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Chukalina, E. P.
Study of the magnetic properties of neodymium and samarium iron borates by the method of erbium spectroscopic probe / E. P. Chukalina, A. Jablunovskis, I. A. Gudim // Opt. Spectrosc. - 2022. - Vol. 130, Is. 1. - P. 98-104, DOI 10.21883/EOS.2022.01.52993.23-21. - Cited References: 30. - This paper was carried out under financial support of the Russian Science Foundation (grant № 19-12-00413) . - ISSN 0030-400X. - ISSN 1562-6911
Кл.слова (ненормированные):
multiferroics -- optical spectroscopy -- crystals with rare earths -- Kramers ions
Аннотация: Iron borates NdFe3(BO3)4 and SmFe3(BO3)4 activated with 1% erbium, with a huntite structure (space symmetry group R32) were investigated by the method of erbium spectroscopic probe. From an analysis of the temperature dependence of the transmission spectra in the region of the 4I15/2 → 4I13/2 transition in the Er3+ ion, it was found that both studied compounds order antiferromagnetically at TN ≈ 33 K into an easy-plane magnetic structure. No other phase transitions were found.

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Публикация на русском языке Чукалина Е. П. Исследование магнитных свойств ферроборатов неодима и самария методом спектроскопического эрбиевого зонда [Текст] / Е. П. Чукалина, А. Яблуновский, И. А. Гудим // Опт. и спектроскоп. - 2022. - Т. 130 Вып. 1. - С. 104-110

Держатели документа:
Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow, Russia
Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow Region, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB, Russian Academy of Sciences, Krasnoyarsk, Russia

Доп.точки доступа:
Jablunovskis, A.; Gudim, I. A.; Гудим, Ирина Анатольевна
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Chukalina, E. P.
Study of the magnetic properties of neodymium and samarium iron borates by the method of erbium spectroscopic probe / E. P. Chukalina, A. Jablunovskis, I. A. Gudim // Opt. Spectrosc. - 2023. - Vol. 131, Is. 8. - P. 630-636, DOI 10.1134/S0030400X23060024. - Cited References: 30. - This paper was carried out under financial support of the Russian Science Foundation (grant № 19-12-00413) . - ISSN 0030-400X. - ISSN 1562-6911
Кл.слова (ненормированные):
multiferroics -- optical spectroscopy -- crystals with rare earths -- Kramers ions
Аннотация: Iron borates NdFe3(BO3)4 and SmFe3 (BO3)4 activated with 1% erbium, with ahuntite structure (space symmetry group R32) were investigated by the method of erbium spectroscopic probe. From an analysis of the temperature dependence of the transmission spectra in the region of the 4I15/2 → 4113/2 transition in the Er3+ ion, it was found that both studied compounds order antiferromagnetically at TN ≈ 33 K into an easy-plane magnetic structure. No other phase transitions were found.

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Держатели документа:
Institute of Spectroscopy, Russian Academy of Sciences, 108840, Troitsk, Moscow, Russia
Moscow Institute of Physics and Technology (National Research University), 141701, Dolgoprudny, Moscow oblast, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia

Доп.точки доступа:
Jablunovskis, A.; Gudim, I. A.; Гудим, Ирина Анатольевна
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Spectroscopy of f-f transitions, crystal-field calculations, and magnetic and quadrupole helix chirality in DyFe3(BO3)4 / M. N. Popova [et al.]. - Electronic text data // ArXiv. - 2016. - Ст. 1611.07092. - Cited References: 47. - This work was supported by the Russian Science Foundation (Grant No14-12-01033). I. A. G. thanks L. N. Bezmaternykh for useful comments concerning the crystal growth and the Russian Foundation for Basic Research for a financial support under Grant No 14-02-00307a.
Аннотация: Recently, quadrupole helix chirality and its domain structure was observed in resonant x-ray diffraction experiments on DyFe3(BO3)4 using circularly polarized x rays [T. Usui et al., Nature Materials 13, 611 (2014)]. We show that this effect can be explained quantitatively by calculating the quadrupole moments of the Dy3+ ions induced by the low-symmetry (C2) crystal-field (CF) component. In this work, the CF parameters for the Dy3+ ions in the P3121 (P3221) phase of DyFe3(BO3)4 are obtained from CF calculations based on the analysis of high-resolution temperature-dependent optical spectroscopy data. We also consider the helix chirality of the single-site magnetic susceptibility tensors of the Dy3+ ions in the paramagnetic P3121 (P3221) phase and suggest a neutron diffraction experiment to reveal it.

