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Hysteresis properties of two-dimensional spin systems

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Author(s): A.Yu. Polyakov | T.V. Lyutyy | A.V. Rot-Serov

Journal: Journal of Nano- and Electronic Physics
ISSN 2077-6772

Volume: 1;
Issue: 1;
Start page: 16;
Date: 2009;
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Keywords: Two-Dimensional Spin Systems | Core-Shell Particle | Coercitivity | Exchange Bias Field | Magnetic Hysteresis

ABSTRACT
We present the numerical results of the temperature, the core radius, and the exchange interaction constant influence on the coercitivity and the exchange bias field of the core-shell spin system. We clarified, that the coercitivity disappeared and the exchange bias reduced with the temperature. It is shown, that the coercitivity grows with the core radius. At the same time, the exchange bias field shows the non-uniform dependence, because it is a function of outer layer type. When the constant of the exchange interaction grows, the absolute value of the exchange bias field increases as well, but the coercitivity decreases.
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