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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Frolov G. I., Kiparisov S. Ya., Seredkin V. A., Polyakova K. P., Patrin G. S., Zhigalov V. S., Balaev A. D.
Заглавие : Peculiarities of magnetization reversal in exchange-coupled ferro/ferromagnet NiFe/CoP film structures
Место публикации : Tech. Phys. Lett.: MAIK Nauka-Interperiodica / Springer, 2014. - Vol. 40, Is. 3. - P.245-248. - ISSN 1063-7850, DOI 10.1134/S1063785014030286. - ISSN 1090-6533
Примечания : Cited References: 9
Предметные рубрики: BILAYERS
Аннотация: The effect of layer thicknesses on the magnetic properties and mechanism of magnetization reversal in exchange-coupled NiFe/CoP film structures has been studied. The process of magnetization reversal was studied by analysis of the magnetic-induction and magneto-optical hysteresis loops. It is established that, as the thicknesses of layers in the NiFe/CoP film structure are increased, the system exhibits a transition from homogeneous magnetization reversal in the structure to exchange spring formation in the soft magnetic layer.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Frolov G. I., Seredkin V. A., Yakovchuk V. Y.
Заглавие : Parameters of the transition layer in the exchange-biased NiFe/DyCo film structure
Место публикации : Phys. Solid State: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2011. - Vol. 53, Is. 7. - P1348-1352. - ISSN 1063-7834, DOI 10.1134/S1063783411070109
Примечания : Cited References: 19. - This study was supported the Ministry of Education and Science of the Russian Federation within the Analytic Department Targeted Program "Development of the Scientific Potential of the Higher School" (project nos. RNP 2.1.1/4399 and RNP 2.1.1/3498).
Предметные рубрики: UNIDIRECTIONAL ANISOTROPY
BILAYERS
ANTIFERROMAGNET
FERROMAGNET
Аннотация: The parameters of the transition layer in exchange-biased film structures are necessary agents to understand the mechanism of formation of unidirectional anisotropy. The layer thickness in NiFe/DyCo films has been determined by comparison of signals of the polar magneto-optical Kerr effect from a reference DyCo film and a hard magnetic layer of the exchange-biased structure. The layer thickness obtained is one order of magnitude larger than that characteristic of ferromagnet-antiferromagnet bilayer films. The mechanism of magnetization reversal of the structure under study has been explained within the model suggesting the formation of 180A degrees boundaries in the interface.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Frolov G. I., Yakovchuk V. Y., Seredkin V. A., Iskhakov R. S., Stolyar S. V., Polyakov V. V.
Заглавие : Unidirectional anisotropy in ferromagnetic-ferrimagnetic film structures
Место публикации : Tech. Phys.: AMER INST PHYSICS, 2005. - Vol. 50, Is. 12. - P1605-1610. - ISSN 1063-7842, DOI 10.1134/1.2148562
Примечания : Cited References: 25
Предметные рубрики: BILAYERS
SENSORS
Аннотация: A mechanism of unidirectional anisotropy formation in an exchange-coupled ferromagnetic-ferrimagnetic film structure with orthogonal effective magnetizations in the layers is investigated. The reason for unidirectional anisotropy is the magnetic heterogeneity of the ferrimagnetic layer in the compensation range. Magnetization reversal in the magnetically soft layer of an (REE-transition metal)/NiFe film structure is discussed based on a model of uniform rotation of magnetization. It is found that unidirectional anisotropy sharply decreases the magnetic noise level in the magnetically soft layer. The field of application of these materials is outlined. (c) 2005 Pleiades Publishing, Inc.
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