Scenarios of magnetization reversal of thin nanowires

被引：0
|
作者：
A. A. Ivanov
V. A. Orlov
机构：
[1] Siberian Federal University,
[2] Krasnoyarsk State Pedagogical University named after V. P. Astaf’ev,undefined
来源：
Physics of the Solid State | 2015年 / 57卷
关键词：
Domain Wall; External Magnetic Field; Coercive Force; Magnetization Reversal; Anisotropy Field;
D O I：
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中图分类号：
学科分类号：
摘要：
The mechanism of magnetization reversal of a nanowire through the displacement of domain walls and the mechanism of magnetization reversal through the growth of nuclei of the reverse phase have been investigated. It has been found that the displacement of domain walls pinned by magnetic inhomogeneities is similar to the displacement of domain walls in the bulk material, whereas the magnetization reversal by means of the nucleation is fundamentally different. The threshold of the catastrophic growth of a nucleus has been revealed and analyzed. The walls bounding the nucleus have an anomalously low mobility. An explanation of the low mobility of the nucleus boundaries has been proposed.
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页码：2204 / 2212
页数：8
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