Monte Carlo Modeling of Magnetic Phase Transitions in Amorphous Alloys of the Re–Gd System


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Abstract

A Monte Carlo study of the magnetic properties of simulated amorphous alloys of the Re–Gd system is performed using the Heisenberg model. The temperature dependences of spontaneous magnetization, magnetic susceptibility, and the Edwards–Anderson order parameter are calculated. The dependence of the temperature of the transition to the spin-glass state on the concentration of gadolinium atoms is constructed. The transition to the spin-glass state in Re–Gd amorphous alloys occurs only above the percolation threshold in this system.

About the authors

A. V. Bondarev

Voronezh State Technical University

Author for correspondence.
Email: bondarev_a_v@mail.ru
Russian Federation, Voronezh, 394026

I. M. Pashueva

Voronezh State Technical University

Email: bondarev_a_v@mail.ru
Russian Federation, Voronezh, 394026

V. V. Ozherelyev

Voronezh State Technical University

Email: bondarev_a_v@mail.ru
Russian Federation, Voronezh, 394026

I. L. Bataronov

Voronezh State Technical University

Email: bondarev_a_v@mail.ru
Russian Federation, Voronezh, 394026

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