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Найдено документов в текущей БД: 96

    Hysteresis loops of MgB2 + Co composite tapes
/ E. Altin [et al.] // J. Mater. Sci.: Mater. Electron. - 2013. - Vol. 24, Is. 4. - P. 1341 - 1347DOI 10.1007/s10854-012-0931-2 . -

Аннотация: The (MgB2)1-xCox composite tapes fabricated by the ex situ PIT method were investigated. The structural and magnetic properties were characterized. Only MgB2 and Co phases were observed in the composites while x B 0.2. A superconducting transition temperature was stable for these samples. Enhancement of the critical current density is found for x = 0.1.
Fen Edebiyat Fakultesi Fizik Bolumu, Superiletkenlik Arastirma Grubu, Inonu Universitesi, 44280 Malatya, Turkey

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Держатели документа:
Bilimsel ve Teknolojik Aras¸tırma Merkezi, Inonu Universitesi, 44280 Malatya, Turkey

Доп.точки доступа:
Altin, E.; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Altin, S.; Yakinci, M.E.

    Structure and magnetism of copper substituted cobalt ludwigite Co3O2BO3
/ N. B. Ivanova [et al.] // Физ. низких температур. - 2013. - Т. 39, Вып. 8. - P. 913-918 ; Fiz. Nizk. Temp. - 2013. - Vol. 39, Is. 8. - P. 913-918
   Перевод заглавия: Структура и магнетизм замещенного медью кобальтового людвигита Co3O2BO3
Аннотация: The single crystals Co3O2BO3 with partial (4%) substitution of Co by Cu ions were synthesized by the flux technique. X-ray diffraction and magnetic properties investigations were carried out. The x-ray diffraction meas-urements have shown that Cu clearly prefers only one from four nonequivalent crystallographic positions with the smallest electric field gradient. The ferrimagnetic ordering near TN = 43 K and high magnetic hardness in this magnetic phase are similar to Co3O2BO3. The small reduction of the effective magnetic moment was revealed under copper substitution.
Монокристаллы кобальтового людвигита с частичным (4%) замещением кобальта Со медью Cu были синтезированы раствор-расплавным методом. Были проведены рентгено-структурный анализ и измерение магнитных свойств. Рентгеновские измерения показывают, что медь явно предпочитает только одно от четырех неэквивалентных кристаллографических положений с самым маленьким градиентом электрического поля. Ферримагнетик, упорядочивающийся около TN = 43 K, с высокой магнитной твердостью - в этом магнитная фаза подобна Co3O2BO3. Показано, что при замещении медью проявляется небольшое сокращение эффективного магнитного момента.

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Доп.точки доступа:
Ivanova, N. B.; Иванова, Наталья Борисовна; Kazak, N. V.; Казак, Наталья Валерьевна; Knyazev, Yu.V.; Князев Юрий Владимирович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Vasil'ev, A. D.; Васильев, Александр Дмитриевич; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Platunov, M. S.; Платунов, Михаил Сергеевич


    Микромагнитное моделирование и численный анализ процессов перемагничивания двухслойных тонкопленочных структур ферромагнетик/антиферромагнетик
/ Б. А. Беляев [и др.] // Изв. вузов. Физика. - 2013. - Т. 56, № 8/2. - С. 230-232. - Работа выполнена при финансовой поддержке ФЦП «Научные и научно-педагогические кадры инновационной России 2009−2013»
   Перевод заглавия: Micromagnetic simulation and numerical analysis of magnetization reversal processes in thin-film ferromagnetic/antiferromagnetic bilayer
Аннотация: На основе численного микромагнитного моделирования проведено исследование процессов перемагничивания двухслойных тонкопленочных структур ферромагнетик/антиферромагнетик. Сделан анализ влияния параметров структуры на величину поля обменного сдвига и коэрцитивной силы. Результаты расчета сравниваются с экспериментальными и теоретическими данными.
On the basis of the numerical micromagnetic simulation the study of magnetization reversal processes in thin-film ferromagnetic/antiferromagnetic bilayers was performed. The analysis of influence of parameters of the structure on exchange bias field and coercive force was carried out. Calculation results are compared with experimental and theoretical data.

Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Изотов, Андрей Викторович; Izotov, A.V.; Беляев, Борис Афанасьевич; Belyaev, B. A.; Соловьев, Платон Николаевич; Волошин, Александр Сергеевич; Voloshin, A. S.

    Transformation of hysteresis loops of a superconductor with magnetic inclusions
[Текст] / D. M. Gokhveld, S. Altin // V Euro-Asian simposium "Trend in MAGnetism": Nanomagnetism : abstracts. - Vladivostok : FEFU, 2013. - P. 258 . - ISBN 978-5-7444-3124-2



Доп.точки доступа:
Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Алтин, С. ; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; Sept. ; 15-21 ; Vladivostok)

    Magnetism and magnetoresistance in NiFe/Bi/NiFe films
/ K. G. Patrin [et al.] // Diffusion and Defect Data Pt.B: Solid State Phenomena. - 2012. - Vol. 190. - P. 439-442, DOI 10.4028/www.scientific.net/SSP.190.439 . - ISBN 1012-0394. - ISBN 9783037854365
Аннотация: Interlayer interactions in FeNi/Bi/FeNi trilayers have been experimentally studied. Based on the data of SQUID magnetometry and magnetic resonance investigations, it is shown that the interlayer interaction is determined by a bismuth spacer thickness and temperature. The giant magnetoresistive effect in the trilayer films has been discovered. В© (2012) Trans Tech Publications.

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Доп.точки доступа:
Patrin, K. G.; Патрин, Константин Геннадьевич; Yakovchuk, V.Yu.; Яковчук, Виктор Юрьевич; Patrin, G. S.; Патрин, Геннадий Семёнович; Yarikov, S. A.; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)

    Raman scattering study of temperature and hydrostatic pressure phase transitions in Rb2KTiOF5 crystal
/ A. S. Krylov [et al.] // J. Raman Spectrosc. - 2012. - Vol. 43, Is. 4. - P. 577-582, DOI 10.1002/jrs.3071. - Cited References: 24. - This work was partly supported by integration project SB RAS No 101, Russian Foundation for Basic Research project No 11-02-98002-r_siberia, No 09-02-00062, SS-4645.2010.2. . - ISSN 0377-0486
РУБ Spectroscopy

Аннотация: Raman spectra of Rb2KTiOF5 crystal were obtained and analyzed in the temperature range from 77 to 297 K and under hydrostatic pressure up to 4.2 GPa (at T = 295 K). The experimental results were compared with quantum-chemical simulation of TiOF5 pseudo-octahedron. To interpret effects of lattice ordering, phonon spectra of several ordered phases of Rb2KTiOF5 were calculated within ab initio generalized Gordon–Kim model, and ordering of TiOF5 molecular groups were simulated within Monte Carlo approach. The spectra exhibited orientation disordering in the cubic phase under ambient conditions. Cooling below the phase transition temperature (215 K) leads to partial ordering of the structure. The isotropic perovskite-like phase was found to undergo first-order transition into a low-symmetry anisotropic phase at about 1 GPa. Further compression up to 4.1 GPa did not show any effects associated with phase transitions. Copyright © 2011 John Wiley & Sons, Ltd.

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Держатели документа:
[Krylov, A. S.
Vtyurin, A. N.
Krylova, S. N.
Sofronova, S. N.
Voronov, V. N.
Babushkin, S. V.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Goryainov, S. V.] Inst Mineral & Petrogaphy, Novosibirsk 630090, Russia
[Laptash, N. M.
Emelina, T. B.] Russian Acad Sci, Inst Chem, Vladivostok 690022, Russia

Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Goryainov, S. V.; Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylova, S. N.; Крылова, Светлана Николаевна; Sofronova, S. N.; Софронова, Светлана Николаевна; Laptash, N. M.; Emelina, T. B.; Voronov, V. N.; Воронов, Владимир Николаевич; Babushkin, S. V.

