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Microwave assisted switching of single domain Ni80Fe20 elements

Woltersdorf, Georg and Back, Christian H. (2007) Microwave assisted switching of single domain Ni80Fe20 elements. Physical Review Letters (PRL) 99 (22), p. 227207.

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Abstract

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.

Item Type:Article
Institutions: Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back
Identification Number:
ValueType
10.1103/PhysRevLett.99.227207DOI
Classification:
NotationType
75.60.JkPACS
75.30.DsPACS
75.75.+aPACS
78.47.+p PACS
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner:Webmaster Back
Deposited On:27 May 2010 11:46
Last Modified:21 Jul 2011 00:28
Item ID:14925
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