| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Magnetization Reversal Process of Single Crystal α-Fe Containing a Nonmagnetic Particle |
| LI Yi1,3, XU Ben1, HU Shen-Yang2, LI Yu-Lan2, LI Qiu-Lin1,3, LIU Wei1,3** |
1School of Material Science and Engineering, Tsinghua University, Beijing 100084
2Pacific Northwest National Laboratory, Richland 99352, USA
3Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055
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| Cite this article: |
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LI Yi, XU Ben, HU Shen-Yang et al 2015 Chin. Phys. Lett. 32 067502 |
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Abstract The magnetization reversal process and hysteresis loops in a single crystal α-iron with nonmagnetic particles are simulated in this work based on the Landau–Lifshitz–Gilbert equation. The evolutions of the magnetic domain morphology are studied, and our analyses show that the magnetization reversal process is affected by the interaction between the moving domain wall and the existing nonmagnetic particles. This interaction strongly depends on the size of the particles, and it is found that particles with a particular size contribute the most to magnetic hardening.
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Received: 12 January 2015
Published: 30 June 2015
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| PACS: |
75.78.Cd
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(Micromagnetic simulations ?)
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75.60.Ej
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(Magnetization curves, hysteresis, Barkhausen and related effects)
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75.60.Ch
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(Domain walls and domain structure)
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75.30.Hx
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(Magnetic impurity interactions)
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75.50.Bb
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(Fe and its alloys)
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