    Correlation between magnetoresistance and magnetization hysteresis in a granular high-T C superconductor: Impact of flux compression in the intergrain medium
/ D. A. Balaev, S. V. Semenov, M. I. Petrov // J. Supercond. Nov. Magn. - 2014. - Vol. 27, Is. 6. - P. 1425-1429, DOI 10.1007/s10948-014-2491-6. - Cited References: 27 . - ISSN 1557-1939. - ISSN 1557-1947
РУБ Physics, Applied + Physics, Condensed Matter

Аннотация: The correlation between experimental magnetic field dependences of magnetoresistance and magnetization hysteresis in granular YBa2Cu3O7 is established. Within the proposed approach, magnetoresistance is assumed to be determined by the effective field in the intergrain boundaries the ensemble of which is considered to be a Josephson medium. The effective field in the intergrain medium can be written in the form B (eff)(H)=H-4 pi M(H)x alpha, where alpha is the parameter of averaged demagnetizing factors of grains and the degree of flux compression. A comparison of experimental magnetoresistance R(H) and magnetization M(H) hysteresis dependences obtained at different external magnetic field sweep rates yields the value alpha similar to 10, which is caused by the flux compression between grains. The proposed model describes well most of the features of the magnetoresistance hysteresis in granular high-T (C) superconductors.

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Доп.точки доступа:
Semenov, S. V.; Семёнов, Сергей Васильевич; Petrov, M. I.; Петров, Михаил Иванович; Балаев, Дмитрий Александрович

    Implementation of the Astrov method for measuring the ME E effect with the use of a vibrating-coil magnetometer
/ A. D. Balaev, A. L. Freydman // J. Surf. Invest. - 2014. - Vol. 8, Is. 1. - P. 17-19, DOI 10.1134/S1027451014010078. - Cited References: 12 . - ISSN 1027-4510. - ISSN 1819-7094

Рубрики:
Surfaces and Interfaces, Thin Films
Кл.слова (ненормированные):
Ac voltage -- External fields -- Magnetization hysteresis -- Repolarization -- Temperature dependence

Аннотация: A setup is developed for measuring the ME E effect by fixing the amplitude of magnetization oscillations upon the repolarization of a sample, caused by the application of ac voltage to the sample plates. The temperature dependence of the ME E effect in a Ga2 - xFexO3 single-crystal sample is measured in external fields from 0.25 to 1 kOe at temperatures from 77.4 to 280 K. It is established that the effect disappears when the Curie temperature is attained. The hysteresis of the magnetoelectric effect related to the magnetization hysteresis is measured. © 2014 Pleiades Publishing, Ltd.

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Доп.точки доступа:
Freydman, A. L.; Фрейдман, Александр Леонидович; Балаев, Александр Дмитриевич

    Magnetic properties and the mechanism of formation of the uncompensated magnetic moment of antiferromagnetic ferrihydrite nanoparticles of a bacterial origin
/ D. A. Balaev [et al.] // J. Exp. Theor. Phys. - 2014. - Vol. 119, Is. 3. - P. 479-487, DOI 10.1134/S1063776114080044. - Cited References: 42. - This work was supported by the Ministry of Education and Science of the Russian Federation (state contract in 2014-2016) and a program of the Siberian Branch of the Russian Academy of Sciences. . - ISSN 1063-7761. - ISSN 1090-6509
РУБ Physics, Multidisciplinary

