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1.
Синтез и магнитные
свойства многослойных пленок (CoNiPsoft/CoPhard)n / Г. С. Патрин [и др.]> // Изв. РАН. Сер. физич. - 2013. -
Т. 77
,
№ 9
. - С. 1230-1231
DOI
10.7868/S0367676513090366
Аннотация:
Представлены результаты экспериментальных исследований магнитных взаимодействий многослойных пленок в системе Co–Ni–P, когда один из слоев магнитомягкий, а другой магнитожесткий. Обнаружены изменение формы петли намагничивания при сопряжении магнитомягкого и магнитожесткого слоев, и осцилляция поля насыщения в зависимости от числа пар слоев.
РИНЦ
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Переводная версия
Synthesis and magnetic properties of (CoNiPsoft/CoP hard) n
multilayers
. - [Б. м. : б. и.]
Держатели документа:
Институт физики им. Л.В. Киренского СО РАН
Доп.точки доступа:
Патрин, Геннадий Семёнович; Patrin G.S.; Пальчик, Марина Геннадьевна; Pal'chik, M. G.; Балаев, Дмитрий Александрович; Balaev, D. A.; Кипарисов, Семен Яковлевич; Kiparisov S.Ya.
}
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2.
Ignatchenko, V. A.
Waves in a superlattice with arbitrary interlayer boundary thickness / V. A. Ignatchenko, O. N. Laletin> // Phys. Solid State. - 2004. -
Vol. 46
,
Is. 12
. - P. 2292-2300,
DOI
10.1134/1.1841396. - Cited References: 34 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
PERIODIC STRUCTURES
RAYLEIGH-WAVES
LAYERED MEDIUM
ELASTIC-WAVES
SPIN-WAVES
SPECTRUM
MEDIA
PROPAGATION
EXCITATIONS
MULTILAYERS
Аннотация:
The transmittance D(omega), reflectance R(omega), and dispersion omega(k) are investigated for waves of various nature propagating through a one-dimensional superlattice (multilayer structure) with arbitrary thickness of the interlayer boundary. The dependences of the band gap widths Deltaomega(m) and their positions in the wave spectrum of the superlattice on the interlayer boundary thickness d and the band number m are calculated. Calculations are performed in terms of the modified coupled-mode theory (MCMT) using the frequency dependence of R(omega), as well as in the framework of perturbation theory using the function omega(k), which made it possible to estimate the accuracy of the MCMT method; the MCMT method is found to have a high accuracy in calculating the band gap widths and a much lower accuracy in determining the gap positions. It is shown that the m dependence of Deltaomega(m) for electromagnetic (or elastic) waves is different from that for spin waves. Furthermore, the widths of the band gaps with m = 1 and 2 are practically independent of d, whereas the widths of all gaps for m 2 depend strongly on d. Experimental measurements of these dependences allow one to determine the superlattice interface thicknesses by using spectral methods. (C) 2004 MAIK "Nauka/Interperiodica".
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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Krasnoyarsk State University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Laletin, O. N.; Игнатченко, Вальтер Алексеевич
}
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3.
Ignatchenko, V. A.
Waves in a superlattice with anisotropic inhomogeneities / V. A. Ignatchenko, A. A. Maradudin, A. V. Poszdnyakov> // JETP Letters. - 2003. -
Vol. 78
,
Is. 9
. - P. 592-596,
DOI
10.1134/1.1641491. - Cited References: 28 . - ISSN 0021-3640
РУБ
Physics, Multidisciplinary
Рубрики:
PERIODIC
MULTILAYERS
SPIN-WAVES
SPECTRUM
LOCALIZATION
SYSTEMS
MEDIA
DISORDER
AVERAGE
Аннотация:
Dependences of the dispersion laws and damping of waves in an initially sinusoidal superlattice on inhomogeneities with anisotropic correlation properties are studied for the first time. The period of the superlattice is modulated by the random function described by the anisotropic correlation function K-phi(r) that has different correlation radii, k(parallel toparallel to)(-1) and k(perpendicular to)(-1), along the axis of the superlattice z and in the plane xy, respectively. The anisotropy of the correlation is characterized by the parameter lambda = 1 - k(perpendicular to)/k(parallel toparallel to) that can change from lambda = 0 to lambda = 1 when the correlation wave number k(perpendicular to) changes from k(perpendicular to) = k(parallel toparallel to) (isotropic 3D inhomogeneities) to k(perpendicular to) = 0 (1D inhomogeneities). The correlation function of the superlattice K(r) is developed. Its decreasing part goes to the asymptote L that divides the correlation volume into two parts, characterized by finite and infinite correlation radii. The dependences of the width of the gap in the spectrum at the boundary of the Brillouin zone Deltanu and the damping of waves xi on the value of lambda are studied. It is shown that decreasing L leads to the decrease of Deltanu, and increase of xi, with the increase of lambda. (C) 2003 MAIK "Nauka / Interperiodica".
