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    Anisotropy of the electromechanical characteristics of SH-waves and Lamb waves in yttrium aluminum borate single crystals / P. P. Turchin, S. I. Burkov, V. I. Turchin [et al.] // J. Sib. Fed. Univ. Math. Phys. - 2022. - Vol. 15, Is. 1. - P. 80-87 ; Журн. СФУ. Матем. и физика, DOI 10.17516/1997-1397-2022-15-1-80-87. - Cited References: 24. - The study was carried out within the framework of the state assignment of the Ministry of Science and Higher Education of the Russian Federation (research project code FSRZ-2020-0011) . - ISSN 1997-1397. - ISSN 2313-6022
   Перевод заглавия: Анизотропия и электромеханические характеристики SH-волн и волн Лэмба в монокристаллах иттриевого алюмобората

РУБ Mathematics

Кл.слова (ненормированные):
surface acoustic, SH and Lamb waves -- piezoelectrics -- multiferroics -- yttrium aluminum borates -- поверхностные акустические, SH- и Лэмба волны -- пьезоэлектрики -- мультиферроики -- алюмоборат иттрия
Аннотация: The anisotropy of the electromechanical properties of SH-waves and Lamb waves in yttrium aluminum borates, which are nonmagnetic representatives of the RMe3(BO3)4 single crystals family (where R=Y, La-Lu; M=Fe, Al, Cr, Ga, Sc) with unique properties of magnetoelectrics and multiferroics, has been studied. In the process of the numerical simulation of the acoustic waves characteristics, the values of linear electromechanical constants of YAl3(BO3)4 single crystals, previously measured by ultrasonic pulse echo and quasi-static methods, have been used.
Исследована анизотропия электромеханичеких характеристик SH-волн и волн Лэмба в иттриевых алюмоборатах, которые являются немагнитным представителем семейства монокри- сталлов RMe3(BO3)4 (где R=Y, La-Lu; M=Fe, Al, Cr, Ga, Sc) с уникальными свойствами магнитоэлектриков и мультиферроиков. При численном моделировании характеристик акустических волн использованы значения линейных электромеханических постоянных монокристаллов YAl3(BO3)4, измеренных ранее ультразвуковым эхо-импульсным и квазистатическим методами.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk, Russia.

Доп.точки доступа:
Turchin, Pavel P.; Турчин, Павел Петрович; Burkov, S. I.; Turchin, Vladimir, I; Pletnev, Oleg N.; Chulkova, Marina Yu; Nechepuryshina, Anastasia G.; Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0011]

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Antiferromagnetic resonance in ferroborate NdFe3(BO3)(4) / M. I. Kobets, K. G. Dergachev, E. N. Khatsko [et al.] // Physica B. - 2011. - Vol. 406, Is. 18. - P. 3430-3435, DOI 10.1016/j.physb.2011.06.014. - Cited Reference Count: 19 . - SEP 15. - ISSN 0921-4526. - ISSN 1873-2135
Рубрики:
Physics, Condensed Matter
Кл.слова (ненормированные):
antiferromagnet -- resonance -- multiferroics -- commensurate-incommensurate phase
Аннотация: The AFMR spectra of the NdFe3(BO3)(4) crystal are measured in a wide range of frequencies and temperatures. It is found that by the type of its magnetic anisotropy the compound is an easy-plane antiferromagnet with a weak anisotropy in the basal plane. The effective magnetic parameters are determined: anisotropy fields H-a1 = 1.14 kOe and H-a2 = 60 kOe and magnetic excitation gaps Delta v(1) = 101.9 GHz and Delta v(2) = 23.8 GHz. It is shown that commensurate-incommensurate phase transition causes a shift in resonance field and a considerable change in absorption line width. At temperatures below 4.2 K nonlinear regimes of AFMR excitation at low microwave power levels are observed. (C) 2009 Elsevier B.V. All rights reserved.

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Держатели документа:
Natl Acad Sci, B Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine;
L V Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Kobets, M.I.; Dergachev, K.G.; Khatsko, E.N.; Gnatchenko, S.L.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович
}
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Application of DMA 242 C for quasi-static measurements of piezoelectric properties of solids / P. P. Turchin, V. I. Turchin, S. V. Yurkevich [et al.] // J. Sib. Fed. Univ. Math. Phys. - 2020. - Vol. 13, Is. 1. - P. 97-103 ; Журн. СФУ. Матем. и физика, DOI 10.17516/1997-1397-2020-13-1-97-103. - Cited References: 26. - The reported study was funded by Russian Foundation for Basic Research project no. 18-42-240016, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science, to the research project: "Electromechanical Properties and Anisotropy of Acoustic Wave Propagation in Yttrium Aluminoborates Single Crystals" . - ISSN 1997-1397
Кл.слова (ненормированные):
Piezoelectric modules -- Quasistatic method -- Multiferroics
Аннотация: An experimental device for quasi-static measurements of piezoelectric moduli dijk, based on the possibilities of precision variations in mechanical stresses with the device DMA 242 C in the frequency range 0-100 Hz has been developed. A special sample holder and a charge amplifier are used in the measuring scheme. The measurements of piezoelectric moduli values of trigonal piezoelectric single crystalls La3Ga5SiO14 (P321) and YAl3(BO3)4 (R32), as well as hexagonal ZnO (P63mc) have been carried out.

