期刊
IEEE TRANSACTIONS ON MAGNETICS
卷 42, 期 10, 页码 2951-2953出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2006.878417
关键词
magnetic hysteresis; magnetostatics; modeling; nanotechnology
Two vector magnetometry techniques are described for characterizing the magnetic properties of the edges in long, straight magnetic stripes. The critical transverse field at which the edge magnetization saturates is determined by measuring hysteresis loops as a function of angle. The angular dispersion in the stripe edge direction is estimated from the remanence by measuring the angular width of the transition from one stability direction to the other. Experimental results are presented for two samples prepared through different lithography processes. These are compared to micromagnetic modeling results for both 90 degrees and tapered edges. Differences between measured and modeled results are likely due to thermal fluctuations and edge defects.
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