Magnetic properties of fibonacci-modulated Fe-Au multilayer metamaterials

Tomomi Suwa; Satoshi Tomita; Nobuyoshi Hosoito; Hisao Yanagi

doi:10.3390/ma10101209

Magnetic properties of fibonacci-modulated Fe-Au multilayer metamaterials

Tomomi Suwa, Satoshi Tomita, Nobuyoshi Hosoito, Hisao Yanagi

Division of Developmental Research in Education Programs

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Herein we experimentally study magnetic multilayer metamaterials with broken translational symmetry. Epitaxially-grown iron-gold (Fe-Au) multilayers modulated using Fibonacci sequence-referred to as magnetic inverse Fibonacci-modulated multilayers (IFMs)-are prepared using ultra-high-vacuum vapor deposition. Experimental results of in-situ reflection high-energy electron diffraction, magnetization curves, and ferromagnetic resonance demonstrate that the epitaxially-grown Fe-Au IFMs have quasi-isotropic magnetization, in contrast to the in-plane magnetization easy axis in the periodic multilayers.

Original language	English
Article number	1209
Journal	Materials
Volume	10
Issue number	10
DOIs	https://doi.org/10.3390/ma10101209
Publication status	Published - 2017 Oct 20

Keywords

Fibonacci sequence
Magnetic multilayers
One-dimensional metamaterials

ASJC Scopus subject areas

Materials Science(all)

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10.3390/ma10101209

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abstract = "Herein we experimentally study magnetic multilayer metamaterials with broken translational symmetry. Epitaxially-grown iron-gold (Fe-Au) multilayers modulated using Fibonacci sequence-referred to as magnetic inverse Fibonacci-modulated multilayers (IFMs)-are prepared using ultra-high-vacuum vapor deposition. Experimental results of in-situ reflection high-energy electron diffraction, magnetization curves, and ferromagnetic resonance demonstrate that the epitaxially-grown Fe-Au IFMs have quasi-isotropic magnetization, in contrast to the in-plane magnetization easy axis in the periodic multilayers.",

keywords = "Fibonacci sequence, Magnetic multilayers, One-dimensional metamaterials",

author = "Tomomi Suwa and Satoshi Tomita and Nobuyoshi Hosoito and Hisao Yanagi",

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T1 - Magnetic properties of fibonacci-modulated Fe-Au multilayer metamaterials

AU - Suwa, Tomomi

AU - Tomita, Satoshi

AU - Hosoito, Nobuyoshi

AU - Yanagi, Hisao

N1 - Funding Information: The authors are grateful to L. McDowell for English proofreading. A part of this work was supported by JSPS KAKENHI (No. 26287065, No. 16K04881).

PY - 2017/10/20

Y1 - 2017/10/20

N2 - Herein we experimentally study magnetic multilayer metamaterials with broken translational symmetry. Epitaxially-grown iron-gold (Fe-Au) multilayers modulated using Fibonacci sequence-referred to as magnetic inverse Fibonacci-modulated multilayers (IFMs)-are prepared using ultra-high-vacuum vapor deposition. Experimental results of in-situ reflection high-energy electron diffraction, magnetization curves, and ferromagnetic resonance demonstrate that the epitaxially-grown Fe-Au IFMs have quasi-isotropic magnetization, in contrast to the in-plane magnetization easy axis in the periodic multilayers.

AB - Herein we experimentally study magnetic multilayer metamaterials with broken translational symmetry. Epitaxially-grown iron-gold (Fe-Au) multilayers modulated using Fibonacci sequence-referred to as magnetic inverse Fibonacci-modulated multilayers (IFMs)-are prepared using ultra-high-vacuum vapor deposition. Experimental results of in-situ reflection high-energy electron diffraction, magnetization curves, and ferromagnetic resonance demonstrate that the epitaxially-grown Fe-Au IFMs have quasi-isotropic magnetization, in contrast to the in-plane magnetization easy axis in the periodic multilayers.

KW - Fibonacci sequence

KW - Magnetic multilayers

KW - One-dimensional metamaterials

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