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Enhancement of the magnetocapacitance effect in an external electric field in LaxBi1-xFeO3 films / S. S. Aplesnin [et al.] // J. Exp. Theor. Phys. - 2015. - Vol. 121, Is. 3. - P. 422-428, DOI 10.1134/S1063776115090022. - Cited References: 28. - This work was supported by the Russian Foundation for Basic Research (project no. 12-02-00125-a) and by the State Task no. 114090470016. . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
MAGNETIC DOMAIN-WALLS
BIFEO3 FILMS
MULTIFERROICS
Аннотация: The goal of the study is to determine the value of magnetocapacitance under the substitution of lanthanum for bismuth in thin LaxBi1-xFeO3 films and to find out the effect of an external bias electric field on the magnetocapacitance effect. To solve this task, the dielectric permittivity, the magnetic permeability, and the loss tangent are measured in LaxBi1-xFeO3 films in magnetic fields of up to 8 kOe in the range of temperatures 100 K < T < 1000 K. Maxima of the permittivity and permeability at low temperatures and the dependence of the permeability on the prehistory of a sample are found. An increase in the magnetocapacitance due to the substitution of lanthanum for bismuth is observed. A giant enhancement of magnetocapacitance in an external electric bias field is revealed. These phenomena are attributed to the rearrangement of the domain structure. © 2015, Pleiades Publishing, Inc.

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Публикация на русском языке Усиление магнитоемкостного эффекта во внешнем электрическом поле в пленках LaxBi1-xFeO3 [Текст] / С. С. Аплеснин [и др.] // Журн. эксперим. и теор. физ. : Наука, 2015. - Т. 148 Вып. 3. - С. 485-492

Держатели документа:
Reshetnikov Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation
Scientific and Practical Materials Research Center, National Academy of Sciences of Belarus, Minsk, Belarus

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Kretinin, V. V.; Кретинин В. В.; Panasevich, A. M.; Yanushkevich, K. I.
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    Magnetopiezoelectric effect and magnetocapacitance in SmFe3(BO3)4 / T. N. Gaydamak [et al.] // Phys. Rev. B. - 2015. - Vol. 92, Is. 21. - Ст. 214428, DOI 10.1103/PhysRevB.92.214428. - Cited References:19. - This study was supported in part by the grants of the Russian Foundation for Basic Research 14-02-00307 and 13-02-12442 and Grant for Support of Leading Scientific Schools 924.2014.2. The authors are grateful to N.F. Kharchenko and I.E. Chupis for numerous useful discussions. . - ISSN 1098-0121. - ISSN 1550-235X
   Перевод заглавия: Магнитопьезоэлектрический эффект и магнетотеплоемкость в SmFe3(BO3)4

РУБ Physics, Condensed Matter

Аннотация: A giant magnetopiezoelectric effect has been revealed in samarium ferroborate. The effective piezomodulus is increased more than twice in the antiferromagnetic phase and it is reduced by a high magnetic field. The nature of the effect is in the joint contribution of both magnetoelectric and magnetoelastic interactions. The evolution of this contribution in the magnetic field is caused by the growth of the magnetic energy including the spin reorientation. Additional data concerning the behavior of the high-frequency magnetocapacitance have been obtained. The parameters of magnetoelectric and magnetoelastic couplings and the magnetic anisotropy constant in the basal plane have been determined.

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Держатели документа:
Natl Acad Sci Ukraine, BI Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine.
Russian Acad Sci, Siberian Branch, LV Kirensky Inst Phys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Gaydamak, T. N.; Gudim, I. A.; Гудим, Ирина Анатольевна; Zvyagina, G. A.; Bilych, I. V.; Burma, N. G.; Zhekov, K. R.; Fil, V. D.; Russian Foundation for Basic Research [14-02-00307, 13-02-12442]; Leading Scientific Schools [924.2014.2]
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Aplesnin, S. S.
Magnetocapacitance effect in GdxMn1–xS / S. S. Aplesnin, M. N. Sitnikov // Phys. Solid State. - 2016. - Vol. 58, Is. 6. - P. 1148-1153, DOI 10.1134/S1063783416060032. - Cited References: 15. - This study was supported by the Russian Foundation for Basic Research (project no. 15-42-04099 r_si-bir_a) and the Ministry of Education and Science of the Russian Federation (state contract no. 114090470016). . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
Ferroelectricity
Аннотация: The capacitance and dielectric loss tangent of GdxMn1–xS (x ≤ 0.2) solid solutions have been measured at a frequency of 10 kHz without magnetic field and in a magnetic field of 8 kOe in the temperature range of 90–450 K. An increase in the permittivity and a dielectric loss maximum have been detected in the low-temperature region. It has been found that the temperature of the maximum of the imaginary part of the permittivity shifts to higher temperatures with increasing concentration. The magnetocapacitance effect has been revealed for two compositions. The dielectric loss has been described in the Debye model with “freezing” dipole moments and in the orbital-charge ordering model.