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Держатели документа:
Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Turchin, P. P.; Турчин, Павел Петрович; Turchin, V. I.; Yurkevich, S. V.; Sukhodaev, P. O.; Raikova, I. S.

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Ivanov, Y. N.
B-11 NMR study of Ho1−x Y x Al3(BO3)4 multiferroics / Y. N. Ivanov, A. A. Sukhovskii, N. V. Volkov // J. Struct. Chem. - 2013. - Vol. 54, Is. 1 : Suppl. - P. 130-136DOI 10.1134/S0022476613070135
Аннотация: The 11B NMR method is used to study the crystals of trigonal alumina borates Ho1−x Y x Al3(BO3)4 (x = 0, 0.5, 1). The temperature-field evolution of quadrupole and hyperfine interactions in these compounds is studied and described.

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Публикация на русском языке Иванов, Юрий Николаевич. Исследование мультиферроиков Ho1-xYxAl3(BO3)4 методом ЯМР 11В / Ю. Н. Иванов // Журнал структурной химии : ФГУП "Издательство Сибирского отделения Российской акдемии наук", 2013. - Т. 54, Приложение. - С. 132-138. - ISSN 0136-7463

Доп.точки доступа:
Sukhovskii, A. A.; Суховский, Андрей Андреевич; Volkov, N. V.; Волков, Никита Валентинович; Иванов, Юрий Николаевич
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Caloric and multicaloric effects in oxygen ferroics and multiferroics / I. N. Flerov [et al.] // Phys. Solid State. - 2015. - Vol. 57, Is. 3. - P. 429-441, DOI 10.1134/S1063783415030075. - Cited References:53. - This study was supported by the Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools of the Russian Federation (grant no. NSh-924.2014.2). . - ISSN 1063. - ISSN 1090-6460. -

РУБ Physics, Condensed Matter
Рубрики:
PHASE-TRANSITIONS
   MAGNETOCALORIC MATERIALS
   ELECTROCALORIC MATERIALS
   REFRIGERATION
   CERAMICS
   OXYFLUORIDES
Аннотация: The main problems of the current state-of-the-art research into the caloric effects observed in oxygen ferroics, multiferroics, and composites, as well as the influence of different factors (anisotropy, dimensional parameters, direct and indirect interferroic interactions) on these effects, have been considered. Possible ways to increase the caloric efficiency of materials have been analyzed.

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Публикация на русском языке Калорические и мультикалорические эффекты в кислородных ферроиках и мультиферроиках [Текст] / И. Н. Флёров [и др.] // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2015. - Т. 57 Вып. 3. - С. 421-431

Доп.точки доступа:
Flerov, I. N.; Флёров, Игорь Николаевич; Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Gorev, M. V.; Горев, Михаил Васильевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Всероссийская конференция по физике сегнетоэлектриков(20 ; 2014 ; 18-22 авг. ; Красноярск)
}
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Aplesnin, S. S.
Change in the magnetocapacity in the paramagnetic region in a cation-substituted manganese selenide / S. S. Aplesnin, M. N. Sitnikov, A. M. Zhivul'ko // Phys. Solid State. - 2018. - Vol. 60, Is. 4. - P. 673-680, DOI 10.1134/S1063783418040029. - Cited References:19. - This work is supported by the Russian Foundation for Basic Research (project no. 17-32-50080), grant no. 16-52-00045 Bel_a, and state task no. 3.5743.2017/6.7. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
MULTIFERROICS
Аннотация: The capacity and the dielectric loss tangent of a Gd x Mn1–xSe (x ≤ 0.2) solid solution have been measured in the frequency range 1–300 kHz without a magnetic field and in a magnetic field of 8 kOe in the temperature range 100–450 K, and the magnetic moment of the solid solution has been measured in a field of 8.6 kOe. The magnetocapacity effect and the change in the magnetocapacity sign have been observed in room temperature in the paramagnetic region. A correlation of the changes in the dielectric permittivity and the magnetic susceptibility with temperature has been revealed. The magnetocapacity is described using the model with orbital electron ordering and the Maxwell–Wagner model.

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Публикация на русском языке Аплеснин, Сергей Степанович. Смена знака магнитоемкости в парамагнитной области в катион-замещенном селениде марганца [Текст] / С. С. Аплеснин, М. Н. Ситников, А. М. Живулько // Физ. тверд. тела. - 2018. - Т. 60 Вып. 4. - С. 670-676

Держатели документа:
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia.
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Natl Acad Sci Belarus, Sci Pract Mat Res Ctr, Minsk 220072, Byelarus.

