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Каталог книг и брошюр библиотеки ИФ СО РАН

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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Balaev A. D., Kazak N. V., Ovchinnikov S. G., Rudenko V. V., Ivanova N. B.
Заглавие : Magnetic properties of transition metal borates FeBO3, VBO3, CrBO3
Коллективы : International Conference on Strongly Correlated Electron Systems
Место публикации : Acta Phys. Pol. B. - 2003. - Vol. 34, Is. 2. - P.757-760. - ISSN 0587-4254
Примечания : Cited References: 7
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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Balaev A. D., Ivanova N. B., Kazak N. V., Ovchinnikov S. G., Rudenko V. V., Sosnin V. M.
Заглавие : Magnetic anisotropy of the VBO3 and CrBO3 transition-metal borates
Место публикации : Phys. Solid State: AMER INST PHYSICS, 2003. - Vol. 45, Is. 2. - P287-291. - ISSN 1063-7834, DOI 10.1134/1.1553533
Примечания : Cited References: 16
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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bayukov O. A., Gavrilyuk A. M., Zabluda V. N., Lyubutin I. S., Ovchinnikov S. G., Potseluyko A. M., Tomas M., Trojan I. A., Kharlamova S. A.
Заглавие : Studies of magnetic and optic properties of rare-earth gallo-ferroborates by Mossbauer and optical spectroscopy
Место публикации : Physica B: ELSEVIER SCIENCE BV, 2005. - Vol. 359: International Conference on Strongly Correlated Electron Systems (SCES 04) (JUL 26-30, 2004, Karlsruhe, GERMANY). - P1321-1323. - ISSN 0921-4526, DOI 10.1016/j.physb.2005.01.397
Примечания : Cited References: 3
Ключевые слова (''Своб.индексиров.''): 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Stanislavchuk T. N., Chukalina E. P., Popova M. N., Bezmaternykh L. N., Gudim I. A.
Заглавие : Investigation of the iron borates DyFe3(BO3)(4) and HoFe3(BO3)(4) by the method of Er3+ spectroscopic probe
Разночтения заглавия :авие SCOPUS: Investigation of the iron borates DyFe3(BO3)4 and HoFe3(BO3)4 by the method of Er3+ spectroscopic probe
Место публикации : Phys. Lett. A: ELSEVIER SCIENCE BV, 2007. - Vol. 368, Is. 5. - P408-411. - ISSN 0375-9601, DOI 10.1016/j.physleta.2007.04.044
Примечания : Cited References: 16
Предметные рубрики: GDFE3(BO3)(4)
CRYSTALS
Ключевые слова (''Своб.индексиров.''): 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aleksandrovsky A. S., Vasiliev A. D., Zaitsev A. I., Zamkov A. V.
Заглавие : Growth, optical and electromechanical properties of single-crystalline orthorhombic bismuth triborate
Место публикации : J. Cryst. Growth. - 2008. - Vol. 310, Is. 18. - P.4027-4030. - ISSN 0022-0248, DOI 10.1016/j.jcrysgro.2008.06.020
Примечания : 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]
Предметные рубрики: BORATE BIB3O6
BIBO
GENERATION
Ключевые слова (''Своб.индексиров.''): 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ritter C., Vorotynov A. M., Pankrats A. I., Petrakovskii G. A., Temerov V. L., Gudim, I. A., Szymczak R.
Заглавие : Magnetic structure in iron borates RFe(3)(BO(3))(4)(R= Y, Ho): a neutron diffraction and magnetization study
Коллективы :
Разночтения заглавия :авие SCOPUS: Magnetic structure in iron borates RFe3(BO3) 4(R = Y,Ho): A neutron diffraction and magnetization study
Место публикации : J. Phys.: Condens. Matter: IOP PUBLISHING LTD, 2008. - Vol. 20, Is. 36. - Ст.365209. - ISSN 0953-8984, DOI 10.1088/0953-8984/20/36/365209
Примечания : Cited References: 16. - This work was supported by RFBR, grant no. 06-02-16255.
Предметные 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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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Bedarev V.A., Bezmaternykh L.N., Gnatchenko S.L., Pashchenko M.I., Temerov V.L.
Заглавие : Magnetic intermediate state in the iron borates TbFe3(BO3)4 and PrFe3(BO3)4
Коллективы : "Functional Materials", International Conference
Место публикации : International Conference "Functional Materials" (ICFM-09): book of abstracts : October 5-10, Ukraine, Crimea, Partenit. - 2009. - Ст.ES-4P/14
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ritter C., Vorotynov A. M., Pankrats A. I., Petrakovskii G. A., Temerov V. L., Gudim, I. A., Szymczak R.
Заглавие : Magnetic structure in iron borates RFe3(BO3)(4) (R = Er, Pr): a neutron diffraction and magnetization study
Коллективы :
Разночтения заглавия :авие SCOPUS: Magnetic structure in iron borates RFe3(BO3) 4 (R = Er, Pr): A neutron diffraction and magnetization study
Место публикации : J. Phys.: Condens. Matter: IOP PUBLISHING LTD, 2010. - Vol. 22, Is. 20. - Ст.206002. - ISSN 0953-8984, DOI 10.1088/0953-8984/22/20/206002
Примечания : 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.
Предметные рубрики: GDFE3(BO3)(4)
DYFE3(BO3)(4)
CRYSTAL
Ключевые слова (''Своб.индексиров.''): 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
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Hamann-Borrero J. E., Philipp M., Kataeva O., Zimmermann M. V., Geck J., Klingeler R., Vasiliev A., Bezmaternykh L. N., Buchner B., Hess C.
Заглавие : Nonresonant x-ray magnetic scattering on rare-earth iron borates RFe3(BO3)(4)
Коллективы :
Разночтения заглавия :авие SCOPUS: Nonresonant x-ray magnetic scattering on rare-earth iron borates R Fe 3(BO3)4
Место публикации : Phys. Rev. B: AMER PHYSICAL SOC, 2010. - Vol. 82, Is. 9. - Ст.94411. - ISSN 1098-0121, DOI 10.1103/PhysRevB.82.094411
Примечания : 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.
Предметные 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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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Chukalina E. P., Popova M. N., Bezmaternykh L. N., Gudim I. A.
Заглавие : Spectroscopic study of the magnetic ordering in SmFe3(BO3)(4)
Коллективы :
Разночтения заглавия :авие SCOPUS: Spectroscopic study of the magnetic ordering in SmFe3(BO3)4
Место публикации : Phys. Lett. A: ELSEVIER SCIENCE BV, 2010. - Vol. 374, Is. 15-16. - P1790-1792. - ISSN 0375-9601, DOI 10.1016/j.physleta.2010.02.018
Примечания : 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.
Предметные рубрики: IRON BORATE GDFE3(BO3)(4)
SINGLE-CRYSTAL
DYFE3(BO3)(4)
Ключевые слова (''Своб.индексиров.''): 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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