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Efficient demagnetization protocol for the artificial triangular spin ice
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DOI：10.1063/1.4819844.png)
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In this work, we study demagnetization protocols for an artificial spin ice in a triangular geometry. Our results show that a simple hysteresis-like process is very efficient in driving the system to its ground state, even for a relatively strong disorder in the system, confirming previous expectations. In addition, transitions between the magnetized state and the ground state were observed to be mediated by the creation and propagation of vertices that behave like magnetic monopoles pseudo-particles. This is an important step towards a more detailed experimental study of monopole-like excitations in artificial spin ice systems. (C) 2013 AIP Publishing LLC.
期刊
IF:
3.6
论文数:
10.4W
被引数:
17.8W
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引用论文
Direct observation of magnetic monopole defects in an artificial spin-ice system.png)
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