Аннотация: The magnetic properties of the superparamagnetic ferrihydrite nanoparticles that form as a result of the vital activity of Klebsiella oxytoca bacteria are studied. Both an initial powder with an average number of iron atoms N Fe ∼ 2000–2500 in a particle and this powder after annealing at 140°C for 3 h in air are investigated. The following substantial modifications of the magnetic properties of the ferrihydrite nanoparticles are detected after annealing: the superparamagnetic blocking temperature increases from 23 to 49.5 K, and the average magnetic moment of a particle increases (as follows from the results of processing of magnetization curves). The particles have antiferromagnetic ordering, and the magnetic moment resulting in the superparamagnetism of the system appears due to random spin decompensation inside the particle. For this mechanism, the number of uncompensated spins is proportional to the number of magnetically active atoms raised to the one-half power, and this relation holds true for the samples under study at a good accuracy. The possible causes of the detected shift of magnetic hysteresis loops at low temperatures upon field cooling are discussed.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660041, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, Int Sci Ctr Extreme States Organisms, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Krasikov, A. A.; Красиков, Александр Александрович; Dubrovskii, A. A.; Дубровский, Андрей Александрович; Semenov, S. V.; Семёнов, Сергей Васильевич; Bayukov, O. A.; Баюков, Олег Артемьевич; Stolyar, S. V.; Столяр, Сергей Викторович; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Ladygina, V. P.; Ладыгина, Валентина Петровна; Ishchenko, L. A.; Ищенко, Л. А.; Ministry of Education and Science of the Russian Federation; Siberian Branch of the Russian Academy of Sciences

    Вращательный гистерезис магнитострикции в ферромагнетиках
[Текст] / Л. В. Киренский, В. С. Афошин // Изв. АН СССР, Сер. физ. - 1961. - Т. 25, № 12. - С. 1492-1494. - Библиогр.: 2 назв.
   Перевод заглавия: Rotational hysteresis of magnetostriction in ferromagnetics


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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Афошин, В. С.; Afoshin, V. S.; Kirensky, L. V.; Совещание по ферромагнетизму и антиферромагнетизму(1961 ; 5-11 мая ; Ленинград)

    Исследование упругого гистерезиса, термоупругого эффекта в никеле и никель-кремнистых сплавах
[Текст] / Л. В. Киренский, З. М. Патюкова // Изв. АН СССР, Сер. физич. - 1964. - Т. 28, № 1. - С. 198-201. - Библиогр.: 8 назв. - Phys. Abstr. - 1966. - Vol. 69, 5593
   Перевод заглавия: Investigation of elastic hysteresis of the thermoelastic effect in nickel and nickel-silicon alloys


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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Вонсовский, Сергей Васильевич \предс. орг. ком.\; Патюкова, З. М.; Kirenskii, L. V.; Симпозиум по вопросам ферро- и антиферромагнетизма (1962 ; 25 июня - 7 июля ; Красноярск)

    Temperature evolution of the hysteresis in the current-voltage characteristic of a polycrystalline high-temperature superconductor with 1-2-3 structure
/ M. I. Petrov [et al.] // Phys. Solid State. - 2002. - Vol. 44, Is. 7. - P. 1229-1234, DOI 10.1134/1.1494614. - Cited References: 38 . - ISSN 1063-7834
РУБ Physics, Condensed Matter

Аннотация: The temperature evolution of the current-voltage (I-U) characteristic of a contact of the break-junction type with direct conduction is investigated on a polycrystalline HTSC of the Y-Ba-Cu-O system. The experimental I-U characteristics possessing a hysteresis are correctly described in the framework of the Kummel-Nicolsky theory for an S-N-S contact (S stands for a superconductor; N, for a normal metal) in which the Andreev reflection of quasiparticles from the N-S interface is considered. It is shown that the shape of the I-U curve, as well as the existence of a hysteresis, is determined by the ratio of the number of "long" and "short" intergranular boundaries in the polycrystal under investigation. The coincidence of the calculated and experimental I-U curves made it possible to estimate the effective length of "natural" intergranular boundaries in polycrystalline HTSC materials. The estimate is obtained from the experimental temperature dependence of the critical current in the sample under investigation. (C) 2002 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia

Доп.точки доступа:
Петров, Михаил Иванович; Petrov, M. I.; Balaev, D. A.; Балаев, Дмитрий Александрович; Gokhfel'd, D. M.; Гохфельд, Денис Михайлович; Шайхутдинов, Кирилл Александрович; Shaikhutdinov, K. A.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич

    A study of the hysteresis property of the current voltage characteristic in high-temperature superconductors
/ М. И. Петров [et al.] // Solid State Commun. - 1992. - Vol. 82, Is. 6. - P. 453-456, DOI 10.1016/0038-1098(92)90748-X. - Cited References: 21 . - ISSN 0038-1098
РУБ Physics, Condensed Matter

Аннотация: Temperature measurements of current-voltage characteristics (CVC) of the (Y, Lu)1Ba2Cu3O7-delta high-temperature superconductor have been performed. Analysis of the data shows that CVC of HTSC is mainly formed by two mechanisms: the creep of the Abrikosov vortices inside the crystallites and the Andreev reflection of the carriers within the metal character boundary between the crystallites.

