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Babkin, E. V.
Magnetoelectric effect in ferromanganese spinels / E. V. Babkin, E. S. Mushailov, V. G. Pynko // Zhurnal Tek. Fiz. - 1982. - Vol. 52, Is. 11. - P. 2285-2286. - Cited References: 6 . - ISSN 0044-4642

РУБ Physics, Applied

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Доп.точки доступа:
Mushailov, E.S.; Pynko, V. G.; Пынько, Виталий Григорьевич
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Influence of the transport current on the magnetoelectric properties of La0.7Pb0.3MnO3 single crystals with giant magnetoresistance in the microwave region / N. V. Volkov [et al.] // Phys. Solid State. - 1999. - Vol. 41, Is. 11. - P. 1842-1849, DOI 10.1134/1.1131111. - Cited References: 11 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:

Аннотация: The results of experiment on the influence of a direct current and a low-frequency alternating current, as well as a magnetic field, on the microwave-range conductivity sigma(MW) of Ln(0.7)Pb(0.3)MnO(3) single crystals with giant magnetoresistance are presented. The greatest sensitivity of the samples toward the effects of a current is observed in the temperature range corresponding to the dc magnetoresistance maximum. The response signal of a sample in the microwave range to the effects of an alternating current of a low frequency f(0) has a nonlinear character. As f(0) is varied in a magnetic field, the amplitude of the response signal varies with the appearance of resonance peaks. The results obtained are interpreted within an approach based on the coexistence of two phases having different conductivities in the doped manganite crystals. This two-phase interpretation is supported by data from magnetic-resonance investigations, which demonstrate the existence of two magnetic phases over a broad temperature range in Ln(0.7)Pb(0.3)MnO(3) single crystals. (C) 1999 American Institute of Physics. [S1063-7834(99)02111-5].

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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Sablina, K. A.; Саблина, Клара Александровна; Koval', S. V.
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Magnetoelectric effects in gadolinium iron borate GdFe3(BO3)(4) / A. K. Zvezdin [et al.] // JETP Letters. - 2005. - Vol. 81, Is. 6. - P. 272-276, DOI 10.1134/1.1931014. - Cited References: 23 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
OPTICAL SPECTROSCOPY
   TRANSITIONS
   POLARIZATION
   PHASE
Аннотация: Magnetoelectric interactions have been investigated in a single crystal of gadolinium iron borate GdFe3(BO3)(4), whose macroscopic symmetry is characterized by the crystal class 32. Using the results of this study, the interplay of magnetic and electric orderings occurring in the system has been experimentally revealed and theoretically substantiated. The electric polarization and magnetostriction of this material that arise in spin-reorientation transitions induced by a magnetic field have been investigated experimentally. For H parallel to c and H perpendicular to c, H-T phase diagrams have been constructed, and a strict correlation between the changes in the magnetoelectric and magnetoelastic properties in the observed phase transitions has been ascertained. A mechanism of specific noncollinear antiferroelectric ordering at the structural phase transition point was proposed to interpret the magnetoelectric behavior of the system within the framework of the symmetry approach in the entire temperature range. This ordering provides the conservation of the crystal class of the system when the temperature decreases to the antiferroelectric ordering point. The expressions that have been obtained for the magnetoelectric and magnetoelastic energy describe reasonably well the behavior of gadolinium iron borate observed experimentally. (C) 2005 Pleiades Publishing, Inc.

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Держатели документа:
Moscow MV Lomonosov State Univ, Moscow 119992, Russia
Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siverian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Moscow State University, Vorob'evy gory, Moscow, 119992, Russian Federation
Institute of General Physics, Russian Academy of Sciences, Moscow, 119991, Russian Federation
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Akademgorodok, 660036, Russian Federation

Доп.точки доступа:
Zvezdin, A. K.; Krotov, S. S.; Kadomtseva, A. M.; Vorob'ev, G. P.; Popov, Y. F.; Pyatakov, A. P.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Popova, E. A.
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Investigation of the anomalies of the magnetoelectric and magnetoelastic properties of single crystals of the ferroborate GdFe3(BO3)(4) at phase transitions / A. M. Kadomtseva [et al.] // Low Temp. Phys. - 2005. - Vol. 31, Is. 8-9. - P. 807-813 ; Физика низких температур, DOI 10.1063/1.2008142. - Cited References: 14 . - ISSN 1063-777X

