Quantum Physics Division
Faculty of PhysicsAdam Mickiewicz University

Effect of GMR and magnetization reversal on microwave absorption

J. Dubowik1 , F. Stobiecki1 , I. Gosciańska2

1 Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznan, Poland
2 Department of Physics, Adam Mickiewicz University, ul. Umultowska 85, 61-614, Poznań , Poland

Czechoslovak Journal of Physics, 51 (2001)
DOI: 10.1023/A:1014475830396


Low-field microwave absorption has been measured as a function of magnetic field in a series of thin film structures exhibiting or not exhibiting the giant magnetoresistance effect (GMR). Although a close correlation has been found between the microwave absorption and GMR, an additional absorption due to magnetization reversal is shown to have substantial effect on the overall microwave response.


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