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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Петров, Михаил Иванович; Petrov, M. I.; Krivomazov, S. N.; Khrustalev, B. P.; Хрусталев, Борис Петрович; Aleksandrov, K. S.; Александров, Кирилл Сергеевич

    Formation, characterization and magnetic properties of maghemite γ-Fe2O3 nanoparticles in borate glasses
/ I. S. Edelman [et al.] // J. Alloys Compd. - 2015. - Vol. 624. - P. 60-67, DOI 10.1016/j.jallcom.2014.11.059. - Cited References: 25. - This work was supported partly by the Russian Foundation for Basic Research - Russia, Grant No. 14-02-01211-a and by the President of Russia Grant No. NSh-2886.2014.2. This work was performed using the equipment of Unique Scientific Facility "Kurchatov Synchrotron Radiation Source'' supported by the Russian Ministry of Science and Education (project code RFMEFI61914X0002). . - ISSN 0925-8388
РУБ Chemistry, Physical + Materials Science, Multidisciplinary + Metallurgy & Metallurgical Engineering

Аннотация: A new type of nanocomposite materials based on maghemite, γ-Fe2O3, nanoparticles dispersed in borate glasses co-doped with low contents of iron together with the larger radius element combinations: Y and Bi, or Sm and Pb, or Y and Pb is studied. Nanoparticles arise as a result of heat treatment of the glasses which gives them properties characteristic of magnetically ordered substances. Transmission electron microscopy and XRD show that only one magnetic phase, namely γ-Fe2O3 nanoparticles, occurs in glasses subjected to the thermal treatment at 540 °C during 24 h independently on the doping element nature. At the same time doping element and their concentrations ratio in every combination affect the particles average size and glass magnetic properties, such as magnetization temperature dependences, Faraday rotation value and electron magnetic resonance spectrum characteristics.

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Держатели документа:
RAS, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660036, Russia
NRC Kurchatov Inst, Moscow 123182, Russia
RAS, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
Novosibirsk State Univ, Novosibirsk 630090, Russia

Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivanova, O. S.; Иванова, Оксана Станиславовна; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Tarasov, I. A.; Тарасов, Иван Анатольевич; Zubavichus, Y. V.; Trofimova, N. N.; Zaikovskii, V. I.; Russian Foundation for Basic Research - Russia [14-02-01211-a]; President of Russia [NSh-2886.2014.2]; Russian Ministry of Science and Education [RFMEFI61914X0002]

    Conversion of magnetic anisotropy in electrodeposited Co-Ni alloy nanowires
/ A. S. Samardak [et al.] // J. Magn. Magn. Mater. - 2015. - Vol. 383. - P. 94-99, DOI 10.1010/j.jmmm.2014.10.047. - Cited References:24. - This work was supported in part by the Russian Ministry of Education and Science and Far Eastern Federal University. M.N acknowledges the student financial support of Iranian Nanotechnology Initiative Council. . - ISSN 0304. - ISSN 1873-4766
   Перевод заглавия: Конверсия магнитной анизотропии в электроосажденных нанонитях сплава CoNi
РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
COBALT NANOWIRES
   ARRAYS

Кл.слова (ненормированные):
Coercive force -- Magnetic anisotropy -- Magnetic hysteresis -- Binary alloy -- nanowires -- Alumina template -- Electrodeposition

Аннотация: In this paper, the influence of alternating current (ac) electrodeposition frequency and waveform is reported on chemical composition, microstructure and consequently magnetic properties of Co-Ni binary alloy nanowire arrays embedded in an alumina template. For sinusoidal and square electrodeposition waveforms the easy axis of magnetization rotates from being parallel to perpendicular orientation to nanowire long axis as the deposition frequency increases from 200 to 800 Hz. The reason for the drastic change of magnetic anisotropy in nanowires is attributed to the increase of cobalt content and the crystal structure phase transformation from fcc-hcp mixture at high Ni content to imp at high Co content. We explain the conversion of magnetic behavior of nanowire arrays in terms of a competition between the shape and magnetocrystalline anisotropies. (C) 2014 Elsevier B.V. All rights reserved.