РУБ Physics, Applied
Рубрики:
IRON BORATE GDFE3(BO3)(4)
OPTICAL SPECTROSCOPY
Аннотация: The transformation of various properties of gadolinium ferroborate single crystals at phase transitions, both spontaneous and induced by magnetic fields up to 200 kOe, is investigated theoretically and experimentally. Particular attention is paid to elucidating the role of magnetoelectric interactions and the change in them at spin-reorientation transitions accompanied by a change of magnetic symmetry. With that goal the magnetoelastic and magnetoelectric properties of the system are investigated over a wide range of temperatures for two orientations of the magnetic field, H parallel to c and H perpendicular to c, and a fundamental difference of the character of the field dependences of the magnetostriction and electric polarization is found. In the framework of a symmetry approach a description of the magnetic structures and their transformations in the system GdFe3(BO3)(4) is proposed, and an interpretation of the experimentally observed properties is given. (C) 2005 American Institute of Physics.

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Держатели документа:
Moscow MV Lomonosov State Univ, Moscow 119992, Russia
Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia
Russian Acad Sci, LV Kirensky Inst Gen Phys, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
M. V. Lomonosov Moscow State University, Vorob'evy gory, Moscow 119992, Russian Federation
Institute of General Physics, Russian Academy of Sciences, Moscow 119991, Russian Federation
L. V. Kirensky Institute of General Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Kadomtseva, A. M.; Popov, Y. F.; Krotov, S. S.; Vorob'ev, G. P.; Popova, E. A.; Zvezdin, A. K.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич

}
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Magnetoelectric and magnetoelastic interactions in NdFe3(BO3)(4) multiferroics / A. K. Zvezdin [et al.] // JETP Letters. - 2006. - Vol. 83, Is. 11. - P. 509-514, DOI 10.1134/S0021364006110099. - Cited References: 9. - We are grateful to M.N. Popova and A.N. Vasil’ev for their constant interest in this work. This work was supported by the Russian Foundation for Basic Research (project nos. 04-02-16592-a, 05-02-16997-a, and 04-02-81046-Bel2004-a) and in part by the “Dynasty” Foundation. A.P.P. acknowledges the support of the Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools (project no. MK-3764.2005). . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
GDFE3(BO3)(4)
Аннотация: Complex experimental and theoretical investigations of the magnetic, magnetoelectric, and magnetoelastic properties of neodymium iron borate NdFe3(BO3)(4) along various crystallographic directions have been carried out in strong pulsed magnetic fields up to 230 kOe in a temperature range of 4.2-50 K. It has been found that neodymium iron borate, as well as gadolinium iron borate, is a multiferroic. It has a much larger (above 300 mu C/m(2)) electric polarization controlled by the magnetic field and giant quadratic magnetoelectric effect. The exchange field between the rare-earth and iron subsystems (similar to 50 kOe) has been determined for the first time from experimental data. The theoretical analysis based on the magnetic symmetry and quantum properties of the Nd ion in the crystal provides an explanation of the unusual behavior of the magnetoelectric and magnetoelastic properties of neodymium iron borate in strong magnetic fields and correlation observed between them.

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Публикация на русском языке Магнитоэлектрические и магнитоупругие взаимодействия в мультиферроиках NdFe3(BO3)4 [Текст] / А. К. Звездин, Г. П. Воробьев, А. М. Кадомцева [и др.] // Письма в ЖЭТФ. - 2006. - Т. 83 Вып. 11. - С. 600-605

Держатели документа:
Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia
Moscow MV Lomonosov State Univ, Moscow 119992, Russia
Russian Acad Sci, Kirenskii Inst Phys, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Institute of General Physics, Russian Academy of Sciences, Moscow, 119991, Russian Federation
Moscow State University, Moscow, 119992, Russian Federation
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Zvezdin, A. K.; Vorob'ev, G. P.; Kadomtseva, A. M.; Popov, Y. F.; Pyatakov, A. P.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Kuvardin, A. V.; Popova, E. A.
}
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Magnetoelectric interactions in rare-earth ferroborates / A. M. Kadomtseva [et al.] // J. Exp. Theor. Phys. - 2007. - Vol. 105, Is. 1. - P. 116-119, DOI 10.1134/S1063776107070254. - Cited References: 14 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
GDFE3(BO3)(4)
Кл.слова (ненормированные):
Gadolinium compounds -- Magnetoelectric effects -- Phase transitions -- Polarization -- Single crystals -- Magnetic control -- Magnetoelectric interactions -- Rare earth ferroborates -- Torque curves -- Rare earths
Аннотация: Magnetic-field-induced phase transitions in single crystals of the rare-earth ferroborates GdFe3(BO3)(4) and NdFe3(BO3)(4) have been studied by measuring magnetoelectric dependences and torque curves. These phase transitions can serve as one of the possible mechanisms for magnetic control of electric polarization. Magnetic phase transitions in GdFe3(BO3)(4) are analyzed theoretically.