Доп.точки доступа:
Sitnikov, M. N.; Zhivul'ko, A. M.; Аплеснин, Сергей Степанович; Russian Foundation for Basic Research [17-32-50080, 16-52-00045 Bel_a, 3.5743.2017/6.7]
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Complex interplay between 3d and 4f magnetic systems in multiferroic DyMnO3 / A. N. Matveeva, I. A. Zobkalo, M. Meven [et al.] // J. Magn. Magn. Mater. - 2023. - Vol. 569. - Ст. 170415, DOI 10.1016/j.jmmm.2023.170415. - Cited References: 28. - The authors are grateful to S.V. Gavrilov for the technical assistance. This work was supported by the Russian Foundation for Basic Research grant # 19-52-12047, and DFG grant # SA 3688/1-1, also by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research projects number 18-42-243024 and 20-42-243008. The neutron data were obtained at the instrument HEiDi operated jointly by RWTH Aachen University and Jülich Centre for Neutron Science within JARA cooperation . - ISSN 0304-8853
Кл.слова (ненормированные):
Neutron diffraction -- Crystal structure -- Multiferroics -- Magnetic structure -- Manganites
Аннотация: Structural and magnetic properties of single crystals of DyMnO3 were investigated by neutron diffraction in order to study the peculiarities of 3d-4f interactions in this compound. Precise magnetic order and its detailed temperature evolution were determined using single crystal neutron diffraction. Elliptical cycloid on manganese subsystem below TCh = 19 K was confirmed, with temperature decrease the elipticity of the Mn magnetic structure reduces significantly, creating almost circular cycloid. Temperature evolution of the magnetic structure demonstrate specific hysteretic behavior. The results show a complex interplay between transition metal and rare earth magnetic sublattices leading to so-called “Mn- controlled” and “Dy- controlled” magnetic states. The strong and complicate 3d-4f interaction leads to the unusual very slow magnetic structure relaxation.

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Держатели документа:
Petersburg Nuclear Physics Institute by B.P. Konstantinov of NRC «Kurchatov Institute», Gatchina, 188300, Russian Federation
Institute of Crystallography, RWTH Aachen University and Julich Centre for Neutron Science at Heinz Maier- Leibnitz Zentrum, Garching, Germany
Kirensky Institute of Physics, Federal Research Center, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Matveeva, A. N.; Zobkalo, I. A.; Meven, M.; Freidman, A. L.; Фрейдман, Александр Леонидович; Semenov, S. V.; Семёнов, Сергей Васильевич; Terentjev, K. Yu.; Терентьев, Константин Юрьевич; Pavlovskiy, N. S.; Павловский, Николай Сергеевич; Kolkov, M. I.; Колков, Максим Игоревич; Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Hutanu, V.
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Control of coexisting magnetic phases by electric fields in NdFe3(BO3)(4) / S. Partzsch [et al.] // Phys. Rev. B. - 2016. - Vol. 94, Is. 5. - Ст. 054421, DOI 10.1103/PhysRevB.94.054421. - Cited References:29. - We thank H.-C. Walker for the technical support at ID20, and F. de Bergevin, C. Detlefs, and L. Paolasini for helpful discussions. This work was supported by the DFG through the SFB 1143, as well as Grants No. GE 1647/2-1 (S.P, J.G.) and No. HA6470/1-1 (J.E.H.B). Further financial support was received by the Ministry of Education and Science of the Russian Federation in the framework of the Increase Competitiveness Program of NUST "MISiS" (Grant No. kappa 2-2015-075) and by Act 211 of the Government of the Russian Federation (Contract No. 02.A03.21.0006). We also gratefully acknowledge the beamtime provision by BESSY II of the Helmholtz-Zentrum Berlin and the ESRF. . - ISSN 2469-9950. - ISSN 2469-9969

РУБ Physics, Condensed Matter
Рубрики:
EXCHANGE SCATTERING
   POLARIZATION
   MULTIFERROICS
   REVERSAL
Аннотация: We present a resonant x-ray diffraction study of the magnetic order in NdFe3(BO3)4 and its coupling to applied electric fields. Our high-resolution measurements reveal two different coexisting magnetic phases, which can directly be controlled and manipulated by external electric fields. More specifically, the volume fraction of the collinear magnetic phase is found to strongly increase at the expense of helically ordered regions when an electric field is applied. These results confirm that the collinear magnetic phase is responsible for the ferroelectric polarization of NdFe3(BO3)4 and, more importantly, demonstrate that coexisting magnetic phases provide a route towards materials with a strong but yet hysteresis-free magnetoelectric response.

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Держатели документа:
IFW Dresden, Leibniz Inst Solid State & Mat Res, Helmholtzstr 20, D-01069 Dresden, Germany.
ESRF, BP 220, F-38043 Grenoble, France.
Politecn Milan, Dipartimento Fis, Piazza Leonardo Da Vinci 32, I-20133 Milan, Italy.
Politecn Milan, Unita CNISM, Piazza Leonardo Da Vinci 32, I-20133 Milan, Italy.
ALBA Synchrotron Light Source, E-08290 Barcelona, Spain.
Helmholtz Zentrum Berlin, Albert Einstein Str 15, D-12489 Berlin, Germany.
Moscow MV Lomonosov State Univ, Fac Phys, Low Temp Phys Dept, Moscow 119992, Russia.
Ural Fed Univ, Theoret Phys & Appl Math Dept, Ekaterinburg 620002, Russia.
Natl Univ Sci & Technol MISiS, Moscow 119049, Russia.
RAS, Siberian Branch, LV Kirensky Inst Phys, Krosnayarsk 660036, Russia.
Tech Univ Dresden, Inst Solid State Phys, D-01062 Dresden, Germany.
Paris Lodron Univ Salzburg, Chem & Phys Mat, Hellbrunner Str 34, A-5020 Salzburg, Austria.
OUT eV, Kopenicker Str 325,Haus 201, D-12555 Berlin, Germany.

