Reconfigurable 3D magnonic crystal: Tunable and localized spin-wave excitations in CoFeB meander-shaped film

被引：6

作者：

Sadovnikov, A., V ^{[1
]}

Talmelli, G. ^{[2
,3
]}

Gubbiotti, G. ^{[4
]}

Beginin, E. N. ^{[1
]}

Sheshukova, S. ^{[1
]}

Nikitov, S. A. ^{[5
]}

Adelmann, C. ^{[2
]}

Ciubotaru, F. ^{[2
]}

机构：

[1] Saratov NG Chernyshevskii State Univ, Lab Metamat, 83 Astrakhanskaya St, Saratov 410012, Russia

[2] IMEC, B-3001 Leuven, Belgium

[3] Katholieke Univ Leuven, Dept Mat Kunde, B-3001 Leuven, Belgium

[4] Univ Perugia, Dipartimento Fis & Geol, Ist Officina Mat CNR CNR IOM, I-06123 Perugia, Italy

[5] Russian Acad Sci, Kotelnikov Inst Radioengn & Elect, Moscow 125009, Russia

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2022年 / 544卷

基金：

欧盟地平线“2020”; 俄罗斯科学基金会;

关键词：

Spin waves; 3D magnonic crystals; Magnonics; Ferromagnetic resonance; Micromagnetic simuations;

D O I：

10.1016/j.jmmm.2021.168670

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, we study experimentally by broadband ferromagnetic resonance measurements, the dependence of the spin-wave excitation spectra on the magnetic applied field in CoFeB meander-shaped films. Two different orientations of the external magnetic field were explored, namely parallel or perpendicular to the lattice cores. The interpretation of the field dependence of the frequency and spatial profiles of major spin-wave modes were obtained by micromagnetic simulations. We show that the vertical segments couple the horizontal sections of the structure and support the in-phase and out-of-phase spin-wave precession amplitude for several magnetic modes. The investigated structures could potentially be used for the design of tunable metasurfaces or in magnetic memories based on meandering 3D magnetic films.

引用

页数：8

共 16 条

[11] Magnon Straintronics to Control Spin-Wave Computation: Strain Reconfigurable Magnonic-Crystal Directional Coupler
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IEEE MAGNETICS LETTERS, 2019, 10
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[15] DIFFERING DEGREES OF ITINERANCY IN 3D ALLOYS REVEALED BY MEASUREMENTS OF NEUTRON SPIN-WAVE SCATTERING
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