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Держатели документа:
Moscow MV Lomonosov State Univ, Moscow 119992, Russia
Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Moscow State University, Moscow 119992, Russian Federation
Institute of General Physics, Russian Academy of Sciences, ul. Vavilova 38, Moscow 119991, Russian Federation
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Kadomtseva, A. M.; Zvezdin, A. K.; Pyatakov, A. P.; Kuvardin, A. V.; Vorob'ev, G. P.; Popov, Y. F.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
}
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Magnetic, structural, and dielectric properties of CuB(2)O(4) / G. . Nenert [et al.] // Phys. Rev. B. - 2007. - Vol. 76, Is. 14. - Ст. 144401, DOI 10.1103/PhysRevB.76.144401. - Cited References: 30 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
WEAK FERROMAGNETISM
   COPPER METABORATE
   MAGNETOELECTRIC PHENOMENA
   BAMNF4
   CR2O3
   ANTIFERROMAGNETICS
   CONSTANT
Аннотация: We have studied the magnetic, structural, and dielectric properties of a single crystal of CuB(2)O(4). We show that both reported magnetic transitions are observable in the magnetization, irrespective of the measured direction of the crystal. This is in agreement with recent neutron data. More importantly, our study demonstrates the absence of dielectric anomalies at the various magnetic transitions despite the reported magnetoelectric symmetry. This demonstrates that the polarization remains zero at any temperature. Consequently, we interpret our data as the evidence for a very weak or the absence of linear magnetoelectric coupling in this material.

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Держатели документа:
[Nenert, G.
Palstra, T. T. M.] Univ Groningen, Zernike Inst Adv Mat, Solid State Chem Lab, NL-9747 AG Groningen, Netherlands
[Bezmaternykh, L. N.] LV Kirenskii Inst Phys, Siberian Branch RAS, Krasnoyarsk 660036, Russia
[Vasiliev, A. N.] Moscow MV Lomonosov State Univ, Loe Temp Phys Dept, Moscow 119991, Russia
ИФ СО РАН
Solid State Chemistry Laboratory, Zernike Institute for Advanced Materials, University of Groningen, Nijenborg 4, 9747 AG Groningen, Netherlands
L. V. Kirensky Institute of Physics, Siberian Branch of RAS, Krasnoyarsk 660036, Russian Federation
Low Temperature Physics Department, Moscow State University, Moscow 119991, Russian Federation
CEA-Grenoble DRFMC/SPSMS/MDN, 17 rue des Martyrs, 38054 Grenoble Cedex, France

Доп.точки доступа:
Nenert, G.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Vasiliev, A. N.; Palstra, TTM
}
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Influence of the ground state of the Pr3+ ion on magnetic and magnetoelectric properties of the PrFe3(BO3)(4) multiferroic / A. M. Kadomtseva [et al.] // JETP Letters. - 2008. - Vol. 87, Is. 1. - P. 39-44, DOI 10.1134/S0021364008010104. - Cited References: 8 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary

Аннотация: The magnetic, magnetoelectric, and magnetoelastic properties of a PrFe3(BO3)(4) single crystal and the phase transitions induced in this crystal by the magnetic field are studied both experimentally and theoretically. Unlike the previously investigated ferroborates, this material is characterized by a singlet ground state of the rare-earth ion. It is found that, below T-N = 32 K, the magnetic structure of the crystal in the absence of the magnetic field is uniaxial (I parallel to c), while, in a strong magnetic field H parallel to c (H-cr similar to 43 kOe at T = 4.2 K), a Fe3+ spin reorientation to the basal plane takes place. The reorientation is accompanied by anomalies in magnetization, magnetostriction, and electric polarization. The threshold field values determined in the temperature interval 2-32 K are used to plot an H-T phase diagram. The contribution of the Pr3+ ion ground state to the parameters under study is revealed, and the influence of the praseodymium ion on the magnetic and magnetoelectric properties of praseodymium ferroborate is analyzed.