Доп.точки доступа:
Partzsch, S.; Hamann-Borrero, J. E.; Mazzoli, C.; Herrero-Martin, J.; Valencia, S.; Feyerherm, R.; Dudzik, E.; Vasiliev, A.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Buchner, B.; Geck, J.; DFG [SFB 1143, GE 1647/2-1, HA6470/1-1]; Ministry of Education and Science of the Russian Federation [kappa2-2015-075]; Government of the Russian Federation [02.A03.21.0006]
}
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Petrova, A. E.
Copper metaborate CuB2O4 phase diagrams bAsed on the results of measuring the magnetic moment / A. E. Petrova, A. I. Pankrats // J. Exp. Theor. Phys. - 2018. - Vol. 126, Is. 4. - P. 506-513, DOI 10.1134/S1063776118030172. - Cited References: 18. - This work was supported in part by the Russian Foundation for Basic Research (project no. 18-02-00183-a) and the program “Condensed Matter Physics and New-Generation Materials” of the Presidium of the Russian Academy of Sciences. . - ISSN 1063-7761
Кл.слова (ненормированные):
Copper metaborate -- Magnetic phase transitions -- Multiferroics
Аннотация: The magnetic phase transitions and the phase diagrams of the CuB2O4 multiferroic are studied. Phase diagrams of copper metaborate in a magnetic field directed along the [100] and [001] axes are plotted using the results of measuring the magnetic moment. Evidences for the existence of polycritical points are obtained.

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Публикация на русском языке Петрова А. Е. Фазовые диаграммы метабората меди CuB2O4 по результатам исследования магнитного момента [Текст] / А. Е. Петрова, А. И. Панкрац // Журн. эксперим. и теор. физ. - 2018. - Т. 153 Вып. 4. - С. 615-624

Держатели документа:
Institute for High Pressure Physics, Russian Academy of Sciences, Troitsk, Moscow, Russian Federation
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Science, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Pankrats, A. I.; Панкрац, Анатолий Иванович
}
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10.

Coupled R and Fe magnetic excitations in RFe 3(BO 3) 4 multiferroics / A. M. Kuzmenko [et al.] // Diffusion and Defect Data Pt.B: Solid State Phenomena. - 2012. - Vol. 190. - P. 269-272, DOI 10.4028/www.scientific.net/SSP.190.269 . - ISBN 9783037854365
Кл.слова (ненормированные):
Magnetic resonance -- Rare-earth iron borates -- Terahertz spectroscopy -- Antiferromagnetics -- Coupled mode -- Exchange coupled -- Frequency ranges -- G factors -- Iron borate -- Magnetic excitations -- Multiferroics -- Resonance mode -- Strong interaction -- Transmission spectrums -- Antiferromagnetism -- Electron transitions -- Gadolinium -- Ions -- Magnetic materials -- Magnetic permeability -- Magnetic resonance -- Terahertz spectroscopy -- Neodymium
Аннотация: Various resonance modes were observed in the transmission spectra of rare-earth iron borates RFe 3(BO 3) 4 (R = Nd 3+, Sm 3+, Gd 3+) at the frequency range 100-600 GHz, which were attributed to collective magnetic excitations in the exchange coupled Fe- and R-subsystems, i.e. antiferromagnetic (Fe) resonance and electron transitions in the R-ions. Strong interaction of the Fe and R oscillations was revealed and theoretically analyzed taking into account feature of the R-ion ground state. Intensities of the coupled modes (contributions to magnetic permeability) strongly depend on a difference of Fe and R ions g-factors that allows defining the sign of the latter. In particular, an appreciable intensity of exchange (Nd) modes in NdFe 3(BO 3) 4 is caused by g Nd?,|| < 0 whereas in GdFe 3(BO 3) 4 with gGd ? gFe ? 2 the exchange (Gd) modes were hided due to compensation of Fe and Gd contributions. In SmFe 3(BO 3) 4, despite a negligible Sm g-factor, the Sm modes were clear observed due to their excitation via coupling with the Fe-subsystem. В© (2012) Trans Tech Publications.

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Доп.точки доступа:
Kuzmenko, A. M.; Кузьменко А.М.; Mukhin, A. A.; Ivanov, V.Yu.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
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11.

