Thermally activated in-plane magnetization rotation induced by spin torque

被引：2

作者：

Chotorlishvili, L. ^{[1
]}

Toklikishvili, Z. ^{[2
]}

Sukhov, A. ^{[1
]}

Horley, P. P. ^{[3
]}

Dugaev, V. K. ^{[1
,4
,5
,6
]}

Vieira, V. R. ^{[5
,6
]}

Trimper, S. ^{[1
]}

Berakdar, J. ^{[1
]}

机构：

[1] Univ Halle Wittenberg, Inst Phys, D-06120 Halle, Germany

[2] Tbilisi State Univ, Dept Phys, GE-0128 Tbilisi, Georgia

[3] Ctr Invest Mat Avanzados CIMAV SC, Chihuahua Monterrey 31109, Chihuahua, Mexico

[4] Rzeszow Univ Technol, Dept Phys, PL-35959 Rzeszow, Poland

[5] Univ Lisbon, Dept Phys, P-1049001 Lisbon, Portugal

[6] Univ Lisbon, Inst Super Tecn, CFIF, P-1049001 Lisbon, Portugal

来源：

JOURNAL OF APPLIED PHYSICS | 2013年 / 114卷 / 12期

关键词：

DRIVEN; RELAXATION; RESONANCE;

D O I：

10.1063/1.4822058

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We study the role of thermal fluctuations on the spin dynamics of a thin permalloy film with a focus on the behavior of spin torque and find that the thermally assisted spin torque results in new aspects of the magnetization dynamics. In particular, we uncover the formation of a finite, spin torque-induced, in-plane magnetization component. The orientation of the in-plane magnetization vector depends on the temperature and the spin-torque coupling. We investigate and illustrate that the variation of the temperature leads to a thermally induced rotation of the in-plane magnetization. (C) 2013 AIP Publishing LLC.

引用

页数：9

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