Thermally assisted current-induced magnetization reversal in SrRuO3

被引：3
|
作者：
Shperber, Yishai [1 ]
Sinwani, Omer [1 ]
Naftalis, Netanel [1 ]
Bedau, Daniel [2 ]
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] HGST, San Jose, CA 95315 USA
来源：
PHYSICAL REVIEW B | 2013年 / 87卷 / 11期
基金：
以色列科学基金会;
关键词：
ELECTRIC-CURRENT; DOMAIN-WALL; SPIN-WAVES; MULTILAYER; EXCITATION; DRIVEN; DYNAMICS; FILMS;
D O I：
10.1103/PhysRevB.87.115118
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We inject a sequence of 1 ms current pulses into uniformly magnetized patterns of the itinerant ferromagnet SrRuO3 until a magnetization reversal is detected. We detect the effective temperature during the pulse and find that the cumulative pulse time tau required to induce magnetization reversal depends exponentially on 1/T. In addition, we find that tau also depends exponentially on the current amplitude. These observations indicate current-induced magnetization reversal assisted by thermal fluctuations. DOI: 10.1103/PhysRevB.87.115118
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收藏
页数：4
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