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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Department of Physics and Astronomy, University of California, Irvine, CA, United States
Доп.точки доступа:
Maradudin, A. A.; Poszdnyakov, A. V.; Игнатченко, Вальтер Алексеевич
}
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4.
Ignatchenko, V. A.
Wave spectrum of
multilayers
with finite thicknesses of interfaces / V. A. Ignatchenko, Y. I. Mankov, A. A. Maradudin> // Phys. Rev. B. - 2000. -
Vol. 62
,
Is. 3
. - P. 2181-2184,
DOI
10.1103/PhysRevB.62.2181. - Cited References: 24 . - ISSN 0163-1829
РУБ
Physics, Condensed Matter
Рубрики:
SPIN
EXCITATIONS
MEDIA
Аннотация:
To describe a multilayer structure with arbitrary thicknesses of the interfaces between layers, we introduce a model in which the dependence of a material parameter along the axis of such a superlattice is described by a Jacobian elliptic sine function. Depending on the value of the modulus kappa of the elliptic function, the model describes the limiting cases of
multilayers
with sharp interfaces (kappa=1, d/l=0, where d is the thickness of the interface, l is the period of the superlattice) and of sinusoidal superlattices (kappa=0, d/l=1/4), as Well as all intermediate situations. We investigate the wave spectrum in such a superlattice. The dependences of the widths of the gaps in the spectrum at the boundaries of ail odd Brillouin zones on the ratio d/l are found. It is shown that the thicknesses of the interfaces can be determined if the experimental value of the relation between the widths of the first gap Delta v(1) and any other gap Delta v(n) is known.
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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
ИФ СО РАН
Доп.точки доступа:
Mankov, Y. I.; Maradudin, A. A.; Игнатченко, Вальтер Алексеевич
}
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5.
The study of
Co/Cu
multilayers
by NMR method / D. L. Khalyapin [et al.]> //
Workshop "Trends in Nanomechanics and Nanoengineering" : book of abstracts / предс. сем. K. S. Aleksandrov ; зам. предс. сем.: G. S. Patrin, S. G. Ovchinnikov ; чл. лок. ком.: N. N. Kosyrev, A. S. Fedorov [et al]. - 2009. - P. 27
Материалы семинара
Доп.точки доступа:
Aleksandrov, K. S. \предс. сем.\; Александров, Кирилл Сергеевич; Patrin, G. S. \зам. предс. сем.\; Патрин, Геннадий Семёнович; Ovchinnikov, S. G. \зам. предс. сем.\; Овчинников, Сергей Геннадьевич; Kosyrev, N. N. \чл. лок. ком.\; Косырев, Николай Николаевич; Fedorov, A. S. \чл. лок. ком.\; Федоров, Александр Семенович; Khalyapin, D. L.; Maltsev, V. K.; Мальцев, Вадим Константинович; Kim, P. D.; Ким, Пётр Дементьевич; Turpanov, I. A.; Турпанов, Игорь Александрович; Betenkova, A. Ya.; Бетенькова, Анна Яковлевна; "Trends in Nanomechanics and Nanoengineering", workshop(2009 ; Aug. ; 24-28 ; Krasnoyarsk); Сибирский федеральный университет; Институт физики им. Л.В. Киренского Сибирского отделения РАН
}
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6.
Ignatchenko, V. A.
The spectrum and damping of waves in partially randomized
multilayers
/ V. A. Ignatchenko, Y. I. Mankov, A. A. Maradudin> // J. Phys.: Condens. Matter. - 1999. -
Vol. 11
,
Is. 13
. - P. 2773-2790,
DOI
10.1088/0953-8984/11/13/013. - Cited References: 24 . - ISSN 0953-8984
РУБ
Physics, Condensed Matter
Рубрики:
SPIN-WAVES
SEMICONDUCTOR SUPERLATTICES
LOCALIZATION
SYSTEMS
Аннотация:
The spectrum and damping of waves in partially randomized multilayer structures are calculated. A method of calculation that was proposed and demonstrated earlier, for the model of a superlattice with a harmonic dependence of its material parameters along its axis in the initial state, is extended to the case of a multilayer structure (i.e., a superlattice with sharp interfaces). One- and three-dimensional random modulations of the period are considered, and the correlation function of the superlattice is derived as a series in which each term is a product of a harmonic and a monotonically decaying function. The law of decay of the correlation function is Gaussian for smooth inhomogeneities, and has different forms for one- and three-dimensional short-wavelength inhomogeneities. The spectrum and damping of waves in the superlattice described by this correlation function are found in the weak-coupling approximation in the vicinities of all of the odd Brillouin zone boundaries. Analytical dependences of the main characteristics of the spectrum and damping on the zone number n are obtained. The conditions for the closing of the gaps at the Brillouin zone boundaries are derived, and depend on the dimensionality of the inhomogeneities and the degree of their smoothness.
