) line revealed experimentally in a 40-nm-thick nanocrystalline permalloy (Fe20Ni80) thin film at a frequency of about 5 GHz. The effect arises only in films with crystallite size exceeding some critical value Dcr. The micromagnetic simulation demonstrates that exchange and dipolar interactions between randomly oriented crystallites form in the film a quasiperiodic magnetic structure with a characteristic wavelength in the range from 36 nm to 3.3 µm. An analysis of the two-magnon scattering model and simulation results shows that the formed magnetic structure provides the energy transfer from uniform magnetization oscillations (uniform FMR) to spin waves, which results in an additional energy dissipation channel and, consequently, sharp FMR line broadening. A theoretical estimate of the critical crystallite size Dcr based on this model yields a value of ~14.3 nm for 40-nm-thick Fe20Ni80 films.
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Держатели документа:
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, 50-38 Akademgorodok, Akademgorodok 5038, Russia.
Доп.точки доступа:
Izotov, A. V.; Изотов, Андрей Викторович; Belyaev, B. A.; Беляев, Борис Афанасьевич; Boev, N. M.; Боев, Никита Михайлович; Burmitskikh, A. V.; Бурмитских, Антон Владимирович; Skomorokhov, G. V.; Скоморохов, Георгий Витальевич; Zharkov, S. M.; Жарков, Сергей Михайлович; Solovev, P. N.; Соловьев, Платон Николаевич; RFBRRussian Foundation for Basic Research (RFBR); Government of Krasnoyarsk Territory; Krasnoyarsk Regional Fund; JSC "NPP "Radiosviaz" [20-42-242901]; Ministry of Science and Higher Education of the Russian Federation [075-11-2019-054, FSRZ-2020-0011]
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