Current-induced magnetic instability in SrRuO3

被引：8
|
作者：
Feigenson, Michael [1 ]
Reiner, James W. [2 ]
Klein, Lior [1 ]
机构：
[1] Bar Ilan Univ, Dept Phys, Nanomagnetism Res Ctr, Inst Nanotechnol & Adv Mat, IL-52900 Ramat Gan, Israel
[2] Yale Univ, Dept Appl Sci, New Haven, CT 06520 USA
来源：
JOURNAL OF APPLIED PHYSICS | 2008年 / 103卷 / 07期
基金：
以色列科学基金会;
关键词：
D O I：
10.1063/1.2838627
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Current pulses injected into a fully magnetized region of the itinerant ferromagnet SrRuO3 destabilize the uniform state and induce the formation of a domain structure when the current density exceeds a certain threshold. We study the temperature and field dependence of the destabilizing current (I-ds) and compare the results with the temperature and field dependence exhibited by the current required for depinning domain walls in the same region (I-dp). We find a qualitative difference between I-ds and I-dp and suggest that I-ds may be related to current-induced nucleation. (c) 2008 American Institute of Physics.
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页数：3
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