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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Univ Calif Irvine, Irvine, CA 92697 USA
ИФ СО РАН
L V Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation
University of California, Irvine, CA 92697 4575, United States
Доп.точки доступа:
Mankov, Y. I.; Maradudin, A. A.; Игнатченко, Вальтер Алексеевич
}
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7.
Synthesis and magnetic
properties of (CoNiPsoft/CoP hard) n
multilayers
/ G. S. Patrin [et al.]> // Bull. Russ. Acad. Sci.: Phys. - 2013. -
Vol. 77
,
Is. 9
. - P. 1106-1107,
DOI
10.3103/S1062873813090359 . - ISSN 1062-8738
Аннотация:
Magnetic interactions in Co-Ni-P
multilayers
consisting of alternating magnetically soft and magnetically hard layers are investigated experimentally. Variations in the shape of magnetization hysteresis loops upon the conjugation of magnetically soft and hard layers are found, along with saturation field oscillations that depend on the number of layer pairs. В© 2013 Allerton Press, Inc.
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Переводная версия
Синтез и магнитные свойства многослойных пленок (CoNiPsoft/CoPhard)n. - [S. l. : s. n.]
Держатели документа:
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Krasnoyarsk 660041, Russian Federation
Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Pal'chik, M. G.; Пальчик, Марина Геннадьевна; Balaev, A. D.; Балаев, Александр Дмитриевич; Kiparisov, S.Ya.; Кипарисов, Семен Яковлевич
}
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8.
Structure and Electrical
Properties of (ZnO/SiO2)25 Thin Films / M. N. Volochaev [et al.]> // Semiconductors. - 2019. -
Vol. 53
,
Is. 11
. - P. 1465-1471,
DOI
10.1134/S106378261911023X. - Cited References: 16. - This study was carried out in the framework of the state assignment of the Ministry of Science and Higher Education of the Russian Federation, project no. 3.1867.2017/4.6. . - ISSN 1063-7826. - ISSN 1090-6479
РУБ
Physics, Condensed Matter
Рубрики:
HETEROSTRUCTURES
Кл.слова (ненормированные):
thin films
--
multilayers
--
oxide semiconductors
--
hopping conductivity
--
thermal stability
Аннотация:
(ZnO/SiO2)25 thin-film
multilayers
consisting of nanocrystalline ZnO layers and amorphous SiO2 spacers with a bilayer thickness from 6 to 10 nm are synthesized in a single deposition process. An analysis of the temperature dependences of the electrical resistivity of (ZnO/SiO2)25 thin films shows that, in the temperature range of 77–300 K, the dominant conductivity mechanism successively changes from hopping conductivity with a variable hopping length in a narrow energy band near the Fermi level at temperatures of 77–250 K to thermally activated impurity conductivity around room temperature. Using the obtained temperature dependences of the electrical resistivity, the effective density of localized states at the Fermi level and the activation energy of impurity levels are estimated. The effect of heat treatment on the structure and electrical properties of the synthesized films is examined. It is established that in (ZnO/SiO2)25 thin-film systems at temperatures of 580–600°C, the ZnO and SiO2 layers chemically interact, which is accompanied by destruction of the multilayer structure and formation of the Zn2SiO4 compound with a tetragonal structure (sp. gr. I-42d).
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Публикация на русском языке
Держатели документа:
Russian Acad Sci, Krasnoyarsk Sci Ctr, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk, Russia.
Voronezh State Tech Univ, Voronezh 394026, Russia.
Доп.точки доступа:
Volochaev, M. N.; Волочаев, Михаил Николаевич; Kalinin, Yu E.; Kashirin, M. A.; Makagonov, V. A.; Pankov, S. Yu; Bassarab, V. V.; Ministry of Science and Higher Education of the Russian Federation [3.1867.2017/4.6]
}
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9.
Altunin, R. R.
