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http://ir.ncue.edu.tw/ir/handle/987654321/18555
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| Title: | Short-circuiting Effect on the Magnetoresistance of Microstructured Permalloy Rings |
| Authors: | Chao, C. T.;Lin, L. K.;Wu, Jong-Ching;Wei, Zung-Hang;Lai, Mei-Feng;Chang, Ching-Ray |
| Contributors: | 物理學系 |
| Keywords: | Permalloy ring;Magnetoresistance;Domain wall;Vortex |
| Date: | 2007-03
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| Issue Date: | 2014-06-06T07:18:45Z
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| Publisher: | Elsevier |
| Abstract: | We present a systematic investigation of the current/voltage lead effect on magnetization reversal of microstructured permalloy rings. The magnetic rings with film thickness of 23 nm and outer/inner diameter of 5/3 μm, respectively, were patched by nonmagnetic gold leads designed with various angles, 10°, 20°, and 30°. Longitudinal magnetoresistance measurement was adopted to demonstrate the short-circuiting effect. The mechanism can be attributed to the formation of the vortex structures developed beneath the lead-covered areas, in which the vortex pair domain configuration was confirmed using a magnetic force microscopy. |
| Relation: | Journal of Magnetism and Magnetic Materials, 310(2) Part3: 1986-1988 |
| Appears in Collections: | [物理學系] 期刊論文
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