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Simultaneous antiferromagnetic Fe3+ and Nd3+ ordering in NdFe3((BO3)-B-11)(4) / P. . Fischer [et al.] // J. Phys.: Condens. Matter. - 2006. - Vol. 18, Is. 34. - P. 7975-7989, DOI 10.1088/0953-8984/18/34/010. - Cited References: 20 . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
PHASE-TRANSITION
   DIFFRACTION
   CRYSTALS
   GDFE3(BO3)(4)
   SINQ
Кл.слова (ненормированные):
Iron compounds -- Magnetic moments -- Magnetization -- Neodymium compounds -- Neutron diffraction -- Vectors -- Crystal-field effects -- Free ion moment -- Specific heat measurements -- Symmetry analysis -- Antiferromagnetic materials
Аннотация: By means of magnetic susceptibility and specific heat measurements, x-ray and unpolarized neutron diffraction investigations on powder and single-crystal samples, simultaneous long-range antiferromagnetic Fe and Nd ordering in NdFe3((BO3)-B-11)(4) with R32 chemical structure has been found at temperatures below T-N = 30.5(5) K down to 1.6 K. At temperatures down to 19 K the propagation vector is k(hex) = [0, 0, 3/2] and becomes slightly incommensurate at lower temperatures. Combined with symmetry analysis, best powder neutron profile fits are obtained with magnetic spiral configurations with the magnetic moments oriented parallel to the hexagonal basal plane according to the irreducible representations tau(3) in the commensurate case. This is in agreement with the easy directions of magnetization perpendicular to the c-axis as determined by magnetic susceptibility measurements. At 1.6 K the magnetic Fe moment amounts to 4.9 mu(B) B close to the free ion moment of Fe3+. The magnetic Nd3+ moment saturates presumably due to crystal-field effects at 2.7 mu(B).

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Держатели документа:
ETH, Neutron Scattering Lab, CH-5232 Villigen, Switzerland
Paul Scherrer Inst, CH-5232 Villigen, Switzerland
Tech Univ Munich, Dept Phys, D-85748 Garching, Germany
RAS, SB, Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Laboratory for Neutron Scattering, ETH Zurich, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
Physik Department E21, TU Munchen, D-85748 Garching, Germany
Institute of Physics SB RAS, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Fischer, P.; Pomjakushin, V.; Sheptyakov, D.; Keller, L.; Janoschek, M.; Roessli, B.; Schefer, J.; Petrakovskii, G. A.; Петраковский, Герман Антонович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич
}
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Short-range correlations and their thermal hysteresis in the paramagnetic phase of YFe3(BO3)(4) / L. . Rebbouh [et al.] // Phys. Rev. B. - 2011. - Vol. 83, Is. 14. - Ст. 140406, DOI 10.1103/PhysRevB.83.140406. - Cited References: 21. - This work was supported by grants from the Natural Sciences and Engineering Research Council of Canada and the Canada Foundation for Innovation. J.M.C. acknowledges support from the Canada Research Chairs program. . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
MOSSBAUER-SPECTRA
GDFE3(BO3)(4)
RELAXATION
Аннотация: Neutron diffraction and Mossbauer spectroscopy have been used to examine the connections between long-and short-range magnetic order in the rare-earth iron ferroborate YFe3(BO3)(4). We establish the presence of short-range magnetic order in the pseudo-one-dimensional Fe-spin chains of the FeO6 octahedra while the ferroborates are in their (long-range) paramagnetic phase. The short-range order exists at temperatures several times the Neel temperature. In addition, we observe thermal hysteresis of the short-range ordered Fe spins. The observed Fe-spin dynamics are suggestive of the presence of solitons within the domains that form in the Fe-spin chains.

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Держатели документа:
[Rebbouh, L.
Desautels, R. D.
Cadogan, J. M.
van Lierop, J.] Univ Manitoba, Dept Phys & Astron, Winnipeg, MB R3T 2N2, Canada
[Ritter, C.] Inst Laue Langevin, F-38042 Grenoble, France
[Temerov, V.
Pankrats, A.] RAS, LV Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Department of Physics and Astronomy, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
Institut Laue-Langevin, Boite Postale 156, F-38042 Grenoble, France
L. V. Kirenskii Institute of Physics, Siberian Branch of RAS, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Rebbouh, L.; Desautels, R. D.; Ritter, C.; Cadogan, J. M.; Temerov, V.; Pankrats, A. I.; Панкрац, Анатолий Иванович; van Lierop, J.
}
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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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Optical and magneto-optical properties of Nd0.5Gd0.5Fe3(BO3)4 single crystal in the near IR spectral region / A. V. Malakhovskii [et al.] // J. Alloys Compd. - 2012. - Vol. 542. - P. 157-163, DOI 10.1016/j.jallcom.2012.07.061. - Cited References: 23. - The work was supported by the Russian Foundation for Basic Researches Grant 12-02-00026 and by the Russian President Grant SS-1044.2012.2. . - ISSN 0925-8388