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Публикация на русском языке Аплеснин, Сергей Степанович. Магнитоемкостный эффект в GdxMn1-xS [Текст] / С. С. Аплеснин, М. Н. Ситников // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2016. - Т. 58 Вып. 6. - С. 1112–1117

Держатели документа:
Reshetnev Siberian State Aerospace University, pr. Krasnoyarskii Rabochii 31, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Science, Akademgorodok 50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Sitnikov, M. N.; Аплеснин, Сергей Степанович
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Magnetoimpedance and magnetocapacitance of anion-substituted manganese chalcogenides / S. S. Aplesnin [et al.] // J. Appl. Phys. - 2017. - Vol. 121, Is. 7. - Ст. 075701, DOI 10.1063/1.4976097. - Cited References: 26. - The reported study was funded by the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project No. 17-42-240079 r_sibir_a. This study was supported by the Russian Foundation for Basic Research project No. 16-52-00045 Bel_a and government work No. 114090470016. . - ISSN 0021-8979
Кл.слова (ненормированные):
Activation energy -- Chalcogenides -- Inorganic compounds -- Manganese -- Neel temperature -- Carrier relaxation time -- Impedance spectroscopy -- Low and high frequencies -- Magnetically ordered state -- Magneto-resistive effect -- Magnetocapacitance -- Pyroelectric current -- Temperature dependence -- Temperature distribution
Аннотация: The magnetoresistive effect in MnSe1−XTeX manganese chalcogenides with a substitute concentration of X = 0.1 is studied by impedance spectroscopy. The magnetoimpedance above the Neel temperature is found. The obtained experimental data are explained in the framework of the model of existence of magnetic nanoareas of two types. Two activation energies in the low- and high-frequency regions are determined from the frequency and temperature dependences of the permittivity described in the Debye model. The extrema found in the temperature dependence of the pyroelectric current are consistent with the maxima in the temperature dependence of magnetization. Temperature dependence of the carrier relaxation time is established. The magnetocapacitance of the MnSe1−XTeX solid solutions is found. The change in the carrier type above the Neel temperature and the temperature of the transition to the magnetically ordered state in the MnTe nanoarea is established.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian State Aerospace University, M. F. Reshetnev Corporation, Krasnoyarsk, Russian Federation
Scientific-Practical Materials Research Center NAS, Minsk, Belarus

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Romanova, O. B.; Романова, Оксана Борисовна; Korolev, V. V.; Sitnikov, M. N.; Yanushkevich, K. I.
}
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Magnetocapacitance and hysteresis of electricalpolarization in GDxMn1-xSe / S. S. Aplesnin [et al.] // Moscow International Symposium on Magnetism (MISM-2017) : 1-7 July 2017 : book of abstracts. - 2017. - Ст. 4OR-F-11. - P. 666

РИНЦ,
Материалы конференции,
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Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Panasevich, A. M.; Sitnikov, M. N.; Khar'kov, A. M.; Moscow International Symposium on Magnetism(7 ; 2017 ; Jul. ; Moscow); Московский государственный университет им. М.В. Ломоносова; Российский фонд фундаментальных исследований
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Magnetocapacitance, magnetoelasticity, and magnetopiezoelectric effect in HoFe3(BO3)4 / L. S. Kolodyazhnaya [et al.] // Low Temp. Phys. - 2018. - Vol. 44, Is. 12. - P. 1341-1347, DOI 10.1063/1.5078631. - Cited References: 18 . - ISSN 1063-777X. - ISSN 1090-6517

РУБ Physics, Applied

Аннотация: The main components of the tensor of the moduli of elasticity and the piezomodulus have been measured in monocrystals of the ferroborate HoFe3(BO3)4. The spin-dependent contributions to sound velocity, dielectric permeability, and piezoelectric response in the antiferromagnetic state were studied. The parameters of magnetoelectric and magnetoelastic interactions in an easy-plane magnetic-ordering phase have been defined. A phenomenological interpretation of observed effects is given.

