# Circularly Polarized Light-Induced Magnetization Reversal in Bi,Ga-Substituted Magnetic Garnet Films

https://mdr.nims.go.jp/datasets/e6bbfe6c-deb4-4dd9-a309-04717fd2148f

## File

- [Asatani_JMSJ_最終原稿.pdf](https://mdr.nims.go.jp/filesets/c5552376-7074-41a1-987a-5b9322a9068a/download) ([Detail](https://mdr.nims.go.jp/filesets/c5552376-7074-41a1-987a-5b9322a9068a.md))

## Id

e6bbfe6c-deb4-4dd9-a309-04717fd2148f

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2026-03-04T08:52:02.273506Z

## Updated at

2026-03-05T07:30:04.315776Z

## Published at

2026-03-05T04:42:55.442564Z

## Doi

https://doi.org/10.48505/nims.6206

## First published url

https://www.magnetics.jp/publication/j_2026_5002/

## Date published

2026-03-01

## Recorded date published



## Resource type

journal_article

## Manuscript type

accepted_manuscript

## Collection



## Title

- title: Circularly Polarized Light-Induced Magnetization Reversal in Bi,Ga-Substituted
    Magnetic Garnet Films
  title_type: original
  lang: en

## Description

- description: All-optical magnetization switching (AOS) in magneto-optical materials
    is promising phenomena for applications such as high-speed optical modulation
    technology, as it allows for magnetization reversal using only ultrashort laser
    pulses. We report on AOS induced by circularly polarized light in Bi,Ga-substituted
    magnetic garnet, Bi2.5R0.5Fe4GaO12 (R = Eu, Nd and Y), thin films prepared by
    the metal-organic decomposition method, which possess both large Faraday effect
    and perpendicular magnetic anisotropy. The experiments for circularly polarized
    light-induced magnetization reversal were performed using laser pulses with a
    wavelength of 514 nm and a pulse width of 230 fs. Helicity-dependent ring-shaped
    magnetic domains were formed around demagnetized domains for all samples, when
    approximately 200 pulses were cumulatively irradiated onto a single spot on the
    samples.
  description_type: abstract
  lang: eng

## Creator

- name: R. Asatani
  role: author
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials/Magnetic Recording
    Materials Group
- name: S. Suzuki
  role: author
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials/Magnetic Recording
    Materials Group
- name: A. Hata
  role: author
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials/Magnetic Recording
    Materials Group
- name: M. A. A. Masud
  role: author
  organization: Nagaoka University of Technology
- name: H. Sakaguchi
  role: author
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials/Magnetic Recording
    Materials Group
- name: S. Isogami
  role: author
  orcid: https://orcid.org/0000-0001-7230-6090
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials/Magnetic Recording
    Materials Group
- name: T. Ishibashi
  role: author
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials/Magnetic Recording
    Materials Group

## Contact agent



## Publisher

organization: Magnetics Society of Japan

## Managing organization



## Keyword

- subject: All optical switching
  schema: not_defined
- subject: Rare earch iron garnet
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by/4.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Journal of the Magnetics Society of Japan
  issn: '18822932'
  volume: '50'
  issue: '2'
  start_page: 30
  end_page: 33

## Conference



## Related item



## Funding



## Instrument



## Instrument operator



## Instrument managing organization



## Measurement method



## Specimen



## Chemical composition



## Structure for specimen



## Structural feature for specimen



## Specific property for specimen



## Process for specimen treatment



## Computational method



## Energy level/transition state



## Software



## Custom property



## Fileset

- id: c5552376-7074-41a1-987a-5b9322a9068a
  filename: Asatani_JMSJ_最終原稿.pdf
  content_type: application/pdf
  size: 553752
  md5: 78d61ea128452b464ee9c8d983146341

## Thumbnail

fileset_id: c5552376-7074-41a1-987a-5b9322a9068a
filename: Asatani_JMSJ_最終原稿.pdf