CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Magnetization plateaus and frequency dispersion of hysteresis on frustrated dipolar array |
Zhang You-Tian (张又天) |
National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China |
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Abstract Competings or frustrated interactions are common for condensed matter systems. In consideration of the effect of dipole–dipole interaction, the static properties of square lattice spin systems are investigated using the Wang–Landau algorithm. The dynamic hysteresis is also simulated using the Monte Carlo (MC) method. The step-like magnetization under a DC magnetic field and two distinct peaks in hysteresis dispersion under an AC magnetic field are observed. Then, the formation of the properties of the frustrated dipolar array are discussed.
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Received: 27 February 2015
Revised: 06 May 2015
Accepted manuscript online:
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PACS:
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75.60.-d
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(Domain effects, magnetization curves, and hysteresis)
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75.60.Ch
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(Domain walls and domain structure)
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75.60.Nt
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(Magnetic annealing and temperature-hysteresis effects)
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02.70.Uu
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(Applications of Monte Carlo methods)
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Corresponding Authors:
Zhang You-Tian
E-mail: ytzhang@smail.nju.edu.cn
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Cite this article:
Zhang You-Tian (张又天) Magnetization plateaus and frequency dispersion of hysteresis on frustrated dipolar array 2015 Chin. Phys. B 24 087502
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