Structural phase transformations in Al/Pt bilayer thin films during the solid-state reaction / R. R. Altunin, E. T. Moiseenko, S. M. Zharkov> // Phys. Solid State. - 2018. -
Vol. 60
,
Is. 7
. - P. 1413-1418,
DOI
10.1134/S106378341807003X. - Cited References: 26. - This study was supported by the Russian Foundation for Basic Research, project no. 16-33-00475 mol_a. . - ISSN 1063-7834. - ISSN 1090-6460
РУБ
Physics, Condensed Matter
Рубрики:
AL
SYSTEM
MULTILAYERS
ALUMINUM
HEAT
Аннотация:
A sequence of phases forming during the solid-phase reaction in Al/Pt bilayer thin films has been investigated by in situ electron diffraction. It is shown that the amorphous PtAl2 phase forms first during the solid-phase reaction initiated by heating. Upon further heating, PtAl2, Pt2Al3, PtAl, and Pt3Al crystalline phases sequentially form, which is qualitatively consistent with an effective formation heat model. The content of phases forming during the reaction has been quantitatively analyzed and the structural phase transformations have been examined.
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Публикация на русском языке
Алтунин, Роман Русланович. Структурные фазовые превращения при твердофазной реакции в тонких двухслойных пленках Al/Pt [Текст] / Р. Р. Алтунин, Е. Т. Моисеенко, С. М. Жарков // Физ. тверд. тела. - 2018. - Т. 60 Вып. 7. - С. 1397–1402
Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Krasnoyarsk Sci Ctr, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Moiseenko, E. T.; Zharkov, S. M.; Жарков, Сергей Михайлович; Russian Foundation for Basic Research [16-33-00475 mol_a]
}
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10.
Stress-wave change in
the copper structure: Covering magnetic response / N. A. Shepeta [et al.]> //
IOP Conf. Ser.: Mater. Sci. Eng. - 2019. -
Vol. 560
: 13th International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2018 (12 December 2018 through 14 December 2018, ) Conference code: 149903,
Is. 1
. - Ст. 012158,
DOI
10.1088/1757-899X/560/1/012158. - Cited References: 15
Кл.слова (ненормированные):
Copper
--
Deformation
--
Elastic waves
--
Flight control systems
--
Magnetism
--
Multilayer films
--
Multilayers
--
Wavefronts
Аннотация:
The work presents the results of the investigationof deformation processes occurring in copper after stress-wave influence. Structural changes analysis is carried out by direct research methods (X-ray phase analysis and optical microscopy) along and perpendicular to the spreading direction of the stress wave front in the copper foil plane. For more information, investigations have been conducted by an indirect method using ferromagnetic resonance of magnetic characteristics. As a magnetic covering, Co/Ni-type multilayer films are deposited on the copper foil, which makes it possible to apply magnetic research methods. The magnetic response of the multilayer covering correlates with the modification of the copper structure observed by direct methods. The information obtained in the course of research allows us to conclude that the wave character of the deformation processes occurring in copper is natural. The value and direction of structural modifications vary along the sample length as a function with a long-wave period is about 30 mm, which is consistent with the inhomogeneous distribution model of internal stresses. Throughout the sample length, alternating areas of stretching and compression of copper grains are fixed along the spreading direction of the stress wave front. The greatest stretching of the structural elements is observed at a distance equal to almost half the wavelength of the mechanical deformation field. Thus, the translational (shear) mode of the mechanical field of material plastic flow appears as the results of the investigation. © 2019 Published under licence by IOP Publishing Ltd.
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Держатели документа:
Siberian Federal University, 79, Svobodny Ave., Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 50/38, Academgorodok Str., Krasnoyarsk, 660036, Russian Federation
Institute for Energy Research, Safety Research and Reactor Technology, Forschungszentrum Julich GmbH, Julich, D-52425, Germany
Reshetnev Siberian State University of Science and Technology, 31, Krasnoyarsky Rabochy Ave., Krasnoyarsk, 660037, Russian Federation
Доп.точки доступа:
Shepeta, N. A.; Denisova, E. A.; Денисова, Елена Александровна; Bucaemskii, A. A.; Tynchenko, V. S.; Gorodov, A. A.; International Conference on Mechanical Engineering, Automation and Control Systems(13 ; 2008 ; 12 - 14 Dec. ; Novosibirsk)
}
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11.