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Держатели документа:
Far Eastern Fed Univ, Sch Nat Sci, Vladivostok, Russia.
Sahand Univ Technol, Fac Mat Engn, Tabriz, Iran.
SB Russian Acad Sci, Inst Phys, Krasnoyarsk, Russia.

Доп.точки доступа:
Samardak, A. S.; Nasirpouri, F.; Nadi, M.; Sukovatitsina, E. V.; Ognev, A. V.; Chebotkevich, L. A.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Russian Ministry of Education and Science; Far Eastern Federal University; Iranian Nanotechnology Initiative Council

    Magnetoresistance and magnetic properties CexMn1-xS
/ S. S. Aplesnin [et al.] // Solid State Phenom. : Selected, peer reviewed papers. - 2015. - Vol. 233-234: Achievements in Magnetism. - P. 419-422, DOI 10.4028/www.scientific.net/SSP.233-234.419 . - ISSN 1662-9779. - ISSN 978-3-038
Аннотация: The transport and magnetic properties of cation-substituted manganese sulphides CexMn1-ХS in the 4K - 450K temperature range in magnetic fields up to 90 kOe are studied. The hysteresis of curve magnetization for X=0.01 and nonlinear field behavior of the magnetization at X = 0.05, the sharp Curie temperature drop were found. The sharp maximum in the temperature dependence of resistivity was observed. The shift of the maximum temperature to low temperatures at cerium ion concentration increasing and in magnetic field was established. Model of orbital polaron for explanation of experimental datа was used.

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Perov, N. \ed.\; Semisalova, A. \ed.\; Aplesnin, S. S.; Аплеснин, Сергей Степанович; Sitnikov, M. N.; Romanova, O. B.; Романова, Оксана Борисовна; Eremin, E. V.; Еремин, Евгений Владимирович; Sokolov, V. V.; Соколов В. В.; Pichugin, A. Y.; Пичугин А. Ю.; Moscow International Symposium on Magnetism(6 ; 2014 ; June-July ; Moscow)

    Синтез и магнитные свойства пленок [(CoP)soft/NiP/(CoP)hard/ NiP]n
/ Г. С. Патрин [и др.] // Решетневские чтения : материалы XIX Междунар. науч. конф. : в 2-х ч. - 2015. - Ч. 1. - С. 539-541. - Библиогр.: 5 . - ISSN 1990-7702
   Перевод заглавия: Silicide FeSi investigation with the electron spectroscopy methods
Аннотация: В многослойных пленках Co-Ni-P обнаружено изменение формы петли намагничивания при сопряжении магнитомягкого и магнитожесткого слоев, введение немагнитной прослойки влияет на перемагничивание структуры. Делается вывод о необходимости учета биквадратичного взаимодействия при рассмотрении межслоевых взаимодействий.
While studying the Co-Ni-P multilayers we found the variation in the shape of magnetization loop at the conjugation of magnetically soft and magnetically hard layers. The insertion of a nonmagnetic spacer significantly affects magnetization reversal in the structure. We conclude that it is necessary to take into account the biquadratic interaction in studying the interlayer coupling.