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Держатели документа:
Institute of Spectroscopy, Russian Academy of Sciences, 108840 Moscow, Troitsk, Russia
Department of Physics, New Jersey Institute of Technology, 07102 Newark, New Jersey, USA
Kazan Federal University, 420008 Kazan, Russia
Kirensky Institute of Physics, Siberian Branch of RAS, 660036 Krasnoyarsk, Russia

Доп.точки доступа:
Popova, M. N.; Chukalina, E. P.; Boldyrev, K. N.; Stanislavchuk, T. N.; Malkin, B. Z.; Gudim, I. A.; Гудим, Ирина Анатольевна
}
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Spectroscopy of f-f transitions, crystal-field calculations, and magnetic and quadrupole helix chirality in DyFe3(BO3)4 / M. N. Popova [et al.] // Phys. Rev. B. - 2017. - Vol. 95, Is. 12. - Ст. 125131, DOI 10.1103/PhysRevB.95.125131. - Cited References: 49. - This paper was supported by the Russian Scientific Foundation (Grant No. 14-12-01033). I.A.G. thanks L. N. Bezmaternykh for useful comments concerning the crystal growth and the Russian Foundation for Basic Research for financial support under Grant No. 14-02-00307a. . - ISSN 1098-0121
Аннотация: We present the results of temperature- and polarization-dependent high-resolution optical spectroscopy studies of DyFe3(BO3)4 performed in spectral ranges 40-300cm-1 and 3000-23000cm-1. The crystal-field (CF) parameters for the Dy3+ ions in the P3121 (P3221) phase of DyFe3(BO3)4 are obtained from calculations based on the analysis of the measured f-f transitions. Recently, quadrupole helix chirality and its domain structure was observed in resonant x-ray diffraction experiments on DyFe3(BO3)4 using circularly polarized x rays [T. Usui, Y. Tanaka, H. Nakajima, M. Taguchi, A. Chainani, M. Oura, S. Shin, N. Katayama, H. Sawa, Y. Wakabayashi, and T. Kimura, Nat. Mater. 13, 611 (2014)10.1038/nmat3942]. Using the obtained set of the CF parameters, we calculate temperature dependencies of the electronic quadrupole moments of the Dy3+ ions induced by the low-symmetry (C2) CF component and show that the quadrupole helix chirality can be explained quantitatively. We also consider the temperature dependencies of the bulk magnetic dc-susceptibility and the helix chirality of the single-site magnetic susceptibility tensors of the Dy3+ ions in the paramagnetic P3121 (P3221) phase and suggest the neutron and resonant x-ray diffraction experiments in a magnetic field to reveal the helix chirality of field-induced magnetic moments. © 2017 American Physical Society.

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Доп.точки доступа:
Popova, M. N.; Chukalina, E. P.; Boldyrev, K. N.; Stanislavchuk, T. N.; Malkin, B. Z.; Gudim, I. A.; Гудим, Ирина Анатольевна
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Spectroscopic study of the magnetic ordering in SmFe3(BO3)(4) / E. P. Chukalina [et al.] // Phys. Lett. A. - 2010. - Vol. 374, Is. 15-16. - P. 1790-1792, DOI 10.1016/j.physleta.2010.02.018. - Cited References: 20. - The authors thank B.Z. Malkin and S.A. Klinnin for helpful discussions and K.N. Boldyrev for participating in some low-temperatures measurements. This work was supported in part by the Russian Foundation for Basic Research (grants Nos. 10-02-01071 and 10-02-00765), and by the Russian Academy of Sciences under the Programs for Basic Research. . - ISSN 0375-9601

РУБ Physics, Multidisciplinary
Рубрики:
IRON BORATE GDFE3(BO3)(4)
SINGLE-CRYSTAL
DYFE3(BO3)(4)
Кл.слова (ненормированные):
Rare-earth iron borates -- Magnetic ordering -- Optical spectroscopy -- Magnetic ordering -- Optical spectroscopy -- Rare-earth iron borates
Аннотация: SmFe3(BO3)(4) belongs to the family of rare-earth RFe3(BO3)(4) multiferroics. We present the first measurements of the optical spectra of SmFe3(BO3)(4) (on single crystals) and report the data on the crystal-field levels and their symmetries for the ground multiplet H-6(5/2) [0 (Gamma(4)). 135 (Gamma(56)), and 220 (Gamma(4)) cm(-1)] and on the ground-state exchange splitting (13.2 cm(-1) at 1.7 K), important to interpret the magnetic, magnetoelectric, and thermodynamic properties of this compound. The observed exchange splitting of the Sm3+ Kramers doublets manifests the magnetic ordering in SmFe3(BO3)(4) at 32 +/- 1 K. From a comparison of the temperature-dependent spectra of the Sm3+ ion in SmFe3(BO3)(4) and in Nd-Gd mixed iron borate where the magnetic spin reorientation has been found earlier, we suggest the easy-plane arrangement of the Fe spins in SmFe3(BO3)(4). The samarium iron borate preserves the R32 (D-3(7)) crystal structure at all the investigated temperatures (down to 1.7 K). (C) 2010 Elsevier B.V. All rights reserved.