Direct and inverse magnetoelectric effect in orthorhombic single crystals of Dy1−xHoxMnO3 / A. L. Freydman, I. N. Horoshiy, M. I. Kolkov, K. Yu. Terent’ev // Phys. Solid State. - 2022. - Vol. 64, Is. 14. - P. 2347-2352, DOI 10.21883/PSS.2022.14.54338.185. - Cited References: 17. - The study was done with financial support from the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory and the Krasnoyarsk Regional Fund of Science within the scientific project No. 20-42-243008 . - ISSN 1063-7834. - ISSN 1090-6460
Кл.слова (ненормированные):
multiferroics -- magnetoelectric effect -- phase transition -- ferroelectricity
Аннотация: In this work, the magnetoelectric response in a series of Dy1−xHoxMnO3 crystals with substitution x from 0 to 0.4 was investigated. The measurement results showed that, as x increases, a decrease in both the polarization Pa and the magnitude of the susceptibility of the inverse magnetoelectric effect αba is observed. In addition, the field Hb increases, at which the Pc → Pa transition is observed, and the temperature range of the existence of the magnetoelectric response decreases. Thus, an increase in the substitution x suppresses the magnetoelectric effect in this series of compounds. The measurement results also indirectly indicate the prolongation of the Pa state and, consequently, of the magnetic state with a cycloid lying in the ab-plane by an external electric field Ea.

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Публикация на русском языке Прямой и обратный магнитоэлектрический эффект в орторомбических монокристаллах Dy1-xHoxMnO3 [Текст] / А. Л. Фрейдман, И. Н. Хороший, М. И. Колков, К. Ю. Терентьев // Физ. тверд. тела. - 2021. - Т. 63 Вып. 12. - С. 2119-2125

Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB, Russian Academy of Sciences, Krasnoyarsk, Russia
Siberian Federal University, Krasnoyarsk, Russia

Доп.точки доступа:
Freydman, A. L.; Фрейдман, Александр Леонидович; Horoshiy, I. N.; Kolkov, M. I.; Колков, Максим Игоревич; Terent'ev, K. Yu.; Терентьев, Константин Юрьевич
}
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12.

    Dynamics of structural and magnetic phase transitions in ferroborate YFe3(BO3)4 / K. V. Frolov [et al.] // J. Alloys Compd. - 2018. - Vol. 748. - P. 989-994, DOI 10.1016/j.jallcom.2018.03.243. - Cited References: 58. - We thank Dr. A.P. Dudka for help in the low temperature XRD measurements and Dr. D.Yu. Chernyshov for help in the synchrotron XRD measurements. This study was supported by the Federal Agency of Scientific Organizations (Agreement No 007-ГЗ/Ч3363/26 ) in parts of energy-dispersive X-ray microanalysis, high-temperature XRD, and Mossbauer measurements, by the Russian Foundation for Basic Research (project #17-02-00766а ) in parts of low-temperature XRD and Mossbauer measurements, Russian Ministry of Education and Science and performed using the equipment of the Shared Research Center of the Shubnikov Institute of Crystallography of FSRC “Crystallography and Photonics” RAS. . - ISSN 0925-8388
   Перевод заглавия: Динамика структурных и магнитных фазовых переходов в ферроборате YFe3(BO3)4
Кл.слова (ненормированные):
Multiferroics -- Rare-earth compounds -- X-ray diffraction -- Mossbauer spectroscopy -- Crystal structure
Аннотация: X-ray analysis of the YFe3(BO3)4 single crystal revealed different behavior of parameters of the crystal cell with an increase in temperature from 25 to 500 K. The parameters a and b initially increase monotonically and then rise sharply in the range between 360 and 380 K, which corresponds to the structural phase transition. The parameter c initially decreases linearly upon heating and then begins to increase, passing through a minimum at 90 K. In the interval of 200–500 K the parameter c grows linearly and does not undergo anomalies at the structural phase transition. The results of Mössbauer measurements at 57Fe nuclei in the paramagnetic phase of YFe3(BO3)4 correlate well with the XRD data, but they do not separate the two structural states of iron ions Fe1 and Fe2 arising in the P3121 phase during the structural phase transition. The temperature of the magnetic phase transition TN = 39.42(16) K is established, below which the iron ions form a 3D magnetic order of the Heisenberg type. The calculated “Mössbauer” Debye temperature ΘM = 340(2) K turned out to be three times lower than the Debye temperature of the entire crystal lattice TD = 1020 K. Mössbauer data indicate a weak bonding between the helicoidal chains of iron and the rest of the crystal lattice.
Рентгеновский анализ монокристалла YFe3(bo3-серии)4 выявил различие в поведении параметров кристаллической ячейки с увеличением температуры от 25 до 500 к. Параметры a и b сначала монотонно возрастают, а затем резко поднимется в диапазон между 360 и 380 К, что соответствует структурному фазовому переходу. Параметр c сначала линейно уменьшается при нагревании, а затем начинает возрастать, проходя через минимум при 90 K. В интервале 200-500 K параметр c растет линейно и не претерпевает аномалий при структурном фазовом переходе. Результаты Мёсбауэровской спектроскопии ядер 57Fe в парамагнитной фазе в YFe3(BO3)4 коррелируют с РСА, но они не разделяют двух структурных состояний ионов железа Fe1 и Fe2, возникающие в фазе P3121 в процессе структурного перехода. Установили температуру магнитного фазового перехода TN= 39.42(16) К, в результате которого ионы железа образуют 3D магнитный порядок типа Гейзенберга. Рассчитанная по Мёссбауэру Дебаевская температура QM= 340(2) K оказалась в три раза ниже температуры Дебая внутри кристаллической решетки TD= 1020 K. Данные Мёсбауэра указывают на слабую связь между геликоидальными цепочками железной и остальных кристаллических решеток.

