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

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Abstract

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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About the authors

A. I. Sinkevich

Tver State University

Author for correspondence.
Email: Sinkevich.AI@tversu.ru
Russian Federation, Tver

M. B. Lyakhova

Tver State University

Email: Sinkevich.AI@tversu.ru
Russian Federation, Tver

A. Yu. Karpenkov

Tver State University

Email: Sinkevich.AI@tversu.ru
Russian Federation, Tver

E. M. Semenova

Tver State University

Email: Sinkevich.AI@tversu.ru
Russian Federation, Tver

D. Yu. Karpenkov

National University of Science and Technology MISIS

Email: Sinkevich.AI@tversu.ru
Russian Federation, Moscow

Yu. G. Pastushenkov

Tver State University

Email: Sinkevich.AI@tversu.ru
Russian Federation, 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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