Spontaneous magnetization and
characteristics of temperature-induced magnetization of planar Co/Si nanostructures / V. O. Vas'kovskii [et al.]> // Low Temp. Phys. - 2007. -
Vol. 33
,
Is. 4
. - P. 324-328 ; Физика низких температур,
DOI
10.1063/1.2720079. - Cited References: 9 . - ISSN 1063-777X
РУБ
Physics, Applied
Рубрики:
MULTILAYERS
FILMS
Аннотация:
The magnetic properties of planar Co/Si nanostructures with different nominal thicknesses of the magnetic (2-42 nm) and nonmagnetic (0.3-10 nm) constituent layers are studied in the temperature range 4.2-300 K. It is established that in the presence of Si layers the spontaneous magnetization of Co decreases and its temperature dependence changes, and magnetic hysteresis is modified. The interlayer influence is interpreted as being due to the diffusion of Si into the Co layers, which results in the formation of magnetically disordered boundary interfaces with low average magnetization. The depth of the interfaces depends on the nominal thickness of the Si layers and is estimated to reach 1.6 nm. A qualitative explanation of the characteristics of the magnetization of the experimental objects under the influence of a magnetic field and temperature is given in a model where the interfaces have a granular microstructure. Electron-microscope observations confirm some assumptions of the proposed model. (C) 2007 American Institute of Physics.
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Держатели документа:
AM Gorkil Ural State Univ, Ekaterinburg 620083, Russia
Russian Acad Sci, Siberian Branch, LV Kirenskii Phys Inst, Krasnoyarsk 660036, Russia
Russian Acad Sci, Ural Branch, Inst Phys Met, Ekaterinburg 620241, Russia
ИФ СО РАН
A. M. Gor'kii Ural State University, pr. Lenina 51, Ekaterinburg 620083, Russian Federation
L. V. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Institute of the Physics of Metals, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 18, Ekaterinburg 620241, Russian Federation
Доп.точки доступа:
Vas'kovskii, V. O.; Patrin, G. S.; Патрин, Геннадий Семёнович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Svalov, A. V.; Shchegoleva, N. N.
}
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12.
Spin-wave resonance in
Co/Pd magnetic
multilayers
and NiFe/Cu/NiFe three-layered films / R. S. Iskhakov [et al.]> // JETP Letters. - 2006. -
Vol. 83
,
Is. 1
. - P. 28-32,
DOI
10.1134/S0021364006010073. - Cited References: 16 . - ISSN 0021-3640
РУБ
Physics, Multidisciplinary
Рубрики:
FERROMAGNETIC-RESONANCE
Аннотация:
The spectrum of standing. spin waves has been detected by the ferromagnetic resonance method in NiFe(740 angstrom)/Cu/NiFe(740 angstrom) three-layered film structure in the perpendicular configuration for the copper thickness d(Cu) 30 angstrom, the resonance absorption curve is a superposition of two spinwave resonance spectra from individual ferromagnetic NiFe layers. For Co/Pd multilayer films, united spinwave resonance spectra have also been observed at thicknesses of the paramagnetic palladium layer up to d(Pd) 30 angstrom. The partial exchange stiffness has been calculated for a spin wave propagating across the Pd layer (A(Pd) d(c)).
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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, 660014, Russian Federation
Krasnoyarsk State University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Shepeta, N. A.; Stolyar, S. V.; Столяр, Сергей Викторович; Chekanova, L. A.; Чеканова, Лидия Александровна; Yakovchuk, V. Y.
}
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13.
Vazhenina, I. G.
Spin-Wave Resonance Detection of Nanostructured Magnetic Alloy Inhomogeneities, Using the Example of Co–P and Co–Ni Planar Systems / I. G. Vazhenina, L. A. Chekanova, R. S. Iskhakov> // Bull. Russ. Acad. Sci. Phys. - 2019. -
Vol. 83
,
Is. 6
. - P. 713-715,
DOI
10.3103/S1062873819060364. - Cited References: 12. - The reported study was funded by the Russian Foundation for Basic Research, the Government of Krasnoyarsk Krai, and the Krasnoyarsk Regional Fund of Science as part of research project no. 18-42-243005 “Synthesis and Investigation of Magnetic Properties of Gradient Materials Characterized by a Predetermined Type of the Magnetic Parameter Change.” . - ISSN 1062-8738
Кл.слова (ненормированные):
Magnetic materials
--
Magnetic thin films
--
Multilayers
--
Nanocrystals
--
Nickel alloys
--
Resonance
--
Spin waves
--
Thickness measurement
Аннотация:
Inhomogeneous layered magnetic thin films of amorphous and nanocrystalline Со–Р and Co–Ni alloys are studied via spin-wave resonance. It is found that the formation of a magnetic potential profile specified over the coating thickness leads to characteristic modifications of the spin-wave resonance spectrum. Another important factor that determines the type of modification is the dominant magnetic parameter (the constant of magnetization or exchange coupling).