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Держатели документа:
Shubnikov Institute of Crystallography of FSRC “Crystallography and Photonics” RAS, Moscow, Russian Federation
Kirensky Institute of Physics, Siberian Branch of Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Frolov, K. V.; Lyubutin, I. S.; Alekseeva, O. A.; Smirnova, E. S.; Verin, I. A.; Temerov, V. L.; Темеров, Владислав Леонидович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Artemov, V. V.; Dmitrieva, T. V.
}
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13.

    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

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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)
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14.

    Effects of the Interaction between R and Fe Modes of the Magnetic Resonance in RFe3(BO3)(4) Rare-Earth Iron Borates / A. M. Kuz'menko [et al.] // JETP Letters. - 2011. - Vol. 94, Is. 4. - P. 294-300, DOI 10.1134/S0021364011160119. - Cited References: 27. - We are grateful to A. S. Prokhorov for discussion of this work and valuable comments. This work was supported by the Russian Foundation for Basic Research, project nos. 10-02-00846 and 09-02-01355, and the Ministry of Education and Science of the Russian Federation, project no. 16.518.11.7034. . - ISSN 0021-3640
Рубрики:
MULTIFERROICS
   GDFE3(BO3)(4)
   FERROELECTRICITY
Аннотация: Resonance modes that are due to magnetic excitations in the exchange-coupled subsystems of rare-earth ions (R = Nd3+, Sm3+, and Gd3+) and Fe3+ ions have been detected in submillimeter transmission spectra (0.1-0.6 THz) of RFe3(BO3)(4) iron borate-multiferroic single crystals. The strong interaction between spin oscillations of the Fe and R subsystems has been revealed, which determines the behavior of the modes depending on the anisotropy of the exchange splitting of the ground doublet of the R ion. It has been shown that the intensities of coupled modes (contributions to the magnetic permeability) depend strongly on the difference between the g factors of Fe and R ions. This dependence makes it possible to determine the sign of the latter g factor. In particular, a noticeable intensity of exchange Nd modes in NdFe3(BO3)(4) is due to an increase in their contribution at g(perpendicular to,parallel to)(Nd) 0, while in GdFe3(BO3)(4) with g(Gd) approximate to g(Fe) approximate to 2, the Fe and Gd contributions compensate each other and the exchange (Gd) mode is not observed. In spite of the weak interaction of Sm ions with the magnetic field, SmFe3(BO3)(4) exhibits resonance modes, which are attributed to the excitation of Sm ions through the Fe subsystem. DOI: 10.1134/S0021364011160119

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Публикация на русском языке Эффекты взаимодействия R- и Fe-мод магнитного резонанса в редкоземельных ферроборатах RFe3(BO3) 4 [Текст] / А. М. Кузьменко [и др.] // Письма в "Журн. эксперим. и теор. физ.". - 2011. - Т. 94 Вып. 3-4. - С. 318-324

Держатели документа:
[Kuz'menko, A. M.
Mukhin, A. A.
Ivanov, V. Yu.] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 119991, Russia
[Kadomtseva, A. M.] Moscow MV Lomonosov State Univ, Moscow 119992, Russia
[Bezmaternykh, L. N.] Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow 119991, Russian Federation
Moscow State University, Moscow 119992, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Kuz'menko, A. M.; Mukhin, A. A.; Ivanov, V. Y.; Kadomtseva, A. M.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
}
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15.

Elastic, magnetoelastic, magnetopiezoelectric, and magnetodielectric characteristics of HoAl3(BO3)4 / I. V. Bilych, M. P. Kolodyazhnaya, K. R. Zhekov [et al.] // Low Temp. Phys. - 2020. - Vol. 46, Is. 9. - P. 923-931, DOI 10.1063/10.0001715. - Cited References: 23 . - ISSN 1063-777X. - ISSN 1090-6517

РУБ Physics, Applied

Кл.слова (ненормированные):
magnetoelectric effects -- piezoelectric effects -- magnetoelastic effects -- multiferroics
Аннотация: The main elastic moduli and piezoelectric modulus have been measured in holmium alumoborate single crystals. The renormalization of the permittivity, piezoresponse, and sound velocities, driven by the nematic-like paramagnetic phase in the sample, is considered. A significant variability of the results is detected, which is caused, presumably, by the fact that, under the action of external fields, the motion trajectory of the nematic-like phase’s director depends on random defects of thermoelastic origin. It is shown that above 5 K, the temperature dependences of the studied parameters are well-described using holmium ion’s known ground multiplet spectrum, formed by the interaction with the crystal field. Changes in the C44-mode velocity in the sub-Kelvin temperature range are measured.

