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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gnatchenko S. L., Kachur I. S., Piryatinskaya V. G., Bedarev V. A., Pashchenko M. I., Malakhovskii A. V., Bezmaternykh L. N., Sukhachev A. L., Temerov V. L.
Заглавие : Spectroscopic and magnetooptical investigations of spin-reorientation phase transition in TbFe3(BO3)(4)
Разночтения заглавия :авие SCOPUS: Spectroscopic and magnetooptical investigations of spin-reorientation phase transition in TbFe 3(BO 3) 4
Место публикации : Low Temp. Phys. - 2011. - Vol. 37, Is. 8. - P.693-698. - ISSN 1063-777X, DOI 10.1063/1.3660219; \b Физика низких температур
Примечания : Cited References: 22
Предметные рубрики: DOMAINS
Аннотация: Spectroscopic and magnetooptical investigations of spin-reorientation transition induced by a magnetic field in antiferromagnetic terbium ferroborate TbFe3(BO3)(4) were performed. In the phase-transition region, a magnetic intermediate state with a periodic alternation of domains of initial and spin-flopped magnetic phases appears. As a result, a strong light scattering by the crystal takes place. It is shown that the main mechanism of light scattering is related to an appearance of the large Faraday rotation in a high-field magnetic phase. Visual polarization investigations of the domain structure in the intermediate state were carried out. The energy of the interphase boundary between the antiferromagnetic and high-field magnetic phases was calculated. The existence domain of the intermediate magnetic state was determined in the H-T coordinates. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3660219]
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aplesnin S. S., Kretinin V. V., Panasevich A. M., Yanushkevich K. I.
Заглавие : Magnetic capacitance of the GdxBi1-xFeO3 thin films
Коллективы : Russian Foundation for Basic Research [15-42-04099 r_sibir'_a, 16-52-00045 Bel_a, 16-42-240436 r_a]; [114090470016]
Место публикации : Phys. Solid State: MAIK Nauka-Interperiodica / Springer, 2017. - Vol. 59, Is. 4. - P.667-673. - ISSN 1063-7834, DOI 10.1134/S1063783417040047. - ISSN 1090-6460(eISSN)
Примечания : Cited References:19. - This study was supported by the Russian Foundation for Basic Research, projects nos. 15-42-04099 r_sibir'_a, 16-52-00045 Bel_a, and 16-42-240436 r_a and the state order no. 114090470016.
Предметные рубрики: BiFeO3
Domains
Аннотация: The capacitance, inductance, and dissipation factor of the GdxBi1–xFeO3 films were measured in the temperature range of 100 K T 800 K in magnetic fields of up to 8 kOe at frequencies of 0.1–100 kHz. The magnetic susceptibility maxima in the low-temperature region and dependences of the relaxation time and inductance on prehistory of the films cooled in zero and nonzero magnetic fields are established. The giant increase in magnetic capacitance in the external bias electric field is found. The results obtained are explained by the domain structure transformation in external electric and magnetic fields.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aplesnin S. S., Masyugin A. N., Kretinin V. V., Yanushkevich K. I.
Заглавие : References regulating the BiMnxFe1-xO3 film conductivity upon cooling in magnetic and electric fields
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-52-00009 bel_a, 18-32-00079 mol_a, 3.5743.2017/6.7]
Место публикации : Mater. Res. Express. - 2019. - Vol. 6, Is. 11. - Ст.116125. - ISSN 2053-1591, DOI 10.1088/2053-1591/ab4ec7
Примечания : Cited References: 19. - This study was supported by the Russian Foundation for Basic Research project no. 18-52-00009 bel_a, No. 18-32-00079 mol_a. This work is part of the research program the state order No. 3.5743.2017/6.7.
Предметные рубрики: DOMAINS
Аннотация: The magnetic and electrical properties of the BiFe1-xMnxO3 (x = 0.05, 0.15) films in the temperature range of 80–600 K have been investigated. The Curie temperature (Tc) of the films has been determined. A decrease in the conductivity of the films with x = 0.05 upon cooling in an electric field from the temperatures T ˂ Tc has been found. This effect has been described in the model of decreasing quantum well (domain wall) density and the tunneling coefficient drop. A decrease in the conductivity of the BiFe1-xMnxO3 film by more than an order of magnitude upon cooling from high temperatures in a magnetic field has been established. The experimental data are interpreted using the magnetic-field-induced magnetic structure variation and exchange splitting of the impurity subband.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Valsecchi, Jacopo, White, Jonathan S., Bartkowiak M., Treimer, Wolfgang, Kim, Youngju, Lee, Seung Wook, Gokhfeld D. M., Harti, Ralph P., Morgano, Manuel, Strobl, Markus, Grunzweig C.
Заглавие : Visualization of compensating currents in type-II/1 superconductor via high field cooling
Коллективы : Swiss National Science FoundationSwiss National Science Foundation (SNSF) [162582]; Korean-Swiss Science and Technology Programme [EG-KR-11-92017]
Место публикации : Appl. Phys. Lett. - 2020. - Vol. 116, Is. 19. - Ст.192602. - ISSN 0003-6951, DOI 10.1063/5.0004438. - ISSN 1077-3118(eISSN)
Примечания : Cited References: 38. - This work was partially funded by the Swiss National Science Foundation under Project No. 162582 and the Korean-Swiss Science and Technology Programme under Project No. EG-KR-11-92017. We gratefully acknowledge C. Carminati, M. D. Siegwart, M. Raventos, S. Samothrakitis, F. M. Piegsa, E. Lehmann, and C. Ruegg for fruitful discussions. We also thank M. Zolliker, S. Fischer, P. Schurter, S. Stamm, U. Filges, P. Hautle, J. Hovind, and M. Schild for technical support.
Предметные рубрики: DOMAINS
Аннотация: The morphology of vortex lattice domains in bulk type-II/1 superconductors is of central interest for many areas such as fundamental condensed matter physics, engineering science, and the optimization of materials for high transport current superconductivity applications. Here, we present a comprehensive experimental study of a single crystal niobium in the intermediate mixed state and Shubnikov phase with two complementary neutron techniques: high resolution polarized neutron imaging and small-angle neutron scattering. In this way, we were able to identify and visualize the occurrence of compensating currents, the flux line closure, and the freezing of the vortex spacing during the process of field cooling and high field cooling. With the combination of complementary neutron techniques, it was possible to add insights into the quest for the understanding of the flux pinning and nucleation of vortices in type-II/1 superconductors during the process of field cooling and high field cooling.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Parshin A. M., Barannik A. V., Zyryanov V. Ya., Shabanov V. F.
Заглавие : Light interference in a hybrid-aligned nematic layer with nonordered surface disclination lines
Место публикации : J. Opt. Soc. Am. B. - 2020. - Vol. 37, Is. 7. - P.2053-2057. - ISSN 0740-3224, DOI 10.1364/JOSAB.395976. - ISSN 1520-8540(eISSN)
Примечания : Cited References: 19
Предметные рубрики: LIQUID-CRYSTAL
SCATTERING
DEFECTS
DOMAINS
Аннотация: The propagation of a laser beam through a hybrid-aligned nematic layer with a surface disclination line has been investigated. A model of the light interference has been developed to consider the scattering by the structural inhomogeneities. The analytical expression that includes the factor characterizing an exponential decrease in the light scattering has been obtained. The dependence of the intensity of light transmitted through the layer on the magnetic field has been measured. The dependence has been accompanied by the interference oscillations. The theoretical expression is consistent with the experiment, which confirms the correctness of the model concepts.
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