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Публикация на русском языке Влияние синглетного основного состояния иона Pr3+ на магнитные и магнитоэлектрические свойства мультиферроика PrFe3(BO3)4 [Текст] / А. М. Кадомцева, Ю. Ф. Попов [и др.] // Письма в "Журн. эксперим. и теор. физ.". - 2008. - T. 87 Вып. 1. - С. 45-50

Держатели документа:
[Kadomtseva, A. M.
Popov, Yu. F.
Vorob'ev, G. P.] Moscow MV Lomonosov State Univ, Moscow 119992, Russia
[Mukhin, A. A.
Ivanov, V. Yu.
Kuz'menko, A. A.] Russian Acad Sci, Prokhorov Inst Gen Phys, Moscow 119991, Russia
[Bezmaternykh, L. N.] Russian Acad Sci, Siberian Branch, Inst Phys, Krasnoyarsk 660038, Russia
ИФ СО РАН

Доп.точки доступа:
Kadomtseva, A. M.; Popov, Y. F.; Vorob'ev, G. P.; Mukhin, A. A.; Ivanov, V. Y.; Kuz'menko, A. A.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
}
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Magnetoelectric effect and spontaneous polarization in HoFe3(BO3)(4) and Ho0.5Nd0.5Fe3(BO3)(4) / R. P. Chaudhury [et al.] // Phys. Rev. B. - 2009. - Vol. 80, Is. 10. - Ст. 104424, DOI 10.1103/PhysRevB.80.104424. - Cited References: 35. - This work is supported in part by NSF Grant No. DMR9804325, the T. L. L. Temple Foundation, the J.J. and R. Moores Endowment, and the State of Texas through the TC-SUH and at LBNL by the DoE. . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
IRON BORATE GDFE3(BO3)(4)
   PHASE-TRANSITIONS
   NDFE3(BO3)(4)
   MULTIFERROICS
Аннотация: The thermodynamic, magnetic, dielectric, and magnetoelectric properties of HoFe3(BO3)(4) and Ho0.5Nd0.5Fe3(BO3)(4) are investigated. Both compounds show a second order Neel transition above 30 K and a first-order spin reorientation transition below 10 K. HoFe3(BO3)(4) develops a spontaneous electrical polarization below the Neel temperature (T-N) which is diminished in external magnetic fields. No magnetic-field induced increase of the polarization could be observed in HoFe3(BO3)(4). In contrast, the solid solution Ho0.5Nd0.5Fe3(BO3)(4) exhibits both, a spontaneous polarization below T-N and a positive magnetoelectric effect at higher fields that extends to high temperatures. The superposition of spontaneous polarization, induced by the internal magnetic field in the ordered state, and the magnetoelectric polarizations due to the external field results in a complex behavior of the total polarization measured as a function of temperature and field.

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Держатели документа:
[Chaudhury, R. P.
Lorenz, B.
Sun, Y. Y.
Chu, C. W.] Univ Houston, TCSUH, Houston, TX 77204 USA
[Chaudhury, R. P.
Lorenz, B.
Sun, Y. Y.
Chu, C. W.] Univ Houston, Dept Phys, Houston, TX 77204 USA
[Yen, F.] SW Jiaotong Univ, Appl Superconduct Lab, Chengdu 610031, Sichuan, Peoples R China
[Bezmaternykh, L. N.
Temerov, V. L.] Russian Acad Sci, Inst Phys, Siberian Div, Krasnoyarsk 660036, Russia
[Chu, C. W.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[Chu, C. W.] Hong Kong Univ Sci & Technol, Hong Kong, Hong Kong, Peoples R China
ИФ СО РАН
TCSUH, Department of Physics, University of Houston, Houston, TX 77204-5002, United States
Applied Superconductivity Laboratory, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
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
Hong Kong University of Science and Technology, Hong Kong, Hong Kong

Доп.точки доступа:
Chaudhury, R. P.; Yen, F.; Lorenz, B.; Sun, Y. Y.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович; Chu, C. W.; NSF [DMR9804325]; Temple Foundation; State of Texas through the TC-SUH; DoE
}
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10.

