Ferromagnetic resonance and bistability field in a uniaxial magnetic film

Vasilevskaya, T. M.; Volodin, S. A.; Семенцов, Д. И.

doi:10.1134/s1063784211090283

Cited by 3 publications

(3 citation statements)

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“…In Refs. [10][11][12], this problem was overcome by numerical calculations of the magnetization evolution in non-linear regime, including sophisticated trajectories between two potential wells on each side of the right angle. This leads, however, to a non-linear dependence of the r.f.…”

Section: Discussionmentioning

confidence: 99%

“…So we will call this phenomenon ''pseudoresonance''. Note that a similar effect was observed previously in ferromagnetic metal alloys [10], and some theoretical description was suggested [10][11][12]. The present work is aimed to a more detailed experimental study of the pseudoresonance phenomenon in epitaxial LSMO films, together with advancing an alternative approach to the theoretical model.…”

Section: Introductionmentioning

confidence: 90%

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Magnetic Pseudoresonance in Manganite Thin Films

et al. 2014

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A strong narrow peak in the field dependence of the radio-frequency absorption (the magnetic pseudoresonance) has been found and investigated in epitaxial thin films of La 2/3 Sr 1/3 MnO 3 possessing uniaxial magnetic anisotropy in the film plane. The peak is observed when the in-plane external magnetic field H is directed perpendicular to the easy axis and equals to the anisotropy field H u . The frequency dependence of the peak magnitude measured in the frequency range of 10-300 MHz approximately follows the Debye law behavior with the characteristic relaxation time of about 2.2 ns. The physical model of the phenomenon is suggested, based on the giant increase in static transversal susceptibility due to a sharp reorientation of the equilibrium magnetization when approaching the pseudoresonance conditions.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 90%

Magnetic Pseudoresonance in Manganite Thin Films

et al. 2014

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“…This can be expected, taking into account that the structural geometry of our gratings is comparable with that of crystalline films [28] but with a submicron-size of the features instead of interatomic distances. Note that films with this type of the magnetic anisotropy exhibit a sharp reorientation of the magnetization upon a small increment of the magnetic field [30,31], and are of particular interest for optically induced magnetization switching via angular momentum transfer from light to matter [32,33].…”

Section: Discussion and Modelingmentioning

confidence: 99%

Ferromagnetic Resonance in Permalloy Metasurfaces

et al. 2021

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Permalloy films with one-dimensional (1D) profile modulation of submicron periodicity are fabricated based on commercially available DVD-R discs and studied using ferromagnetic resonance (FMR) method and micromagnetic numerical simulations. The main resonance position shows in-plane angular dependence which is strongly reminiscent of that in ferromagnetic films with uniaxial magnetic anisotropy. The main signal and additional low field lines are attributed to multiple standing spin wave resonances defined by the grating period. The results may present interest in magnetic metamaterials and magnonics applications.

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Magnetically dependent plasmon drag in permalloy structures

et al. 2021

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We explore coupling of plasmonic, electric and magnetic effects in profile modulated permalloy structures, which have both plasmonic properties and uniaxial magnetic anisotropy with in-plane easy axis. Strong photocurrents observed under plasmon resonance conditions show clear dependence on magnetic field with characteristic hysteresis. The effects are discussed in frames of the anomalous Nernst effect.

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Ferromagnetic resonance and bistability field in a uniaxial magnetic film

Cited by 3 publications

References 1 publication

Magnetic Pseudoresonance in Manganite Thin Films

Magnetic Pseudoresonance in Manganite Thin Films

Ferromagnetic Resonance in Permalloy Metasurfaces

Magnetically dependent plasmon drag in permalloy structures

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