Magnetization Processes of Nanoparticles Embedded into Ferromagnetic Matrix

• Authors: G. Ziółkowski , A. Chrobak
• Languages of publication: EN

Abstracts

EN

The paper refers to computer simulations of interactions between magnetically hard particle embedded into ultra-hard matrix. We used simulated annealing and Monte Carlo simulations in a frame of the 3D Heisenberg model. The performed simulations reveal that the particles show additional exchange anisotropy dependent on "frozen" spin direction in the matrix and the angle between matrix and particle easy magnetization axes. The particle-matrix coupling are responsible for multi-phase magnetic hysteresis shape and exchange-bias like effect.

Keywords

EN

81.07.Bc; 75.50.Tt; 75.60.-d; 75.78.Cd

Discipline

• 75.60.-d: Domain effects, magnetization curves, and hysteresis(for dynamics of domain structures, see 75.78.Fg)
• 75.50.Tt: Fine-particle systems; nanocrystalline materials
• 81.07.Bc: Nanocrystalline materials
• 75.78.Cd: Micromagnetic simulations

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 127
• Issue: 2
• Pages: 597-599

Dates

published

2015-02

Contributors

author

G. Ziółkowski

• Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland

author

A. Chrobak

• Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland

References

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Identifiers

DOI

10.12693/APhysPolA.127.597