Magnetic anisotropy and magnetoelectric properties of Tb1-x Er (x) Fe-3(BO3)(4) ferroborates / A. K. Zvezdin [et al.] // J. Exp. Theor. Phys. - 2009. - Vol. 109, Is. 1. - P. 68-73, DOI 10.1134/S1063776109070097. - Cited References: 18. - This study was supported by the Russian Foundation for Basic Research (project no. 07-02-00580). . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
GDFE3(BO3)(4)
Кл.слова (ненормированные):
Competing exchange -- Complex compositions -- Critical fields -- Electric polarization -- Er concentrations -- Exchange splitting -- Ferroborates -- G factors -- Magnetoelectric properties -- Nonmonotonic -- Simple model -- Spin-flop transitions -- Composite micromechanics -- Erbium -- Ions -- Magnetic anisotropy -- Magnetostriction -- Magnetostrictive devices -- Phase transitions -- Polarization -- Spin dynamics -- Terbium alloys -- Single crystals
Аннотация: Magnetic and magnetoelectric properties of ferroborate single crystals with complex composition (Tb1 - x Er (x) Fe-3(BO3)(4), x = 0, 0.75) and with competing exchange Tb-Fe and Er-Fe interactions are investigated. Jumps in electric polarization, magnetostriction, and magnetization are observed as a result of spin-flop transitions, as well as a considerable decrease in the critical field upon an increase in the Er concentration, in a field H (c) parallel to the c axis. The observed behavior of phase-transition fields is analyzed and explained using a simple model taking into account anisotropy in g factors and exchange splitting of funda-mental doublets of the easy-axis Tb3+ ion and easy-plane Er3+ ion. It is established that magnetoelectric and magnetostriction anomalies under spin-flop transitions are mainly controlled by the Tb subsystem. The Tb subsystem makes a nonmonotonic contribution Delta P (a) (H (a) , T) to polarization along the a axis: the value of Delta P (a) reverses its sign and increases with temperature due to the contribution from the excited states of the Tb3+ ion.

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Держатели документа:
[Zvezdin, A. K.
Pyatakov, A. P.
Ivanov, V. Yu.
Kuz'menko, A. M.
Mukhin, A. A.] Russian Acad Sci, Prokhorov Inst Gen Phys, Moscow 119991, Russia
[Kadomtseva, A. M.
Popov, Yu. F.
Vorob'ev, G. P.
Pyatakov, A. P.] Moscow MV Lomonosov State Univ, Moscow 119992, Russia
[Bezmaternykh, L. N.
Gudim, I. A.] Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660038, Russia
ИФ СО РАН
Moscow State University, Moscow 119992, Russian Federation
Prokhorov Institute of General Physics, Russian Academy of Sciences, Moscow 119991, Russian Federation
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk 660038, Russian Federation

Доп.точки доступа:
Zvezdin, A. K.; Kadomtseva, A. M.; Popov, Y. F.; Vorob'ev, G. P.; Pyatakov, A. P.; Ivanov, V. Y.; Kuz'menko, A. M.; Mukhin, A. A.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Russian Foundation for Basic Research [07-02-00580]
}
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11.

Magnetoelectric effect in MnGeO3 anti ferromagnet [Text] / N. N. Volkov, E. V. Eremin [et al.] // IV Euro-Asian Symposium "Trends in MAGnetism" Nanospintronics (EASTMAG-2010). School for young scientist "Spintronics" : June 28 - Lule 2, 2010"Book of abstracts. - Ekaterinburg, 2010. - P. 74

РИНЦ

Доп.точки доступа:
Volkov, N.N.; Eremin, E.V.; Sablina, K.A.; Sapronova, N.V.; Euro-Asian Symposium "Trends in MAGnetism"(4 ; 2010 ; Jun.-Jul. ; Ekaterinburg); "Trends in MAGnetism", Euro-Asian Symposium(4 ; 2010 ; Jun.-Jul. ; Ekaterinburg); Уральское отделение РАН
}
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12.

Peculiarities in the magnetic, magnetoelectric, and magnetoelastic properties of SmFe3(BO3)(4) multiferroic / Y. F. Popov [et al.] // J. Exp. Theor. Phys. - 2010. - Vol. 111, Is. 2. - P. 199-203, DOI 10.1134/S1063776110080066. - Cited References: 14. - This study was supported in part by the Russian Foundation for Basic Research (project no. 10-02-00846-a). . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
GDFE3(BO3)(4)
Кл.слова (ненормированные):
External magnetic field -- Field dependence -- Field directions -- G factors -- Induced polarization -- Iron borate -- Magnetoelastic properties -- Multiferroics -- Samarium-ion -- Samarium-iron -- Temperature dependence -- Magnetic fields -- Magnetic susceptibility -- Magnetostriction -- Polarization -- Samarium -- Single crystals -- Samarium compounds
Аннотация: Results of a complex investigation of the magnetic, magnetoelectric, and magnetoelastic properties of a SmFe3(BO3)(4) single crystal are presented. Samarium iron borate is similar to another easy-plane iron borate, NdFe3(BO3)(4), in that it possesses a large value of the magnetic-field-induced polarization (about 500 mu C/m(2)), the sign of which changes when the field direction is changed between axes a and b of the crystal. However, the temperature dependence of the magnetic susceptibility and the field dependence of polarization and magnetostriction of the two compounds are significantly different, which is explained by the weak effect of external magnetic field on the ground-state multiplet of samarium ion, which is characterized by an extremely small value of its g-factor.