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Публикация на русском языке
Важенина, Ирина Георгиевна. Неоднородности в магнитных наноструктурных сплавах, выявляемые методом спин-волнового резонанса, на примере планарных систем Co–P и Co–Ni [Текст] / И. Г. Важенина, Л. А. Чеканова, Р. С. Исхаков // Изв. РАН. Сер. физич. - 2019. - Т. 83 № 6. - С. 786–788
Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Chekanova, L. A.; Чеканова, Лидия Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Важенина, Ирина Георгиевна
}
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14.
Ignatchenko, V. A.
Spin waves in
multilayers
with different magnitudes of the magnetization, exchange, and anisotropy / V. A. Ignatchenko, D. S. Tsikalov> // Diffusion and Defect Data Pt.B: Solid State Phenomena. - 2012. -
Vol. 190
. - P. 71-74,
DOI
10.4028/www.scientific.net/SSP.190.71 . - ISBN 1012-0394. - ISBN 9783037854365
Кл.слова (ненормированные):
Band gaps
--
Magnonic crystals
--
Rectangular and sinusoidal modulation
--
Spin waves
--
Superlattices
--
Adjacent layers
--
Magnetic parameters
--
Magnon crystals
--
Magnonic crystals
--
Material parameter
--
Sinusoidal modulation
--
Spin-wave spectrum
--
Energy gap
--
Magnetic materials
--
Spin waves
--
Superlattices
--
Multilayers
Аннотация:
The spin-wave spectrum in one-dimensional magnon crystals - periodic superlattices (SLs) is investigated for the rectangular and sinusoidal modulation profile of the material parameters. The dependences of band gaps in the spectrum on both the difference of the magnetic parameters in adjacent layers and the ratio of the layer thicknesses are calculated. В© (2012) Trans Tech Publications.
Scopus
Доп.точки доступа:
Tsikalov, D. S.; Цикалов, Денис Сергеевич; Игнатченко, Вальтер Алексеевич; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
}
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15.
Spin waves in
multilayers
with different magnitudes of the magnetization, exchange, and anisotropy [Text] / V. A. Ignatchenko, D. S. Tsikalov> //
Moscow Int. Symp. on Magnet. (MISM-2011) : Book of abstracts. - 2011. - Ст. 23PO-J-23. - P. 463. - Библиогр.: 3. - Support by the Program No. 27.1 of the RAS Presidium, the State Contract No. 02.740.11.0220 on the FTP, and the Program RNP 2.1.1/3498 is acknowledged.
Доп.точки доступа:
Ignatchenko, V. A.; Игнатченко, Вальтер Алексеевич; Tsikalov, D. S.; Цикалов, Денис Сергеевич; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
}
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16.
Ignatchenko, V. A.
Spectrum of waves in randomly modulated
multilayers
/ V. A. Ignatchenko, Y. I. Mankov, A. A. Maradudin> // Phys. Rev. B. - 1999. -
Vol. 59
,
Is. 1
. - P. 42-45,
DOI
10.1103/PhysRevB.59.42. - Cited References: 14 . - ISSN 0163-1829
РУБ
Physics, Condensed Matter
Рубрики:
SEMICONDUCTOR SUPERLATTICES
LOCALIZATION
SYSTEMS
Аннотация:
The spectrum and damping of waves in partially randomized multilayer structures are calculated. A method of calculation which was proposed and demonstrated earlier for the model of a superlattice with a harmonic dependence of its material parameters along its axis in the initial state, is extended here to the case of a multilayer structure (i.e., a superlattice with sharp interfaces). One- and three-dimensional inhomogeneities are considered, and the correlation function of the superlattice is derived. The spectrum and damping of waves in the superlattice described by this correlation function are found in the weak-coupling approximation in the vicinities of all the odd Brillouin zone boundaries. [S0163-1829(99)14501-6].
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Держатели документа:
LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
ИФ СО РАН
Доп.точки доступа:
Mankov, Y. I.; Maradudin, A. A.; Игнатченко, Вальтер Алексеевич
}
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17.
Ignatchenko, V. A.
