Microwave assisted switching of single domain Ni(80)Fe(20) elements

Woltersdorf, Georg and Back, Christian H. (2007) Microwave assisted switching of single domain Ni(80)Fe(20) elements. PHYSICAL REVIEW LETTERS, 99 (22): 227207. ISSN 0031-9007,

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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
Uncontrolled Keywords: FERROMAGNETIC-RESONANCE; MAGNETIZATION REVERSAL; FIELD;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back
Depositing User: Dr. Gernot Deinzer
Date Deposited: 30 Nov 2020 06:44
Last Modified: 30 Nov 2020 06:44
URI: https://pred.uni-regensburg.de/id/eprint/31898

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