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Держатели документа:
[Popov, Yu. F.
Pyatakov, A. P.
Kadomtseva, A. M.
Vorob'ev, G. P.] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119991, Russia
[Pyatakov, A. P.
Zvezdin, A. K.
Mukhin, A. A.
Ivanov, V. Yu.] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 119991, Russia
[Gudim, I. A.] Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Department of Physics, Moscow State University, Moscow 119991, Russian Federation
Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow 119991, Russian Federation
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Popov, Y. F.; Pyatakov, A. P.; Kadomtseva, A. M.; Vorob'ev, G. P.; Zvezdin, A. K.; Mukhin, A. A.; Ivanov, V. Y.; Gudim, I. A.; Гудим, Ирина Анатольевна
}
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13.

Single magnetic chirality in the magnetoelectric NdFe3((BO3)-B-11)(4) / M. . Janoschek [et al.] // Phys. Rev. B. - 2010. - Vol. 81, Is. 9. - Ст. 94429, DOI 10.1103/PhysRevB.81.094429. - Cited References: 55 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
NEUTRON-DIFFRACTION
   PHASE-TRANSITIONS
   SLOW-NEUTRONS
   CRYSTAL
   NDFE3(BO3)(4)
   EXTINCTION
   NUCLEAR
   ORDER
   MNSI
   ANTIFERROMAGNETS
Аннотация: We have performed an extensive study of single crystals of the magnetoelectric NdFe3 ((BO3)-B-11)(4) by means of a combination of single-crystal neutron diffraction and spherical neutron polarimetry. Our investigation did not detect significant deviations at low temperatures from space group R32 concerning the chemical structure. With respect to magnetic ordering our combined results demonstrate that in the commensurate magnetic phase below T-N approximate to 30 K all three magnetic Fe moments and the magnetic Nd moment are aligned ferromagnetically in the basal hexagonal plane but align antiferromagnetically between adjacent planes. The phase transition to the low-temperature incommensurate (IC) magnetic structure observed at T-IC approximate to 13.5 K appears to be continuous. By means of polarized neutron studies it could be shown that in the incommensurate magnetic phase the magnetic structure of NdFe3((BO3)-B-11)(4) is transformed into a long-period antiferromagnetic helix with single chirality. Close to the commensurate-incommensurate phase transition third-order harmonics were observed, which in addition indicate the formation of magnetic solitons.

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Держатели документа:
[Janoschek, M.
Fischer, P.
Schefer, J.
Roessli, B.
Pomjakushin, V.] Paul Scherrer Inst, Neutron Scattering Lab, CH-5232 Villigen, Switzerland
[Janoschek, M.
Fischer, P.
Schefer, J.
Roessli, B.
Pomjakushin, V.] ETH, CH-5232 Villigen, Switzerland
[Janoschek, M.] Tech Univ Munich, Phys Dept E21, D-85748 Garching, Germany
[Meven, M.] Tech Univ Munich, Forsch Neutronenquelle Heinz Maier Leibnitz FRM 2, D-85748 Garching, Germany
[Petricek, V.] ASCR, Vvi, Inst Phys, Prague 18221 8, Czech Republic
[Petrakovskii, G.
Bezmaternikh, L.] RAS, SB, Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Laboratory for Neutron Scattering, Paul Scherrer Institut and ETH Zurich, CH-5232 Villigen PSI, Switzerland
Physik Department E21, Technische Universitat Munchen, D-85748 Garching, Germany
Department of Physics, University of California, San Diego, San Diego, CA 92093-0354, United States
Forschungsneutronenquelle Heinz Maier-Leibnitz (FRM II), Technische Universitat Munchen, D-85748 Garching, Germany
Institute of Physics, ASCR, V.v.i, Na Slovance 2, 182 21 Praha 8, Czech Republic
Institute of Physics, SB RAS, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Janoschek, M.; Fischer, P.; Schefer, J.; Roessli, B.; Pomjakushin, V.; Meven, M.; Petricek, V.; Petrakovskii, G. A.; Петраковский, Герман Антонович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
}
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14.

