Ferromagnetic resonance spectra of permalloy nano-ellipses as building blocks for complex magnonic lattices

被引：16

作者：

Bang, Wonbae ^{[1
,2
,6
]}

Montoncello, F. ^{[3
]}

Kaffash, M. T. ^{[4
]}

Hoffmann, A. ^{[2
,7
]}

Ketterson, J. B. ^{[1
,5
]}

Jungfleisch, M. B. ^{[4
]}

机构：

[1] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA

[2] Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA

[3] Univ Ferrara, Dipartimento Fis & Sci Terra, I-44122 Ferrara, Italy

[4] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA

[5] Northwestern Univ, Dept Elect & Comp Engn, Evanston, IL 60208 USA

[6] LG Chem, Inst Adv Mat, Daejeon 34122, South Korea

[7] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2019年 / 126卷 / 20期

关键词：

ARTIFICIAL SPIN ICE;

D O I：

10.1063/1.5126679

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the experimental and theoretical characterization of the angular dependent magnetic field and microwave frequency response of isolated mesoscopic permalloy nanoellipses for geometries in which the static magnetic field is either parallel or perpendicular to the microwave magnetic field. We show how these spectra form a basis for interpreting the ferromagnetic resonance spectra of lattices based on such structures, including those containing frustrated regions, such as artificial spin ice structures. Published under license by AIP Publishing.

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页数：8

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