Spectral properties of waves in superlattices with 2D and 3D inhomogeneities / V. A. Ignatchenko, D. S. Tsikalov> // Journal of Experimental and Theoretical Physics. - 2011. -
Vol. 113
,
Is. 2
. - P. 232-244,
DOI
10.1134/S1063776111080061 . - ISSN 1063-7761
Кл.слова (ненормированные):
Analytic expressions
--
Brillouin zone boundary
--
Density of state
--
Dynamic susceptibility
--
Inhomogeneities
--
One-dimensional density
--
Optical methods
--
Optical structures
--
Peak height
--
Root mean squares
--
Spectral properties
--
Superlattice layers
--
Two phase
--
Wave numbers
--
Green's function
--
Magnetic susceptibility
--
Optical
multilayers
--
Phase interfaces
--
Three dimensional
--
Superlattices
Аннотация:
We investigate the dynamic susceptibility and one-dimensional density of states in an initially sinusoidal superlattice containing simultaneously 2D phase inhomogeneities simulating correlated rough-nesses of superlattice interfaces and 3D amplitude inhomogeneities of the superlattice layer materials. The analytic expression for the averaged Green's function of the sinusoidal superlattice with two phase inhomogeneities is derived in the Bourret approximation. It is shown that the effect of increasing asymmetry in the peak heights of dynamic susceptibility at the Brillouin zone boundary of the superlattice, which was discovered earlier [15] upon an increase in root-mean-square (rms) fluctuations, also takes place upon an increase in the correlation wavenumber of inhomogeneities. However, the peaks in this case also become closer, and the width and depth of the gap in the density of states decrease thereby. It is shown that the enhancement of rms fluctuations of 3D amplitude inhomogeneities in a superlattice containing 2D phase inhomogeneities suppresses the effect of dynamic susceptibility asymmetry and leads to a slight broadening of the gap in the density of states and a decrease in its depth. Targeted experiments aimed at detecting the effects studied here would facilitate the development of radio-spectroscopic and optical methods for identifying the presence of inhomogeneities of various dimensions in multilayer magnetic and optical structures. В© 2011 Pleiades Publishing, Ltd.
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Доп.точки доступа:
Tsikalov, D. S.; Цикалов, Денис Сергеевич; Игнатченко, Вальтер Алексеевич
}
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18.
Ignatchenko, V. A.
Spectral properties of waves in superlattices with 2D and 3D inhomogeneities / V. A. Ignatchenko, D. S. Tsikalov> // J. Exp. Theor. Phys. - 2011. -
Vol. 113
,
Is. 2
. - P. 232-244,
DOI
10.1134/S1063776111080061. - Cited References: 24. - This study was supported in part by the program of the Presidium of the Russian Academy of Sciences (grant no. 27.1), Federal Targeted Program (State contract no. 02.740.11.0220), and Targeted Programs "Development of the Higher School Scientific Potential" in 2009-2010 and 2011 years. . - ISSN 1063-7761
Рубрики:
X-RAY REFLECTION
PERTURBED FIELDS
MULTILAYERS
SUSCEPTIBILITY
PROPAGATION
INTERFACES
SCATTERING
SYSTEM
Аннотация:
We investigate the dynamic susceptibility and one-dimensional density of states in an initially sinusoidal superlattice containing simultaneously 2D phase inhomogeneities simulating correlated rough-nesses of superlattice interfaces and 3D amplitude inhomogeneities of the superlattice layer materials. The analytic expression for the averaged Green's function of the sinusoidal superlattice with two phase inhomogeneities is derived in the Bourret approximation. It is shown that the effect of increasing asymmetry in the peak heights of dynamic susceptibility at the Brillouin zone boundary of the superlattice, which was discovered earlier [15] upon an increase in root-mean-square (rms) fluctuations, also takes place upon an increase in the correlation wavenumber of inhomogeneities. However, the peaks in this case also become closer, and the width and depth of the gap in the density of states decrease thereby. It is shown that the enhancement of rms fluctuations of 3D amplitude inhomogeneities in a superlattice containing 2D phase inhomogeneities suppresses the effect of dynamic susceptibility asymmetry and leads to a slight broadening of the gap in the density of states and a decrease in its depth. Targeted experiments aimed at detecting the effects studied here would facilitate the development of radio-spectroscopic and optical methods for identifying the presence of inhomogeneities of various dimensions in multilayer magnetic and optical structures.
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Держатели документа:
[Ignatchenko, V. A.
Tsikalov, D. S.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Доп.точки доступа:
Tsikalov, D. S.; Цикалов, Денис Сергеевич; Игнатченко, Вальтер Алексеевич
}
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19.
