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Magnetic properties of transition metal borates FeBO3, VBO3, CrBO3 / A. D. Balaev [et al.] // Acta Phys. Pol. B. - 2003. - Vol. 34, Is. 2. - P. 757-760. - Cited References: 7 . - ISSN 0587-4254

РУБ Physics, Multidisciplinary

Аннотация: The research of magnetic properties of transition metal borates FeB3, VBO3, CrBO3 was carried out. New experimental data concerning magnetic structure of CrBO3 is obtained. The exchange and anisotropy field values are determined.

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Доп.точки доступа:
Balaev, A. D.; Балаев, Александр Дмитриевич; Kazak, N. V.; Казак, Наталья Валерьевна; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Rudenko, V. V.; Руденко, Валерий Васильевич; Ivanova, N. B.; Иванова, Наталья Борисовна; International Conference on Strongly Correlated Electron Systems(Jul. 10-13, 2002 ; Krakow, Poland)
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Magnetic anisotropy of the VBO3 and CrBO3 transition-metal borates / A. D. Balaev [et al.] // Phys. Solid State. - 2003. - Vol. 45, Is. 2. - P. 287-291, DOI 10.1134/1.1553533. - Cited References: 16 . - ISSN 1063-7834

РУБ Physics, Condensed Matter

Аннотация: Temperature and field dependences of the magnetization of VBO3 and CrBO3 single crystals with the magnetic field applied parallel and perpendicular to the (111) basal plane were measured. VBO3 was found to have a considerable uniaxial anisotropy with a field H-a approximate to 6.25 T. CrBO3 was shown to exhibit not only uniaxial but also hexagonal anisotropy. The experimental anisotropy constants were estimated, and their temperature dependences are presented. (C) 2003 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Krasnoyarsk State Tech Univ, Krasnoyarsk 660074, Russia
ИФ СО РАН
Kirenskii Inst. of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Krasnoyarsk State Tech. University, Krasnoyarsk 660074, Russian Federation

Доп.точки доступа:
Balaev, A. D.; Балаев, Александр Дмитриевич; Ivanova, N. B.; Иванова, Наталья Борисовна; Kazak, N. V.; Казак, Наталья Валерьевна; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Rudenko, V. V.; Руденко, Валерий Васильевич; Sosnin, V. M.; Соснин, Виктор Михайлович
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Studies of magnetic and optic properties of rare-earth gallo-ferroborates by Mossbauer and optical spectroscopy / O. A. Bayukov [et al.] // Physica B. - 2005. - Vol. 359: International Conference on Strongly Correlated Electron Systems (SCES 04) (JUL 26-30, 2004, Karlsruhe, GERMANY). - P. 1321-1323, DOI 10.1016/j.physb.2005.01.397. - Cited References: 3 . - ISSN 0921-4526

РУБ Physics, Condensed Matter

Кл.слова (ненормированные):
strongly correlated electron system -- antiferromagnets -- borates -- Antiferromagnets -- Borates -- Strongly correlated electron system -- Antiferromagnetism -- Cryostats -- Energy gap -- Magnetic moments -- Magnetic properties -- Mossbauer spectroscopy -- Optical properties -- Single crystals -- Borates -- Coulomb correlations -- Liquid helium -- Strongly correlated electron systems -- Gadolinium compounds
Аннотация: Magnetic and optical properties of GdFe3-xGax(BO3)(4) single crystals are investigated by Mossbauer and optical spectroscopy. The GdFe3(BO3)(4) multielectron band structure model is derived. A high- and low-spin crossover of Fe3+ ion, a collapse of the magnetic moment, the suppression of Coulomb correlations, and insulator-semiconductor transition are predicted. The jump of an energy gap is measured at pressure 43 GPa. (c) 2005 Elsevier B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk, Russia
Inst High Pressure Phys, Troitsk 142190, Russia
Inst Crystallog, Moscow 117333, Russia
Univ Liverpool, Liverpool L69 3BX, Merseyside, England
ИФ СО РАН
LV Kirensky Institute of Physics, Siberian Branch of RAS, Krasnoyarsk, Russian Federation
Institute of High Pressure Physics, 142190, Troisk, Moscow region, Russian Federation
Institute of Crystallograhy, Leninsky Av. 59, 117333, Moscow, Russian Federation
The University of Liverpool, Liverpool L69 3BX, United Kingdom