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Держатели документа:
[Chukalina, E. P.
Popova, M. N.] RAS, Inst Spect, Troitsk 142190, Moscow Region, Russia
[Bezmaternykh, L. N.
Gudim, I. A.] RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Institute of Spectroscopy, RAS, 5, Fizicheskaya str, 142190 Troitsk, Moscow region, Russian Federation
L.V. Kirensky Institute of Physics, Siberian Branch, RAS, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Chukalina, E. P.; Popova, M. N.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна
}
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Spectroscopic Study of the Mag netic Ordering in SmFe3(BO3)4 [Text] / Chukalina E.P.Popova M.N. [et al.] // Physics Letters A. - 2010. - Vol. 374. - P1790-1792

Доп.точки доступа:
Chukalina, E.P.; Popova, M.N.; Bezmaternykh, L.N.; Gudim, I.A.
}
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Chukalina, E. P.
Spectroscopic study of magnetic phase transitions in NdxGd1-xFe3(BO3)(4) / E. P. Chukalina, L. N. Bezmaternykh // Phys. Solid State. - 2005. - Vol. 47: 12th Feofilov Workshop on Spectroscopy of Crystal Activated by Rare-Earth and Transition-Metal Ions (SEP 22-25, 2004, Yekaterinburg, RUSSIA), Is. 8. - P. 1528-1531, DOI 10.1134/1.2014507. - Cited References: 10 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
CRYSTALS
ND
Аннотация: Magnetic ordering and spin reorientation in iron borates NdxGd1 - xFe3(BO3)(4) (x = 0.01, 0.04, 0.25, 1.0) are studied using a rare-earth spectroscopic probe. (c) 2005 Pleiades Publishing, Inc.

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Держатели документа:
Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Oblast, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow oblast, 142190, Russian Federation
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
}
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Optical spectra, crystal-field parameters, and magnetic susceptibility of multiferroic NdFe3(BO3)(4) / M. N. Popova [et al.] // Phys. Rev. B. - 2007. - Vol. 75, Is. 22. - Ст. 224435, DOI 10.1103/PhysRevB.75.224435. - Cited References: 22 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
IRON BORATE GDFE3(BO3)(4)
   CRYSTALLIZATION
   SPECTROSCOPY
   LASER
   ND3+
Аннотация: We report high-resolution optical absorption spectra for NdFe3(BO3)(4) trigonal single crystal, which is known to exhibit a giant magnetoelectric effect below the temperature of magnetic ordering T-N=33 K. The analysis of the temperature-dependent polarized spectra reveals the energies and, in some cases, symmetries and exchange splittings of Nd3+ 84 Kramers doublets. We perform crystal-field calculations starting from the exchange-charge model, obtain a set of six real crystal-field parameters, and calculate wave functions and magnetic g factors. In particular, the values g(perpendicular to)=2.385 and g(parallel to)=1.376 were found for the Nd3+ ground-state doublet. We obtain B-loc=7.88 T and parallel to J(FN)parallel to=0.48 K for the values of the local effective magnetic field at liquid-helium temperatures at the Nd3+ site and the Nd-Fe exchange integral, respectively, using the experimentally measured Nd3+ ground-state splitting of 8.8 cm(-1). To check the reliability of our set of crystal-field parameters, we model the magnetic susceptibility data from literature. A dimer containing two nearest-neighbor iron ions in the spiral chain is considered to partly account for quasi-one-dimensional properties of iron borates, and then the mean-field approximation is used. The results of calculations with the exchange parameters for Fe3+ ions J(nn)=-6.25 K (intrachain interactions) and J(nnn)=-1.92 K (interchain interactions) obtained from fitting agree well with the experimental data.

