Woltersdorf, Georg and Back, C. H. (2007) Microwave assisted switching of single domain NiFe elements. Physical Review Letters (PRL) 99, p. 227207.
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Other URL: http://link.aip.org/link?prl/99/227207
We study the switching behavior of thin single domain magnetic elements in the presence of microwave excitation. The application of a microwave field strongly reduces the coercivity of the elements. We show that this effect is most profound at the ferromagnetic resonance frequency of the elements. Observations using time-resolved magneto-optic Kerr microscopy in combination with pulsed microwave excitation further support that the microwave assisted switching process is indeed based on the coherent motion of the magnetization.
|Institutions:||Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back|
|Projects:||SFB 689: Spinphänomene in reduzierten Dimensionen|
|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||25 May 2009 13:18|
|Last Modified:||14 Jul 2010 08:15|