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Публикация на русском языке Магнитоемкость, магнитоупругость и магнитопьезоэлектрический эффект в HoFe3(BO3)4 [Текст] / М. П. Колодяжная [и др.] // Физ. низких температур. - 2018. - Т. 44 № 12. - С. 1712-1720

Держатели документа:
Natl Acad Sci Ukraine, Verkin Inst Low Temp Phys & Engn, Pr Nauki 47, UA-61103 Kharkov, Ukraine.
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Akad Gorodok 50, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Kolodyazhnaya, L. S.; Zvyagina, G. A.; Bilych, I. V.; Zhekov, K. P.; Burma, N. G.; Fil', V. D.; Gudim, I. A.; Гудим, Ирина Анатольевна
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Aplesnin, S. S.
Magnetic capacitance in variable-valence manganese sulfides / S. S. Aplesnin, A. M. Kharkov, G. Y. Filipson // Phys. Status Solidi B. - 2020. - Vol. 257, Is. 5. - Ст. 1900637, DOI 10.1002/pssb.201900637. - Cited References: 12. - This study was supported by the Russian Foundation for Basic Research No. 18-32-00079 mol_a. The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science No. 18-42-240001 r_a . - ISSN 0370-1972
Кл.слова (ненормированные):
Debye model -- infrared spectroscopy -- magnetocapacitance -- permittivity -- relaxation time
Аннотация: The permittivity of TmxMn1–xS (0 < x < 0.15) solid solutions is measured in the frequency range of 102–106 Hz at temperatures of 300–500 K in magnetic fields of up to 12 kOe. The migration and relaxation conductivity contributions to the electric polarization are established. The relaxation time and activation energy are calculated using the Debye model. A decrease in the capacitance and relaxation time in a magnetic field is observed. The electron polarization relaxation channel provided by recombination of the electron–hole pairs is found using the infrared spectroscopy investigations.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50 bld. 38, Krasnoyarsk, 660036, Russian Federation
Institute of Space Technology, Reshetnev Siberian State University of Science and Technology, Krasnoyarskiy rabochiy Ave., 31, Krasnoyarsk, 660037, Russian Federation

Доп.точки доступа:
Kharkov, A. M.; Filipson, G. Y.; Аплеснин, Сергей Степанович
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Effect of the electrical inhomogeneity on the magnetocapacitance sign change in the HoxMn1−xS semiconductors upon temperature and frequency variation / S. S. Aplesnin, M. N. Sitnikov, A. M. Kharkov, H. Abdelbaki // J. Mater. Sci.: Mater. Electron. - 2023. - Vol. 34, Is. 4. - Ст. 284, DOI 10.1007/s10854-022-09731-3. - Cited References: 32. - Council on grants of the President of the Russian Federation, MK-620.2021.1.2, Maksim Sitnikov . - ISSN 1573-482X
Аннотация: The dielectric properties of the HoxMn1−xS (x ≤ 0.1) semiconductors in the frequency range of 100 ˂ ω ˂ 106 Hz at temperatures of 80−550 K have been studied. The temperature crossover from the Debye behavior of the permittivity to the resonance behavior has been found at low holmium concentrations in the compounds. The frequency of the crossover from the migration to dipole orientation polarization with the minimum dielectric loss has been determined. The positive and negative magnetocapacitances for two concentrations of holmium ions have been found. The temperature and frequency ranges of the magnetocapacitance sign change have been established and this phenomenon has been explained using the model of the transition from electrically inhomogeneous to homogeneous states.

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Держатели документа:
Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, Russia
Federal Research Center KSC SB RAS, Kirensky Institute of Physics, Krasnoyarsk, Russia

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Sitnikov, M. N.; Kharkov, A. M.; Abdelbaki, H.
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