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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zhigalov V. S., Ivantsov R. D., Edelman I. S., Seredkin V. A., Frolov G. I., Bondarenko G. V.
Заглавие : Faraday effect in nanogranular Co-Sm-O films
Место публикации : Phys. Solid State: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2005. - Vol. 47, Is. 6. - P1129-1133. - ISSN 1063-7834, DOI 10.1134/1.1946868
Примечания : Cited References: 13
Предметные рубрики: ROTATION
CO/SIO2
Аннотация: The Faraday effect (FE) was studied in Co-Sm-O composite films consisting of nanoparticles of metallic cobalt embedded in a samarium oxide dielectric matrix. The volume of the magnetic phase was similar to 60%. The FE spectral dependence for the condensates studied revealed a substantial change as compared to that for bulk cobalt samples, as well as for the films of nanocrystalline Co and CoSm films prepared in this study. An enhancement of the FE was also observed in the short-wavelength part of the optical spectrum. (c) 2005 Pleiades Publishing, Inc.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Edelman I. S., Zhigalov V. S., Ivantsov R. D., Seredkin V. A., Zharkov S. M., Prokof'ev D. E., Frolov G. I., Bondarenko G. N.
Заглавие : Structure and the magnetic and magneto-optical properties of Co-Sm-O nanogranular films
Коллективы :
Место публикации : Phys. Solid State: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2008. - Vol. 50, Is. 11. - P2109-2114. - ISSN 1063-7834, DOI 10.1134/S1063783408110176
Примечания : Cited References: 15. - We would like to thank G. V. Bondarenko for the performance of the x-ray fluorescence measurements of the samples under investigation.This study was supported by the Russian Foundation for Basic Research (project no. 07-02-92174) and performed within the framework of the Program "Development of the Scientific Potential of the Higher School" (project no. 2.1.1.7376). R.D. Ivantsov acknowledges the support of the Russian Science Support Foundation.
Предметные рубрики: FARADAY-ROTATION
GRANULAR FILMS
MAGNETORESISTANCE
CO/SIO2
Ключевые слова (''Своб.индексиров.''): 75--50--tt--75--70---i--78--20--ls
Аннотация: The magnetic properties and magneto-optical effects in nanocomposites based on Co-Sm-O films prepared through pulsed plasma sputtering of a SmCo(5) target are investigated. It is shown that, depending on the technological conditions and regimes of subsequent annealing, the films can have different structures from cobalt nanoparticles distributed in the dielectric samarium oxide matrix with a magnetic phase volume of more than 60% to a continuous polycrystalline cobalt film with embedded samarium oxide nanoparticles. The evolution of the spectra of the magneto-optical Kerr effect and the field dependences of the magnetization is studied as a function of the film structure.
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