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Публикация на русском языке Упругие, магнитоупругие, магнитопьезоэлектрические и магнитодиэлектрические характеристики HoAl3(BO3)4 [Текст] / И. В. Билыч, М. П. Колодяжная, К. Р. Жеков [и др.] // Физ. низких температур. - 2020. - Т. 46 № 9. - С. 1092-1101

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

Доп.точки доступа:
Bilych, I., V; Kolodyazhnaya, M. P.; Zhekov, K. R.; Zvyagina, G. A.; Fil, V. D.; Gudim, I. A.; Гудим, Ирина Анатольевна
}
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16.

    Electromechanical Properties and Anisotropy of Acoustic Waves Characteristics in Single Crystals YAl3(BO3)4 / P. P. Turchin [et al.] // J. Sib. Fed. Univ. Math. Phys. - 2019. - Vol. 12, Is. 6. - P. 756-771 ; Журн. СФУ. Матем. и физика, DOI 10.17516/1997-1397-2019-12-6-756-771. - Cited References: 29 . - ISSN 1997-1397. - ISSN 2313-6022
   Перевод заглавия: Электромеханические свойства и анизотропия характеристик акустических волн в монокристаллах YAl3(BO3)4
Кл.слова (ненормированные):
electromechanical properties -- acoustic waves -- multiferroics -- электромеханические свойства -- акустические волны -- мультиферроики
Аннотация: Velocity of bulk acoustic waves in base and rotated cuts have been measured by the ultrasonic pulse-echo method and values of CE ijkl and eijk in single crystals YAl3(BO3)4 have been calculated. The value of dijk piezoelectric modulus of these single crystals have been determined by quasistatic measurements, and εσ ij dielectric constants have been determined by the flat capacitor method. Experimental values of material constants have been applied for the study of anisotropy of acoustic waves characteristics in single crystals YAl3(BO3)4.
Эхо-импульсным ультразвуковым методом измерены скорости объемных акустических волн в базовых и повернутых срезах и рассчитаны значения CE ijkl и eijk в монокристаллах YAl3(BO3)4. Величины пьезомодулей dijk этих монокристаллов определены квазистатическими измерениями, диэлектрических постоянных εσij — методом плоского конденсатора. Экспериментальные значения материальных постоянных применены для исследования анизотропии характеристик акустических волн в монокристаллах YAl3(BO3)4.

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Держатели документа:
Institute of Engineering Physics and Radioelectronics Siberian Federal University Svobodny, 79, Krasnoyarsk, 660041 Russia
Kirensky Institute of Physics Federal Research Center KSC SB RAS Akademgorodok, 50/38, Krasnoyarsk, 660036 Russia

Доп.точки доступа:
Turchin, P. P.; Турчин, Павел Петрович; Burkov, S. I.; Turchin, V. I.; Yurkevich, S. V.; Sukhodaev, P. O.; Raikova, I. S.

}
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17.

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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18.

Features of magnetic, magnetoelectric and magnetoelastic properties of HoAl3(BO3)4 / A. I. Begunov [et al.] // Solid State Phenom. : Selected, peer reviewed papers. - 2014. - Vol. 215: Trends in Magnetism: Nanomagnetism (EASTMAG-2013). - P. 352-357, DOI 10.4028/www.scientific.net/SSP.215.352. - Cited References: 12 . - ISSN 978-30383. - ISSN 1662-9779
Кл.слова (ненормированные):
Magnetoelectric polarization -- Magnetostriction -- Multiferroics
Аннотация: The main features of the magnetic, magnetoelastic and record magnetoelectric properties of a HoAl3(BO3)4 alumoborate single crystal have been studied experimentally and theoretically. For magnetic field B||a we have observed a giant polarization ΔPba(Ba) ≈ -5240 μC/m2 induced by field of 9 T at T = 5 K. We have calculated the magnetic characteristics of HoAl3(BO3)4 in the framework of a crystal-field model. The parameters of the crystal-field in HoAl3(BO3)4 have been determined. Good agreement of experimental and calculated magnetization curves Mc,˄c(B) and temperature dependences of magnetization Mc,˄c(T) was achieved. The field and temperature dependences of the multipole moments have been calculated for interpretation of magnetostriction in HoAl3(BO3)4. © (2014) Trans Tech Publications, Switzerland.
Экспериментально и теоретически исследованы основные особенности магнитных и рекордных магнитоэлектрических свойств монокристалла алюмобората HoAl3(BO3)4. Обнаружена гигантская электрическая поляризация DPba(Ba) — –5240 мкКл/м2, индуцированная магнитным полем 9 Тл при Т = 5 К. Измеренные магнитные свойства и обнаруженные особенности проинтерпретированы в рамках единого теоретического подхода, который базируется на приближении молекулярного поля и расчетах в модели кристаллического поля для редкоземельного иона. Описаны экспериментальные температурные от 3 до 300 К и полевые до 9 Тл зависимости намагниченности. При интерпретации экспериментальных данных определены параметры кристаллического поля тригональной симметрии для иона Ho3+ в HoAl3(BO3)4.