Доп.точки доступа:
Bayukov, O. A.; Баюков, Олег Артемьевич; Gavrilyuk, A. M.; Zabluda, V. N.; Заблуда, Владимир Николаевич; Lyubutin, I. S.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Potseluyko, A. M.; Tomas, M.; Trojan, I. A.; Kharlamova, S. A.
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Investigation of the iron borates DyFe3(BO3)(4) and HoFe3(BO3)(4) by the method of Er3+ spectroscopic probe / T. N. Stanislavchuk [et al.] // Phys. Lett. A. - 2007. - Vol. 368, Is. 5. - P. 408-411, DOI 10.1016/j.physleta.2007.04.044. - Cited References: 16 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary
Рубрики:
GDFE3(BO3)(4)
CRYSTALS
Кл.слова (ненормированные):
rare-earth iron borates -- magnetic ordering -- optical spectroscopy -- Magnetic ordering -- Optical spectroscopy -- Rare-earth iron borates
Аннотация: Temperature-dependent high-resolution optical spectra of the Er3+ probe ion in DyFe3(BO3)(4) and HoFe3(BO3)(4) are reported. The data provide the temperature of magnetic ordering and direction of the Fe3+ magnetic moments. Both compounds order magnetically at T-N = 39 +/- 1K. The magnetic structure of DyFe3(BO3)(4) is of the easy-axis type, while that of HoFe3(BO3)(4) is of the easy-plane type. The role of anisotropic interactions between the iron and the rare-earth subsystems is discussed. (c) 2007 Elsevier B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Region, Russia
LV Kirenskii Inst Phys, RAS, 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, RAS, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Stanislavchuk, T. N.; Chukalina, E. P.; Popova, M. N.; Bezmaternykh, L. N.; Gudim, I. A.; Гудим, Ирина Анатольевна
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    Growth, optical and electromechanical properties of single-crystalline orthorhombic bismuth triborate / A. S. Aleksandrovsky [et al.] // J. Cryst. Growth. - 2008. - Vol. 310, Is. 18. - P. 4027-4030, DOI 10.1016/j.jcrysgro.2008.06.020. - Cited Reference Count: 19. - Гранты: The work was supported by the Russian Foundation for Basic Research Grant No 07-02-00497, the Grants of the President of the Russian Federation for the support of leading scientific schools (SS-4137.2006.2 and SS-6612.2006.3), the Grant RNR2.1.1.1814 and Interdisciplinary Integration project of SB RAS No 33. - Финансирующая организация: Russian Foundation for Basic Research [07-02-00497]; President of the Russian Federation [SS-4137.2006.2, SS-6612.2006.3]; SB RAS [33]; [RNR2.1.1.1814] . - ISSN 0022-0248
Рубрики:
BORATE BIB3O6
   BIBO
   GENERATION
Кл.слова (ненормированные):
growth from melt -- borates -- dielectric materials -- nonlinear optical materials -- A2. Growth from melt -- B1. Borates -- B2. Dielectric materials -- B2. Nonlinear optical materials -- A2. Growth from melt -- B1. Borates -- B2. Dielectric materials -- B2. Nonlinear optical materials -- Bismuth triborate -- Electro-mechanical properties -- Optical- -- Single-crystalline -- Bismuth
Аннотация: Orthorhombic bismuth triborate (delta-BiB3O6) Single crystals were grown via the top-seeded method at atmospheric pressure. delta-BiB3O6 is shown to be a stable polymorph at temperatures close to the melting point while alpha-BiB3O6 is a metastable one. Optical, acoustic and electromechanical properties of delta-BiB3O6 are measured. Possibility of doping delta-BiB3O6 with large amounts of rare earths is demonstrated. (C) 2008 Published by Elsevier B.V.

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Держатели документа:
LV Kirenskii Inst Phys, Coherent Opt Lab, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk, Russia

Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Zamkov, A. V.; Замков, Анатолий Васильевич
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Magnetic structure in iron borates RFe(3)(BO(3))(4)(R= Y, Ho): a neutron diffraction and magnetization study / C. . Ritter [et al.] // J. Phys.: Condens. Matter. - 2008. - Vol. 20, Is. 36. - Ст. 365209, DOI 10.1088/0953-8984/20/36/365209. - Cited References: 16. - This work was supported by RFBR, grant no. 06-02-16255. . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
GDFE3(BO3)(4)
CRYSTALS
ND3+
Аннотация: Neutron diffraction, susceptibility and magnetization measurements were performed on iron borates RFe(3)(BO(3))(4)(R = Y, Ho) to investigate the low temperature magnetic structures and to clarify the role of the rare earth in the formation of the long-range magnetic order. Both compounds see an identical magnetic propagation vector tau = [ 0, 0, 1/2] within the P3(1)21 crystallographic space group appear at Neel temperatures of T(N) = 37 K for the Y and TN = 38 K for the Ho compound. The strong polarization effect of the Fe sublattice on the Ho(3+) ions leads to the simultaneous ordering of both sublattices while the competition between their anisotropies governs the spin-reorientation process at T(SR) = 5 K. The results obtained are discussed in the framework of the determined structural details and the specific rare-earth ions present including information on compounds investigated earlier.