Magnetic phase diagram and magnetoelectric properties of Ho0.25Nd0.75Fe3(BO3)(4) / R. P. Chaudhury [et al.] // J. Appl. Phys. - 2010. - Vol. 107: 11th Joint MMM-Intermag Conference (JAN 18-22, 2010, Washington, DC), Is. 9. - Ст. 09D913, DOI 10.1063/1.3362915. - Cited References: 7 . - ISSN 0021-8979

РУБ Physics, Applied
Рубрики:
MULTIFERROICS
Аннотация: The magnetic and magnetoelectric properties of a single crystal of Ho0.25Nd0.75Fe3(BO3)(4) have been investigated along the main crystallographic directions. The spontaneous polarization starts increasing below the Neel temperature T-N similar to 32 K and it displays a sudden drop at 4.8 K. This sharp decrease suggests the existence of a spin reorientation phase transition. In this compound, both spontaneous polarization and the polarization due to the magnetoelectric effect exist. Detailed study of the effect of magnetic field on the polarization and the spin rotation transition has been performed. Specific heat and magnetization measurements show characteristic anomalies at both magnetic transitions. The magnetic field (H)-temperature phase diagram has completely been resolved for H parallel to c and H parallel to a axes. (C) 2010 American Institute of Physics. [doi:10.1063/1.3362915]

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Держатели документа:
[Chaudhury, R. P.
Lorenz, B.
Sun, Y. Y.
Chu, C. W.] Univ Houston, Dept Phys, Houston, TX 77204 USA
[Chaudhury, R. P.
Lorenz, B.
Sun, Y. Y.
Chu, C. W.] Univ Houston, TCSUH, 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

Доп.точки доступа:
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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15.

Magnetoelectric and magnetoelastic properties of rare-earth ferroborates / A. M. Kadomtseva [et al.] // Low Temp. Phys. - 2010. - Vol. 36, Is. 6. - P. 511-521 ; Физика низких температур, DOI 10.1063/1.3457390. - Cited References: 37. - This work was performed with financial support from RFFI (grant No. 10-02-00848-a). . - ISSN 1063-777X

РУБ Physics, Applied

Аннотация: The magnetic, electric, magnetoelectric, and magnetoelastic properties of rare-earth ferroborates RFe(3)(BO(3))(4) (R=Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er) as well as yttrium ferroborate YFe(3)(BO(3))(4) have been studied comprehensively. A strong dependence not only of the magnetic but also magnetoelectric properties on the type of rare-earth ion, specifically, on its anisotropy, which determines the magnetic structure and the large contribution to the electric polarization, has been found. This is manifested in the strong temperature dependence of the polarization below the Neel point T(N) and its specific field dependence, which is determined by the competition between the external and exchange f-d fields. A close correlation has been found between the magnetoelastic properties of ferroborates and the magnetoelastic and magnetic anomalies at magnetic-field induced phase transitions. It is found that in easy-plane ferroborates, together with magnetic-field induced electric polarization spontaneous polarization also arises below the Neel point. The ferroelectric ordering in ferroborates is of extrinsic character, giving rise to strong magnetoelectric coupling below T(N). Aside from the antiferromagnetic phase transition, the particulars of the structural phase transition accompanied by anomalies of the dielectric and magnetoelectric properties are examined for the first time. The character of the dielectric anomalies at a structural transition is analyzed for the first time on the basis of Landau's approach. (c) 2010 American Institute of Physics. [doi:10.1063/1.3457390]

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Держатели документа:
[Kadomtseva, A. M.
Popov, Yu. F.
Vorob'ev, G. P.
Pyatakov, A. P.
Krotov, S. S.
Kamilov, K. I.] Moscow MV Lomonosov State Univ, Moscow 119991, Russia
[Ivanov, V. Yu.
Mukhin, A. A.
Zvezdin, A. K.
Kuz'menko, A. M.] Russian Acad Sci, AM Prokhorov Inst Phys, Moscow 119991, Russia
[Bezmaternykh, L. N.
Gudim, I. A.
Temerov, V. L.] Russian Acad Sci, LV Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
M. V. Lomonosov Moscow State University, Vorob'evy gory, Moscow 119991, Russian Federation
A. M. Prokhorov Institute of Physics of the Russian Academy of Sciences, Moscow 119991, Russian Federation
L. V. Kirenskii Inst. of Physics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Kadomtseva, A. M.; Popov, Y. F.; Vorob'ev, G. P.; Pyatakov, A. P.; Krotov, S. S.; Kamilov, K. I.; Ivanov, V. Y.; Mukhin, A. A.; Zvezdin, A. K.; Kuz'menko, A. M.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Temerov, V. L.; Темеров, Владислав Леонидович

}
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16.

Magnetic order, spontaneous polarization, and magnetoelectric effect in rare earth iron borates: Ho1−xNdxFe3(BO3)4 [Text] / B. Lorenz, R. P. Chaudhury [et al.] // Bull. Amer. Phys. Soc. - 2010. - Vol. 55, Namb. 2. - Ст. BAPS.2010.MAR.Q36.6

Материалы конференции

Доп.точки доступа:
Lorenz, B.; Chaudhury, R.P.; Sun, Y. Y.; dela Cruz, C. R.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович; Chu, C. W.; APS March Meeting(2010 ; March 15-19 ; Portland, Oregon); American Physical Society March Meeting(2010 ; March 15-19)
}
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17.