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Держатели документа:
Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Region, Russia
Kazan VI Lenin State Univ, Kazan 420008, Russia
Ecole Natl Super Chim Paris, CNRS, UMR7574, Lab Chim Appl & Etat Solide, F-75231 Paris, France
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia
RAS, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Institute of Spectroscopy, Russian Academy of Sciences, 142190 Troitsk, Russian Federation
Kazan State University, 420008 Kazan, Russian Federation
Laboratoire de Chimie Applique'e de l'E Tat Solide, CNRS-UMR7574, ENSCP, 11, Rue Pierre et Marie Curie, F-75231 Paris Cedex 05, France
Physics Faculty, Moscow State University, 119992 Moscow, Russian Federation
L.V. Kirensky Institute of Physics, Siberian Branch of RAS, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Popova, M. N.; Chukalina, E. P.; Stanislavchuk, T. N.; Malkin, B. Z.; Zakirov, A. R.; Antic-Fidancev, E.; Popova, E. A.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович
}
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Magnetic structure of ErFe3(BO3)4: Spectroscopic and thermodynamic studies / E. A. Popova, E. P. Chukalina, K. N. Boldyrev [et al.] // J. Magn. Magn. Mater. - 2020. - Vol. 500. - Ст. 166374, DOI 10.1016/j.jmmm.2019.166374. - Cited References: 14. - E.P.Ch., and K.N.B. acknowledge a financial support of the Russian Science Foundation under Grant # 19-12-00413. The calculational part of the article was prepared by . E.A.P. within the framework of the Academic Fund Program at the National Research University Higher School of Economics (HSE University) in 2019 (grant №19-04-030) and by the Russian Academic Excellence Project «5-100» . - ISSN 0304-8853
Кл.слова (ненормированные):
Erbium iron borate -- High-resolution optical spectroscopy -- Modeling of magnetic properties
Аннотация: We report on the high-resolution spectroscopic study of multiferroic ErFe3(BO3)4. The energies of all eight Kramers doublets of the ground 4I15/2 multiplet of the Er3+ ion were determined by the high-resolution 4I13/2 → 4I15/2 infrared luminescence spectra. The spectroscopically determined temperature dependence of the splitting of the ground Kramers doublet was used to calculate the contribution of the erbium subsystem into the specific heat and the magnetic susceptibility of erbium iron borate. The analysis of the thermodynamic properties based on these calculations allowed us to suggest the domain structure in the easy-plane antiferromagnetically ordered iron subsystem, with two magnetically nonequivalent erbium positions in each domain.

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Держатели документа:
National Research University Higher School of Economics, Moscow, 101000, Russian Federation
Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow, 108840, Russian Federation
Moscow Institute of Physics and Technology (National Research University), Dolgoprudnyi, 141701, Russian Federation
Kirenskiy Institute of Physics, Siberian Branch of RAS, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Popova, E. A.; Chukalina, E. P.; Boldyrev, K. N.; Jablunovskis, A.; Gudim, I. A.; Гудим, Ирина Анатольевна
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10.

Magnetic ordering of NdFe3(BO3)(4) studied by infrared absorption spectroscopy / E. P. Chukalina [et al.] // Phys. Lett. A. - 2004. - Vol. 322, Is. 3-4. - P. 239-243, DOI 10.1016/j.physleta.2003.12.062. - Cited References: 8 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary
Рубрики:
CRYSTALS
Кл.слова (ненормированные):
ferroborates -- Fourier-transform spectroscopy -- magnetic ordering -- Ferroborates -- Fourier-transform spectroscopy -- Magnetic ordering -- iron -- neodymium -- absorption spectroscopy -- article -- electronics -- infrared spectroscopy -- magnetism -- molecular interaction -- molecular physics -- temperature
Аннотация: We report the first measurements of the optical spectra of NdFe3(BO3)(4), a promising material for optoelectronics. Exchange splitting of Nd3+ spectral lines due to magnetic interactions in a magnetically ordered state was observed. The temperature dependences of the exchange splitting and of the linewidth point to the temperature T-c 33 +/- 1K of the magnetic ordering in both iron and neodymium. magnetic subsystems. 2004 Elsevier B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Region, Russia
RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Institute of Spectroscopy, Russian Academy of Sciences, 142190 Troitsk, Moscow Region, Russian Federation
L.V. Kirensky Institute of Physics, Siberian Branch of RAS, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Chukalina, E. P.; Kuritsin, D. Y.; Popova, M. N.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Kharlamova, S. A.; Temerov, V. L.; Темеров, Владислав Леонидович
}
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