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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Патрин, Геннадий Семёнович; Patrin, G. S.; Шиян, Ярослав Германович; Shiyan, Ya. G.; Патрин, Константин Геннадьевич; Patrin, K. G.; Юркин, Глеб Юрьевич; Yurkin, G. Yu.; "Решетневские чтения", международная научно-практическая конференция(19 ; 2015 ; нояб. ; 10-14 ; Красноярск)

    Synthesis and magnetic properties of [(CoP)soft/NiP/(CoP)hard/NiP]n films
/ G. S. Patrin [et al.] // J. Low Temp. Phys. - 2016. - Vol. 182, Is. 3-4. - P. 73-81, DOI 10.1007/s10909-015-1363-1. - Cited References: 25. - This study was supported by the Ministry of Education and Science of the Russian Federation for the Siberian Federal University, state Order No. 3.2534.2014/K and the Russian Foundation for Basic Research, Project No. 14-02-00238-a. . - ISSN 0022-2291
   Перевод заглавия: Синтез и магнитные свойства пленок [(CoP)soft/NiP/(CoP)hard/NiP]n
РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
Exchange
   Phase

   Model

Кл.слова (ненормированные):
Interlayer coupling -- Magnetic heterostructure -- Hysteresis loop -- Interlayer coupling -- Magnetic spring

Аннотация: Magnetic interactions in Co–Ni–P multilayers consisting of alternating magnetically soft and magnetically hard layers are experimentally investigated. The variation in the shape of magnetization loops at the conjugation of magnetically soft and magnetically hard layers and the saturation field oscillations with varying number of layer pairs are established. It is demonstrated that insertion of a nonmagnetic spacer significantly affects the magnetization reversal in the structure. It is concluded that in studying the interlayer coupling it is necessary to take into account the biquadratic interaction.

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Держатели документа:
L.V. Kirensky Institute of Physics, Siberian Branch of Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Prospect Svobodny, 79, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Shiyan, Ya. G.; Шиян, Ярослав Германович; Patrin, K. G.; Патрин, Константин Геннадьевич; Yurkin, G. Yu.; Юркин, Глеб Юрьевич

    Asymmetric hysteresis loops, critical current and scale
/ D. M. Gokhfeld // 9th International Workshop on Processing and Applications of Superconducting (RE)BCO Large Grain Materials (PASREG 2015) : book of abstacts. - 2015. - P65


Материалы конференции


Доп.точки доступа:
Гохфельд, Денис Михайлович; International workshop on processing and applications of superconducting (RE)BCO large grain materials(9 ; 2015 ; sept. ; 2-4 ; Liège, Belgium)

    Specific features of magnetic properties of ferrihydrite nanoparticles of bacterial origin: A shift of the hysteresis loop
/ D. A. Balaev [et al.] // Phys. Solid State. - 2016. - Vol. 58, Is. 2. - P. 287-292, DOI 10.1134/S1063783416020050. - Cited References: 23. - This study was supported by the Ministry of Education and Science of the Russian Federation within the state contract for 2014-2016. . - ISSN 1063-7834
РУБ Physics, Condensed Matter

Аннотация: The results of the experimental investigation into the magnetic hysteresis of systems of superparamagnetic ferrihydrite nanoparticles of bacterial origin have been presented. The hysteresis properties of these objects are determined by the presence of an uncompensated magnetic moment in antiferromagnetic nanoparticles. It has been revealed that, under the conditions of cooling in an external magnetic field, there is a shift of the hysteresis loop with respect to the origin of the coordinates. These features are associated with the exchange coupling of the uncompensated magnetic moment and the antiferromagnetic “core” of the particles, as well as with processes similar to those responsible for the behavior of minor hysteresis loops due to strong local anisotropy fields of the ferrihydrite nanoparticles. © 2016, Pleiades Publishing, Ltd.

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Держатели документа:
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50/38, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodny pr. 79, Krasnoyarsk, Russian Federation
International Laboratory of High Magnetic Fields and Low Temperatures, ul. Gajowicka 95, Wroclaw, Poland
International Scientific Centre for Organism Extreme States Research, Presidium of the Krasnoyarsk Scientific Centre of the Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Krasikov, A. A.; Dubrovskiy, A. A.; Дубровский, Андрей Александрович; Semenov, S. V.; Семёнов, Сергей Васильевич; Popkov, S. I.; Попков, Сергей Иванович; Stolyar, S. V.; Столяр, Сергей Викторович; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Ladygina, V. P.; Yaroslavtsev, R. N.