Magnetic properties of the Y2(FexCo1-x)17 compounds

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Resumo

The results of magnetization curves analysis of Y2(FexCo1−x)17 compounds, measured in 300—923 K temperature interval along easy and hard magnetization direction, were represented. Magnetocrystalline anisotropy constants K1,2 of the samples were calculated. Temperature and compositional dependence of anisotropy constants K1,2 and saturation magnetization Ms were discussed. There is an increase of first anisotropy constant K1 value with the increase of relative samples iron concentration with maximum value of 5.1∙105 J·m-3 in x = 0.29 point, correspond to the middle of the easy-axis interval.

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Sobre autores

A. Sinkevich

Tver State University

Autor responsável pela correspondência
Email: Sinkevich.AI@tversu.ru
Rússia, Tver

M. Lyakhova

Tver State University

Email: Sinkevich.AI@tversu.ru
Rússia, Tver

A. Karpenkov

Tver State University

Email: Sinkevich.AI@tversu.ru
Rússia, Tver

E. Semenova

Tver State University

Email: Sinkevich.AI@tversu.ru
Rússia, Tver

D. Karpenkov

National University of Science and Technology MISIS

Email: Sinkevich.AI@tversu.ru
Rússia, Moscow

Yu. Pastushenkov

Tver State University

Email: Sinkevich.AI@tversu.ru
Rússia, Tver

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2. Fig. 1. Magnetization curves obtained for Y2(FexCo1-x)17 compounds (x = 0.07, 0.29, 0.50) at temperatures T = 300–923 K along (a, c, d) and perpendicular (b, d, e) to the easy magnetization axis.

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3. Fig. 2. Concentration (at T = 300 K) (a) and temperature (b, c) dependences of the first and second anisotropy constants for Y2(FexCo1-x)17 compounds.

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4. Fig. 3. Concentration (at T = 300 K) (a) and temperature (b) dependences of saturation magnetization Ms for the compound Y2(FexCo1-x)17.

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