Broadband ferromagnetic resonance of Ni81 Fe19 wires using a rectifying effect

A. Yamaguchi, K. Motoi, A. Hirohata, H. Miyajima, Y. Miyashita, Yukitoshi Sanada

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

The broadband ferromagnetic resonance (FMR) measurement has been carried out by using a rectifying effect in two sets of Ni81 Fe19 wires. One wire is deposited on the middle strip line of the coplanar waveguide (CPW) and another is deposited between two strip lines of the CPW, measuring the FMR induced by in-plane and out-of-plane magnetic fields, respectively. The FMR frequency is defined by detecting the magnetoresistance oscillation due to the magnetization dynamics induced by a radio frequency (rf) field. The magnetic-field dependence of the resonance frequency and the rectification spectrum are analytically interpreted based on our uniform magnetization precession model. These findings reveal that two distinct rectifying signals are anticipated by a rf field and a rf current, which can easily be controlled by engineering the ferromagnetic wire shape and the external field orientation. These fundamental understandings are crucial for future rf device applications in spintronics.

Original languageEnglish
Article number104401
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume78
Issue number10
DOIs
Publication statusPublished - 2008 Sep 2

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Ferromagnetic resonance
ferromagnetic resonance
radio frequencies
wire
Wire
broadband
Strip telecommunication lines
Coplanar waveguides
Magnetization
strip
Magnetic fields
waveguides
magnetization
Magnetoelectronics
Magnetoresistance
rectification
precession
magnetic fields
engineering
oscillations

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Broadband ferromagnetic resonance of Ni81 Fe19 wires using a rectifying effect. / Yamaguchi, A.; Motoi, K.; Hirohata, A.; Miyajima, H.; Miyashita, Y.; Sanada, Yukitoshi.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 78, No. 10, 104401, 02.09.2008.

Research output: Contribution to journalArticle

Yamaguchi, A. ; Motoi, K. ; Hirohata, A. ; Miyajima, H. ; Miyashita, Y. ; Sanada, Yukitoshi. / Broadband ferromagnetic resonance of Ni81 Fe19 wires using a rectifying effect. In: Physical Review B - Condensed Matter and Materials Physics. 2008 ; Vol. 78, No. 10.
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