Giant Magnetoelectric Effect in НоА13(ВОЗ)4 at Low Temperatures [Text] / B. Lorenz, К.-C. Liang, R Chaudhury [и др.] // 27th Int. Conf. on Low Temperature Phys. (LT-26). - 2011. - Ст. 15a-C5-C0234

Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Lorenz, B.; Liang, К.-C.; Chaudhury, R; Sun, Y.Y.; Bezmaternykh, L.N.; Temerov, V.L.; Chu, C.W.; Institute of Physics at Chinese Academy of Sciences; International Conference on Low Temperature Physics(26 ; 2011 ; Aug. ; 1-17 ; Beijing, China)
}
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18.

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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19.

Giat magnetoelectric effect in RFe3(B03)4 mul- tiferroics / A. A. Mukhin, G. P. Vorob’ev, V. Yu. Ivanov [et al.] // Moscow Int. Symp. on Magnet. (MISM-2011) : Book of abstracts. - 2011. - Ст. 24TL-H-3. - P. 606. - Библиогр.: 2. - This work was supported by RFBR (09-02-01355) and (10-02-00846)

Материалы конференции,
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Доп.точки доступа:
Mukhin, A. A.; Vorob’ev, G. P.; Ivanov, V. Yu.; Kadomtseva, A. M.; Popov, Yu. F.; Kuzmenko, A. M.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
}
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20.

    Magnetic frustration, phase competition, and the magnetoelectric effect in NdFe3(BO3)4 / J. E. Hamann-Borrero [et al.] // Phys. Rev. Lett. - 2012. - Vol. 109, Is. 26. - Ст. 267202, DOI 10.1103/PhysRevLett.109.267202. - Cited References: 24. - The authors would like to thank C. Detlefs and J. Trinckauf for fruitful discussions. For technical support during the experiments we would like to thank H. Walker and the ESRF and BESSY for beam time provision. This work was supported by the DFG through the Emmy Noether Programme (Grant No. GE1647/2-1) and the European Community's Seventh Framework Program (FP7/2007-2013) under Grant No. 226716. . - ISSN 0031-9007
   Перевод заглавия: Магнитная фрустрация, конкуренция фаз и магнитоэлектрический эффект в NdFe3(BO3)4

РУБ Physics, Multidisciplinary
Рубрики:
X-RAY-SCATTERING
   POLARIZATION DEPENDENCE
   EXCHANGE SCATTERING
   MULTIFERROICS
   BEAMLINE
Кл.слова (ненормированные):
неодимовый ферроборат -- резонансное рассеивание рентгеновских лучей -- конкуренция фаз -- магнитное упорядочение -- магнитоэлектрическая поляризация
Аннотация: We present an element selective resonant magnetic x-ray scattering study of NdFe3(BO3)4 as a function of temperature and applied magnetic field. Our measurements show that the magnetic order of the Nd sublattice is induced by the Fe spin order. When a magnetic field is applied parallel to the hexagonal basal plane, the helicoidal spin order is suppressed and a collinear ordering, where the moments are forced to align in a direction perpendicular to the applied magnetic field, is stabilized. This result excludes a noncollinear spin order as the origin of the magnetically induced electric polarization in this compound. Instead our data imply that magnetic frustration results in a phase competition, which is the origin of the magnetoelectric response.
Мы представляем селективное по элементам исследование резонансного магнитного рассеивания рентгеновских лучей в NdFe3(BO3)4 как функцию от температуры и приложенного магнитного поля. Наши измерения показывают, что магнитный порядок в Nd подрешетке вызван упорядочением спинов Fe. Когда магнитное поле приложено параллельно шестиугольной основной плоскости, геликоидальное упорядочение спинов подавляется, и стабилизируется коллинеарный порядок, где моменты выстроены перпендикулярно к приложенному магнитному полю. Этот результат исключает неколлинеарное упорядочение спинов как источник магнитоиндуцированной электрической поляризации в этом соединении. Вместо этого наши данные подразумевают, что магнитная фрустрация приводит к конкуренции фаз, которое является источником магнитоэлектрического отклика.

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Доп.точки доступа:
Hamann-Borrero, J. E.; Partzsch, S.; Valencia, S.; Mazzoli, C.; Herrero-Martin, J.; Feyerherm, R.; Dudzik, E.; Hess, C.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Büchner, B.; Geck, J.
}
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