РУБ Chemistry, Physical + Materials Science, Multidisciplinary + Metallurgy & Metallurgical Engineering
Рубрики:
MAGNETIC CIRCULAR-DICHROISM
   GDFE3(BO3)(4)
   YB3+
   ER3+
   ND3+
Кл.слова (ненормированные):
Rare earth compounds -- Nd3+ -- Antiferromagnets -- Multiferroics -- Magnetic circular dichroism -- Absorption spectra
Аннотация: Polarized optical absorption and magnetic circular dichroism (MCD) spectra of the trigonal multiferroic Nd0.5Gd0.5Fe3(BO3)4 were studied in the region of transitions 4I9/2 → 4F3/2 and 4I9/2 → (4F5/2 + 2H9/2) in Nd3+ ion. Components of the crystal field splitting of the states were identified with the help of MCD and polarized absorption spectra. Splitting of the Nd3+ absorption lines caused by the magnetic ordering were observed. Splitting of Nd3+ ground state in Fe-sublattice exchange field was found to be ∼9 cm−1 at 5.7 K. The Zeeman splitting of some absorption lines in the external magnetic field and changes of the effective Landé factors in the C3-direction as a result of the corresponding optical transitions were found. Peculiarities in the temperature behavior of the absorption lines connected both with the ground and excited states were revealed. Peculiarities connected with the excited states testify to the local crystal distortions in the excited states.

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Держатели документа:
[Malakhovskii, A. V.
Sukhachev, A. L.
Gudim, I. A.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Gnatchenko, S. L.
Kachur, I. S.
Piryatinskaya, V. G.] Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine

Доп.точки доступа:
Malakhovskii, A. V.; Малаховский, Александр Валентинович; Gnatchenko, S. L.; Kachur, I. S.; Piryatinskaya, V. G.; Sukhachev, A. L.; Сухачев, Александр Леонидович; Gudim, I. A.; Гудим, Ирина Анатольевна
}
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Nonresonant x-ray magnetic scattering on rare-earth iron borates RFe3(BO3)(4) / J. E. Hamann-Borrero [et al.] // Phys. Rev. B. - 2010. - Vol. 82, Is. 9. - Ст. 94411, DOI 10.1103/PhysRevB.82.094411. - Cited References: 38. - This work was supported by the Deustche Forschungsgemeinschaft, through the Forschergruppe FOR520 (Grant No. HE3439/6) and HASYLAB at the Feyerherm from HMI Berlin and specially to Jorg Strempfer from HASYLAB at DESY in Hamburg for valuable discussions. . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
SINGLE-CRYSTALS
   CROSS-SECTION
   GDFE3(BO3)(4)
   NDFE3(BO3)(4)
   DIFFRACTION
   MNF2
Аннотация: Hard x-ray scattering experiments with a photon energy of 100 keV were performed as a function of temperature and applied magnetic field on selected compounds of the RFe3(BO3)4 family. The results show the presence of several diffraction features, in particular, nonresonant magnetic reflections in the magnetically ordered phase and structural reflections that violate the diffraction conditions for the low-temperature phase P3(1)21 of the rare-earth iron borates. The temperature and field dependence of the magnetic superlattice reflections corroborate the magnetic structures of the borate compounds obtained by neutron diffraction. The detailed analysis of the intensity and scattering cross section of the magnetic reflection reveals details of the magnetic structure of these materials such as the spin domain structure of NdFe3(BO3)(4) and GdFe3(BO3)(4). Furthermore we find that the correlation length of the magnetic domains is around 100 angstrom for all the compounds and that the Fe moments are rotated 53 degrees +/- 3 degrees off from the hexagonal basal plane in GdFe3(BO3)(4).