Solid-state synthesis, structural
and magnetic properties of CoPd films / V. G. Myagkov [et al.]> // Phys. Solid State. - 2015. -
Vol. 57
,
Is. 5
. - P. 1014-1022,
DOI
10.1134/S1063783415050236. - Cited References:57. - This study was supported in part by the Russian Foundation for Basic Research (project no. 15-02-00948). . - ISSN 1063. - ISSN 1090-6460. -
РУБ
Physics, Condensed Matter
Рубрики:
HIGH-TEMPERATURE SYNTHESIS
EPITAXIAL THIN-FILMS
CENTERED-CUBIC CO
MARTENSITIC TRANSFORMATIONS
PHASE SYNTHESIS
SINGLE-CRYSTAL
FE FILMS
CO/PD
MULTILAYERS
RECORDING MEDIA
ANISOTROPY
Аннотация:
The results of the investigation of the structural and magnetic properties of CoPd films with equiatomic composition have been presented. The films have been synthesized by vacuum annealing of polycrystalline Pd/Co and epitaxial Pd/α-Co(110) and Pd/β-Co(001) bilayer samples. It has been shown that, for all samples, the annealing to 400°C does not lead to the mixing of layers and the formation of compounds. A further increase in the annealing temperature results in the formation of a disordered CoPd phase at the Pd/Co interface, which is fully completed after annealing at 650°C. The epitaxial relationships between the disordered CoPd phase and the MgO(001) substrate are determined as follows: CoPd(110)〈1¯11|| MgO(001)〈100〉 and CoPd(001)[100] || MgO(001)[100], which are formed in the Pd/αCo(110) and Pd/βCo(001) films, respectively. According to the calculations, the first magnetocrystalline anisotropy constants of the disordered CoPd phase for Pd/αCo(110) and Pd/βCo(001) samples have close values: = –(1.6 ± 0.4) × 105 erg/cm3. A possible mechanism of the solidstate synthesis of the CoPd alloy is proposed.
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Публикация на русском языке
Твердофазный синтез, структурные и магнитные свойства пленок CoPd [Текст] / В. Г. Мягков [и др.] // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2015. - Т. 57 Вып. 5. - С. 999-1006
Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Myagkov, V. G.; Мягков, Виктор Григорьевич; Bykova, L. E.; Быкова, Людмила Евгеньевна; Zhigalov, V. S.; Жигалов, Виктор Степанович; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Bondarenko, G. N.; Бондаренко, Галина Николаевна; Matsynin, A. A.; Мацынин, Алексей Александрович; Rybakova, A. N.; Russian Foundation for Basic Research [15-02-00948]
}
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20.
Solid-Phase Synthesis of
Co(7)Sm(2)(110) Epitaxial Nanofilms: Structural and Magnetic Properties / V. S. Zhigalov [et al.]> // JETP Letters. - 2008. -
Vol. 88
,
Is. 6
. - P. 389-393,
DOI
10.1134/S0021364008180100. - Cited References: 28. - This work was supported by the Russian Foundation for Basic Research (project no. 07-03-00190) and by the program "Development of the Scientific Potentiality of the Higher Education" (project no. 2.1.1.7376). . - ISSN 0021-3640
РУБ
Physics, Multidisciplinary
Рубрики:
HIGH-TEMPERATURE SYNTHESIS
THIN-FILMS
MARTENSITIC TRANSFORMATIONS
STATE SYNTHESIS
MULTILAYERS
TRANSITION
Аннотация:
The solid-phase synthesis of the Co(7)Sm(2) and Co(17)Sm(2) magnetically hard phases in Co/Sm/Co(110) epitaxial film systems has been experimentally investigated. The Co(7)Sm(2) phase is first formed at the Sm/Co interface at a relatively low (similar to 300 degrees C) temperature. As the annealing temperature increases to similar to 450 degrees C, the Co(17)Sm(2)(110) phase grows epitaxially on the Co(7)Sm(2)(110) phase. The saturation magnetization and biaxial anisotropy constant in the samples vary with the formation of the Co(7)Sm(2) and Co(17)Sm(2) phases. Investigations of the solidphase synthesis in the nanofilms reveal the existence of a new structure phase transition at 300 degrees C in the Co-Sm system with a high cobalt content.
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Держатели документа:
[Zhigalov, V. S.
Myagkov, V. G.
Bykova, L. E.] Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
[Solov'ev, L. A.
Bondarenko, G. N.] Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia
ИФ СО РАН
ИХХТ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
Zhigalov, V. S.; Жигалов, Виктор Степанович; Myagkov, V. G.; Мягков, Виктор Григорьевич; Solov'ev, L. A.; Соловьев, Леонид Александрович; Bondarenko, G. N.; Бондаренко, Галина Николаевна; Bykova, L. E.; Быкова, Людмила Евгеньевна
}
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