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Title

Nonlinear magnetoimpedance and parametric excitation of standing spin waves in a glass-covered microwire

AuthorsKraus, L.; Vázquez Villalabeitia, Manuel CSIC ORCID CVN; Infante, Germán CSIC; Badini-Confalonieri, G. A. CSIC; Torrejón, Jacob CSIC ORCID
KeywordsGiant magnetoresistance
Glass
Spin waves
Wires
Issue Date9-Feb-2009
PublisherAmerican Institute of Physics
CitationApplied Physics Letters 94(6): 062505 (2009)
AbstractThe giant magnetoimpedance of an 8.5 µm glass-covered amorphous microwire was investigated in the frequency range of 10 MHz–3.5 GHz. It was found that when the exciting microwave current exceeds some threshold value, a periodic fine structure appears in the frequency dependence of the complex impedance. The appearance of this nonlinear phenomenon is interpreted to be a consequence of the parametric excitation of standing spin waves.
Description3 pages, 3 figures.-- PACS: 75.47.De; 75.30.Ds
Publisher version (URL)http://dx.doi.org/10.1063/1.3079659
URIhttp://hdl.handle.net/10261/21646
DOI10.1063/1.3079659
ISSN0003-6951
Appears in Collections:(ICMM) Artículos

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