TITLE

Magnetization logarithmic susceptibility, damping parameter, and dynamics symmetry extraction

AUTHOR(S)
Wang, Xiaobin; Zhu, Wenzhong; Xi, Haiwen; Gao, Zheng; Dimitrov, Dimitar
PUB. DATE
November 2008
SOURCE
Applied Physics Letters;11/3/2008, Vol. 93 Issue 18, p182506
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Magnetization logarithmic susceptibility is obtained for thermal assisted magnetization reversals under periodic driving forces. Using examples of magnetic elements excited by periodic spin torque currents, we demonstrate both theoretically and experimentally that frequency dependence of magnetization logarithmic susceptibility can be used to extract magnetization dynamics symmetry information and damping parameters for large amplitude nonlinear magnetization reversal.
ACCESSION #
35279173

 

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