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.
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More From: Bulletin of the Russian Academy of Sciences: Physics
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