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Держатели документа:
[Ritter, C.] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France
[Vorotynov, A.
Pankrats, A.
Petrakovskii, G.
Temerov, V.
Gudim, I.] RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Szymczak, R.] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
ИФ СО РАН
Institute Laue-Langevin, Boite Postale 156, F-38042 Grenoble, France
L V Kirenskii Institute of Physics, Siberian Branch, RAS, Krasnoyarsk 660036, Russian Federation
Institute of Physics, Polish Academy of Sciences, PL-02668 Warsaw, Poland

Доп.точки доступа:
Ritter, C.; Vorotynov, A. M.; Воротынов, Александр Михайлович; Pankrats, A. I.; Панкрац, Анатолий Иванович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Temerov, V. L.; Темеров, Владислав Леонидович; Gudim, I. A.; Гудим, Ирина Анатольевна; Szymczak, R.
}
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Magnetic intermediate state in the iron borates TbFe3(BO3)4 and PrFe3(BO3)4 [Text] / V. A. Bedarev, L. N. Bezmaternykh [et al.] // International Conference "Functional Materials" (ICFM-09) : book of abstracts : October 5-10, Ukraine, Crimea, Partenit. - 2009. - Ст. ES-4P/14

Доп.точки доступа:
Bedarev, V.A.; Bezmaternykh, L.N.; Gnatchenko, S.L.; Pashchenko, M.I.; Temerov, V.L.; "Functional Materials", International Conference(4 ; 2009 ; OCT ; Partenit, Crimea, Ukraine)
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Magnetic structure in iron borates RFe3(BO3)(4) (R = Er, Pr): a neutron diffraction and magnetization study / C. . Ritter [et al.] // J. Phys.: Condens. Matter. - 2010. - Vol. 22, Is. 20. - Ст. 206002, DOI 10.1088/0953-8984/22/20/206002. - Cited References: 22. - This work was supported by RFBR, grant no. 10-02-00765, and by the Physical Sciences Department of RAS, project no. 1.1.1.1. . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
GDFE3(BO3)(4)
DYFE3(BO3)(4)
CRYSTAL
Кл.слова (ненормированные):
Antiferromagnetics -- Crystallographic structure -- Iron borate -- Low temperatures -- Magnetic ordering -- Magnetic propagation -- Magnetization measurements -- Rare-earth sublattices -- Space Groups -- Spin reorientation -- Sub-lattices -- Temperature range -- Unit cells -- Anisotropy -- Antiferromagnetic materials -- Antiferromagnetism -- Erbium -- Erbium compounds -- Magnetic devices -- Magnetic properties -- Magnetic structure -- Magnetization -- Neutron diffraction -- Rare earths -- Single crystals -- Crystallography
Аннотация: Neutron diffraction, susceptibility and magnetization measurements (for R = Er only) were performed on iron borates RFe3(BO3)(4) (R = Pr, Er) to investigate details of the crystallographic structure, the low temperature magnetic structures and transitions and to study the role of the rare earth anisotropy. PrFe3(BO3)(4), which crystallizes in the spacegroup R32, becomes antiferromagnetic at T-N = 32 K, with t = [0 0 3/2], while ErFe3(BO3)(4), which keeps the P3(1)21 symmetry over the whole studied temperature range 1.5 K < T < 520 K, becomes antiferromagnetic below T-N = 40 K, with tau = [0 0 1/2]. Both magnetic propagation vectors lead to a doubling of the crystallographic unit cell in the c-direction. Due to the strong polarization of the Fe-sublattice, the magnetic ordering of the rare earth sublattices appears simultaneously at T-N. The moment directions are determined by the rare earth anisotropy: easy-axis along c for PrFe3(BO3)(4) and easy-plane a-b for ErFe3(BO3)(4). There are no spin reorientations present in either of the two compounds but there is the appearance below 10 K of a minority phase in the Er-compound adopting a 120 degrees arrangement of the Er-moments.

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Держатели документа:
[Ritter, C.] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France
[Vorotynov, A.
Pankrats, A.
Petrakovskii, G.
Temerov, V.
Gudim, I.] RAS, Siberian Branch, LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Petrakovskii, G.] Siberian Fed Univ, Krasnoyarsk, Russia
[Szymczak, R.] Inst Phys PAS, Warsaw, Poland
ИФ СО РАН
Institut Laue-Langevin, Boite Postale 156, F-38042 Grenoble, France
L v Kirenskii Institute of Physics, Siberian Branch of RAS, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Physics PAS, Warsaw, Poland

Доп.точки доступа:
Ritter, C.; Vorotynov, A. M.; Воротынов, Александр Михайлович; Pankrats, A. I.; Панкрац, Анатолий Иванович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Temerov, V. L.; Темеров, Владислав Леонидович; Gudim, I. A.; Гудим, Ирина Анатольевна; Szymczak, R.
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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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10.

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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