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Держатели документа:
[Hamann-Borrero, J. E.
Philipp, M.
Kataeva, O.
Geck, J.
Klingeler, R.
Buechner, B.
Hess, C.] IFW Dresden, Leibniz Inst Solid State & Mat Res, D-01171 Dresden, Germany
[Kataeva, O.] Russian Acad Sci, AE Arbuzov Organ & Phys Chem Inst, Kazan 420088, Russia
[Zimmermann, M. V.] Deutsch Elektronen Synchrotron DESY, Hamburger Synchrotronstrahlungslabor HASYLAB, D-22603 Hamburg, Germany
[Klingeler, R.] Univ Heidelberg, Kirchhoff Inst Phys, D-69120 Heidelberg, Germany
[Vasiliev, A.] Moscow MV Lomonosov State Univ, Fac Phys, Low Temp Phys Dept, Moscow 119992, Russia
[Bezmaternykh, L.] Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Leibniz Institute for Solid State and Materials Research, IFW Dresden, 01171 Dresden, Germany
A. E. Arbuzov Institute of Organic and Physical Chemistry, Russian Academy of Sciences, Arbuzov Str. 8, Kazan 420088, Russian Federation
Hamburger Synchrotronstrahlungslabor (HASYLAB), Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, 22603 Hamburg, Germany
Kirchhoff Institute for Physics, University of Heidelberg, Im Neuenheimer Feld 227, D-69120 Heidelberg, Germany
Low Temperature Physics Department, Faculty of Physics, Moscow State University, Moscow 119992, Russian Federation
L. V. Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk 660,0,36, Russian Federation

Доп.точки доступа:
Hamann-Borrero, J. E.; Philipp, M.; Kataeva, O.; Zimmermann, M. V.; Geck, J.; Klingeler, R.; Vasiliev, A.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Buchner, B.; Hess, C.
}
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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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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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Magnetodielectric and magnetoelastic coupling in TbFe3(BO3)(4) / U. . Adem [et al.] // Phys. Rev. B. - 2010. - Vol. 82, Is. 6. - Ст. 64406, DOI 10.1103/PhysRevB.82.064406. - Cited References: 23. - We thank K. L. and S. G. for technical support. Work was supported by the DFG through Grants No. HE 3439/6 and No. 486 RUS 113/982/0-1. . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
DIELECTRIC-CONSTANTS
   IRON
   GDFE3(BO3)(4)
   MULTIFERROICS
   TEMPERATURE
Аннотация: We have studied the magnetodielectric and magnetoelastic coupling in TbFe3(BO3)(4) single crystals by means of capacitance, magnetostriction, and Raman spectroscopy measurements. The data reveal strong magnetic field effects on the dielectric constant and on the macroscopic sample length which are associated to long-range magnetic ordering and a field-driven metamagnetic transition. We discuss the coupling of the dielectric, structural, and magnetic order parameters and attribute the origin of the magnetodielectric coupling to phonon mode shifts according to the Lyddane-Sachs-Teller relation.

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Держатели документа:
[Adem, U.
Wang, L.
Schottenhamel, W.
Buechner, B.
Hess, C.
Klingeler, R.] IFW Dresden, Leibniz Inst Solid State & Mat Res, Dresden, Germany
[Fausti, D.] Univ Hamburg, CFEL, Max Planck Grp Struct Dynam, Hamburg, Germany
[van Loosdrecht, P. H. M.] Univ Groningen, Zernike Inst Adv Mat, NL-9747 AG Groningen, Netherlands
[Vasiliev, A.] Moscow MV Lomonosov State Univ, Moscow 119992, Russia
[Bezmaternykh, L. N.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
[Klingeler, R.] Univ Heidelberg, Kirchhoff Inst Phys, Heidelberg, Germany
ИФ СО РАН
Leibniz Institute for Solid State and Materials Research, IFW Dresden, Dresden, Germany
Max Planck Group for Structural Dynamics, University of Hamburg-CFEL, Hamburg, Germany
Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, Netherlands
Moscow State University, Moscow 119992, Russian Federation
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Kirchhoff Institute for Physics, University of Heidelberg, Heidelberg, Germany