Доп.точки доступа:
Ovchinnikov, S. G. \ed.\; Овчинников, Сергей Геннадьевич; Samardak, A. \ed.\; Begunov, A. I.; Demidov, A. A.; Gudim, I. A.; Гудим, Ирина Анатольевна; Eremin, E. V.; Еремин, Евгений Владимирович; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; sept. ; 15-21 ; Vladivostok)
}
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19.

Giant magnetoelectric effect in HoAl3(BO3)(4) / K. C. Liang [et al.] // Phys. Rev. B. - 2011. - Vol. 83, Is. 18. - Ст. 180417, DOI 10.1103/PhysRevB.83.180417. - Cited References: 29. - This work was supported by the DOE, the AFOSR, the T.L.L. Temple Foundation, the J.J. and R. Moores Endowment, and the State of Texas through the Texas Center for Superconductivity at the University of Houston. . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
ELECTRIC POLARIZATION
   SINGLE-CRYSTALS
   MULTIFERROICS
   FERROELECTRICITY
   GDFE3(BO3)(4)
   TEMPERATURE
   TBPO4
Аннотация: A giant magnetoelectric polarization is found in HoAl3(BO3)(4). The polarization in transverse field geometry at 70 kOe reaches 3600 mu C/m(2), which is significantly higher than reported values of linear magnetoelectric or even multiferroic compounds. The magnetostrictive effect is also measured and compared with the magnetoelectricity. The results show that spin-lattice coupling in HoAl3(BO3)(4) is extremely strong and that the magnetic field causes a large polar distortion of the ionic positions in the unit cell.

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Держатели документа:
[Liang, K. -C.
Chaudhury, R. P.
Lorenz, B.
Sun, Y. Y.
Chu, C. W.] Univ Houston, Texas Ctr Superconduct, Houston, TX 77204 USA
[Liang, K. -C.
Chaudhury, R. P.
Lorenz, B.
Sun, Y. Y.
Chu, C. W.] Univ Houston, Dept Phys, Houston, TX 77204 USA
[Bezmaternykh, L. N.
Temerov, V. L.] Russian Acad Sci, Siberian Div, Inst Phys, Krasnoyarsk 660036, Russia
[Chu, C. W.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
ИФ СО РАН
Texas Center for Superconductivity, University of Houston and Department of Physics, University of Houston, Houston, TX 77204-5002, United States
Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, United States

Доп.точки доступа:
Liang, K. C.; Chaudhury, R. P.; Lorenz, B.; Sun, Y. Y.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович; Chu, C. W.
}
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20.

Hidden magnetic instability in the substituted multiferroics (Nd, Tb)Fe3(BO3)4 / I. V. Golosovsky, A. A. Mukhin, V. Skumryev [et al.] // Phys. Rev. B. - 2024. - Vol. 109, Is. 1. - Ст. 014421, DOI 10.1103/PhysRevB.109.014421. - Cited References: 22. - The authors are grateful to Prof. B. Z. Malkin for fruitful discussions. I.V.G. acknowledges financial support from the Russian Foundation for Basic Research under Grant No. 20-02-00109. A.A.M. and V.Yu.I. acknowledge financial support of the magnetic studies and the developed model from the Russian Science Foundation under Project No. 22-42-05004 . - ISSN 2469-9950. - ISSN 2469-9969
Аннотация: In the substituted Nd1–xTbxFe3(BO3)4 (x=0.1 and x=0.2), possessing almost easy-axis magnetic structure at low temperatures, an unusual two-step transition in fields along the trigonal c axis was observed by magnetization and single-crystal neutron diffraction studies. At the first step, only part of the Tb Ising-type moments flip to the c axis, which is accompanied by a significant deviation of the antiferromagnetic Fe spins from the c axis. At the second step, the remaining Tb moments flip and the Fe moments flop into the basal plane. The observed evolution is qualitatively explained by a model assuming small deviations of Tb moments from the trigonal axis due to local environment distortions, which leads to nonequivalence of the Tb ions with respect to effective Tb-Fe exchange and external field. Thus, an intrinsic “hidden” instability of the magnetic system in the magnetic field occurs.

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Держатели документа:
National Research Center “Kurchatov Institute”, B. P. Konstantinov Petersburg Nuclear Physics Institute, 188300 Gatchina, Russia
Prokhorov General Physics Institute, RAS, 119991 Moscow, Russia
Institucio Catalana de Recerca i Estudis Avancats, E-08010 Barcelona, Spain
Universite Grenoble Alpes, CEA, IRIG, MEM, MDN, 38000 Grenoble, France
Kirenskii Institute of Physics, Siberian Division of RAS, 660038 Krasnoyarsk, Russia

Доп.точки доступа:
Golosovsky, I. V.; Mukhin, A. A.; Skumryev, V.; Ressouche, E.; Ivanov, V. Yu.; Gudim, I. A.; Гудим, Ирина Анатольевна
}
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