STABILITY OF MAGNETIC NANOWIRES AGAINST SPIN-POLARIZED CURRENT

被引：6
|
作者：
Kravchuk, V. P. [1 ]
机构：
[1] Nat Acad Sci Ukraine, Bogolyubov Inst Theoret Phys, 14B,Metrolohichna Str, UA-03680 Kiev, Ukraine
来源：
UKRAINIAN JOURNAL OF PHYSICS | 2014年 / 59卷 / 10期
关键词：
magnetic nanowire; spin-current; spintronics; soliton;
D O I：
10.15407/ujpe59.10.1001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The stability of the ground magnetization state of a thin magnetic nanowire against a longitudinal spin-polarized current is studied theoretically with the dipole-dipole interaction taken into account. The critical current, i.e. the minimum current, at which the instability of the ground state develops, is determined. The dependence of the critical current on the size and the shape of a transversal wire cross-section is clarified. Theoretical predictions are confirmed by numerical micromagnetic simulations.
引用
收藏
页码：1001 / 1006
页数：6
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