# Inverse exchange bias effects and magnetoelectric coupling of the half-doped perovskite-type chromites Gd0.5Sr0.5CrO3 and Gd0.5Ca0.5CrO3

https://mdr.nims.go.jp/datasets/83d39275-0aa2-4366-a7d6-dacf972d8098

## File

- [Manuscript_Submission 3.docx](https://mdr.nims.go.jp/filesets/c3028282-f5ba-4be4-9ed7-f07f4adba060/download) ([Detail](https://mdr.nims.go.jp/filesets/c3028282-f5ba-4be4-9ed7-f07f4adba060.md))

## Id

83d39275-0aa2-4366-a7d6-dacf972d8098

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2024-09-09T08:00:21.579370Z

## Updated at

2024-09-10T03:30:18.398261Z

## Published at

2024-09-10T03:30:18.781167Z

## Doi

https://doi.org/10.48505/nims.4733

## First published url

https://doi.org/10.1103/physrevb.106.104425

## Date published

2022-09-21

## Recorded date published

2022-9

## Resource type

journal_article

## Manuscript type

accepted_manuscript

## Collection



## Title

- title: Inverse exchange bias effects and magnetoelectric coupling of the half-doped
    perovskite-type chromites Gd0.5Sr0.5CrO3 and Gd0.5Ca0.5CrO3
  title_type: original
  lang: en

## Description

- description: 'The Cr4+ oxidation state with two electrons in the Cr 3d shell is
    not often observed in perovskite-type oxides, as high pressures and temperatures
    are generally required to stabilize the octahedral coordination. Herein, we present
    a comparative study of the novel half-doped perovskite-type chromites Gd0.5Sr0.5CrO3
    (GSCO) and Gd0.5Ca0.5CrO3 (GCCO). Fifty percent of the Cr occurs in the Cr4+ oxidation
    state following high-pressure synthesis at 6 GPa and 1200 °C. The materials were
    investigated using synchrotron X-ray diffraction, magnetization, heat capacity,
    and dielectric measurements. The diffraction patterns show that GSCO and GCCO
    crystallize in orthorhombic (Pbnm) structures with different degrees of local
    lattice distortion. GSCO exhibits a long-range magnetic order at temperatures
    of <98 K, accompanied by magnetization reversal, suggesting that the magnetic
    ground state is ferrimagnetic. In contrast, GCCO displays antiferromagnetic characters
    at temperatures below approximately 100 K. In addition, GSCO exhibits a crossover
    between conventional and inverse exchange bias effects at low temperatures (<50
    K). This is likely caused by asymmetric exchange Dzyaloshinskii-Moriya interactions
    between the Cr ions of different valences (+3 and +4). Furthermore, significant
    magnetoelectric coupling at the onset of the magnetic order is supported by temperature-dependent
    dielectric measurements. '
  description_type: abstract
  lang: eng

## Creator

- name: Biswajit Dalal
  role: author
  organization: National Institute for Materials Science
- name: Xun Kang
  role: author
  orcid: https://orcid.org/0000-0003-4364-6218
  organization: National Institute for Materials Science
- name: Yoshitaka Matsushita
  role: author
  orcid: https://orcid.org/0000-0002-4968-8905
  organization: National Institute for Materials Science
- name: Alexei A. Belik
  role: author
  orcid: https://orcid.org/0000-0001-9031-2355
  organization: National Institute for Materials Science
- name: Yoshihiro Tsujimoto
  role: author
  orcid: https://orcid.org/0000-0003-2140-3362
  organization: National Institute for Materials Science
- name: Kazunari Yamaura
  role: author
  orcid: https://orcid.org/0000-0003-0390-8244
  organization: National Institute for Materials Science

## Contact agent



## Publisher

organization: American Physical Society (APS)

## Managing organization



## Keyword

- subject: perovskite oxide
  schema: not_defined
- subject: chromium
  schema: not_defined
- subject: exchange bias effect
  schema: not_defined

## Rights

- description: "©2022 American Physical Society "
  identifier: http://rightsstatements.org/vocab/InC/1.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Physical Review B
  issn: 1550235X
  volume: '106'
  issue: '10'
  article_number: '104425'

## Conference



## Related item



## Funding

- identifier: JP20H05276
  funder_name: Japan Society for the Promotion of Science
- identifier: JP22H04601
  funder_name: Japan Society for the Promotion of Science
- identifier: 2020A4501
  funder_name: Japan Synchrotron Radiation Research Institute
- identifier: 2021A1169
  funder_name: Japan Synchrotron Radiation Research Institute

## Instrument



## Instrument operator



## Instrument managing organization



## Measurement method



## Specimen



## Chemical composition



## Structure for specimen



## Structural feature for specimen



## Specific property for specimen



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## Fileset

- id: c3028282-f5ba-4be4-9ed7-f07f4adba060
  filename: Manuscript_Submission 3.docx
  content_type: application/vnd.openxmlformats-officedocument.wordprocessingml.document
  size: 4575554
  md5: 1ec2dc133a555f22f4c6c00eae518958

## Thumbnail

fileset_id: c3028282-f5ba-4be4-9ed7-f07f4adba060
filename: Manuscript_Submission 3.docx