Доп.точки доступа:
Adem, U.; Wang, L.; Fausti, D.; Schottenhamel, W.; van Loosdrecht, PHM; Vasiliev, A.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Buchner, B.; Hess, C.; Klingeler, R.
}
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Magnetization and specific heat of TbFe3(BO3)(4): Experiment and crystal-field calculations / E. A. Popova [et al.] // Phys. Rev. B. - 2007. - Vol. 75, Is. 22. - Ст. 224413, DOI 10.1103/PhysRevB.75.224413. - Cited References: 22 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
GDFE3(BO3)(4)
MAGNETOSTRICTION
Аннотация: We have studied the thermodynamic properties of single-crystalline TbFe3(BO3)(4). Magnetization measurements have been carried out as a function of magnetic field (up to 50 T) and temperature up to 350 K with the magnetic field both parallel and perpendicular to the trigonal c axis of the crystal. The specific heat has been measured in the temperature range 2-300 K with a magnetic field up to 9 T applied parallel to the c axis. The data indicate a structural phase transition at 192 K and antiferromagnetic spin ordering at T-N approximate to 40 K. A Schottky anomaly is present in the specific-heat data around 20 K, arising due to two low-lying energy levels of the Tb3+ ions being split by f-d coupling. Below T-N, magnetic fields parallel to the c axis drive a spin-flop phase transition, which is associated with a large magnetization jump. The highly anisotropic character of the magnetic susceptibility is ascribed mainly to the Ising-like behavior of the Tb3+ ions in the trigonal crystal field. We describe our results in the framework of a unified approach which is based on mean-field approximation and crystal-field calculations.

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Держатели документа:
Moscow MV Lomonosov State Univ, Fac Phys, Low Temp Phys Dept, Moscow 119992, Russia
Bryansk State Tech Univ, Bryansk 241035, Russia
RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
IFW Dresden, Leibniz Inst Solid State & Mat Res, D-01171 Dresden, Germany
ИФ СО РАН
Low Temperature Physics Department, Physics Faculty, Moscow State University, 119992 Moscow, Russian Federation
Bryansk State Technical University, 241035 Bryansk, Russian Federation
L.V. Kirensky Institute of Physics, Siberian Branch of RAS, 660036 Krasnoyarsk, Russian Federation
Leibniz-Institute for Solid State and Materials Research, IFW Dresden, 01171 Dresden, Germany

Доп.точки доступа:
Popova, E. A.; Volkov, D. V.; Vasiliev, A. N.; Demidov, A. A.; Kolmakova, N. P.; Gudim, I. A.; Гудим, Ирина Анатольевна; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Tristan, N.; Skourski, Y.; Buchner, B.; Hess, C.; Klingeler, R.
}
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10.

Magnetization and specific heat of DyFe3(BO3)(4) single crystal / E. A. Popova [et al.] // Eur. Phys. J. B. - 2008. - Vol. 62, Is. 2. - P. 123-128, DOI 10.1140/epjb/e2008-00146-5. - Cited References: 18 . - ISSN 1434-6028

РУБ Physics, Condensed Matter
Рубрики:
IRON
NDFE3(BO3)(4)
GDFE3(BO3)(4)
Кл.слова (ненормированные):
Antiferromagnetic orders -- Iron subsystems -- Antiferromagnetic materials -- Dysprosium compounds -- Magnetic field effects -- Magnetization -- Specific heat -- Thermodynamics -- Single crystals
Аннотация: We present thermodynamic and magnetic studies of single crystalline DyFe3(BO3)(4). The data indicate an easy axis antiferromagnetic order below T-N similar to 38 K which we attribute to the Fe subsystem. The Dy subsystem remains paramagnetic down to the lowest investigated temperatures of 2 K, but it is polarized by the Fe spins due to a f-d interaction. External magnetic field leads to a spin-flop transition in the iron subsystem as well as to superposed magnetization in the Dy subsystem. The repopulation of two low-lying Kramers doublets in Dy3+ ions results in well defined Schottky anomalies in specific heat and magnetization.

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Держатели документа:
Vasiliev, A. N.] Moscow MV Lomonosov State Univ, Low Temp Phys Dept, Moscow 119991, Russia
Klingeler, R.] IFW Dresden, Leibniz Inst Soild State & Mat Res, D-01171 Dresden, Germany
Bezmaternykh, L. N.] RAS, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Low Temperature Physics Department, Moscow State University, Moscow 119991, Russian Federation
Leibniz Institute for Solid State and Materials Research, IFW Dresden, Dresden 01171, Germany
L.V. Kirensky Institute of Physics, Siberian Branch, RAS, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Popova, E. A.; Tristan, N.; Vasiliev, A. N.; Temerov, V. L.; Темеров, Владислав Леонидович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Leps, N.; Buechner, B.; Klingeler, R.
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