Magnetic properties of multicomponent system alloys (Er1-xYx)0.8Sm0.2Fe2

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Abstract

Synthesis and studies of atomic crystal structure and magnetic properties of a new multicomponent system alloys (Er1-xYx)0.8Sm0.2Fe2 in which the substitution parameter x = 0, 0.2, 0.4, 0.6, 0.8, 1.0 have been carried out. It is shown that in the region 0.2 < xcomp < 0.4 the phenomenon of full magnetic compensation can be expected. The Er0.8Sm0.2Fe2 alloy demonstrates the phenomenon of magnetization compensation as a function of temperature at Tcomp = 400 K.

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About the authors

Z. S. Umkhaeva

Ibragimov Complex Institute of the Russian Academy of Sciences

Author for correspondence.
Email: zargan.umhaeva@yandex.ru
Russian Federation, Grozny

A. Yu. Karpenkov

Tver State University

Email: zargan.umhaeva@yandex.ru
Russian Federation, Tver

I. S. Tereshina

Lomonosov Moscow State University

Email: zargan.umhaeva@yandex.ru
Russian Federation, Moscow

N. Yu. Pankratov

Lomonosov Moscow State University

Email: zargan.umhaeva@yandex.ru
Russian Federation, Moscow

I. M. Aliev

Ibragimov Complex Institute of the Russian Academy of Sciences

Email: zargan.umhaeva@yandex.ru
Russian Federation, Grozny

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2. Fig. 1. Concentration dependences of the lattice parameter and Curie temperature of alloys of the (Er1-xYx)0.8Sm0.2Fe2 system.

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3. Fig. 2. Temperature dependences of magnetization of alloys of the (Er1-xYx)0.8Sm0.2Fe2 system in a field of µ0N = 1 T. Insert: concentration dependence of magnetization at T = 300 K for the (Er1-xYx)0.8Sm0.2Fe2 system.

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4. Fig. 3. Calculated dependence of the total magnetic moment µcalc on the yttrium concentration x for alloys of the (Er1-xYx)0.8Sm0.2Fe2 system.

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5. Fig. 4. Dependence of the magnetization of the Er (curve 1) and Fe (curve 2) sublattices in ErFe2 on the reduced temperature (see work [12]).

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