# Digital twins of magnetic materials: revealing microstructure-properties correlations

https://mdr.nims.go.jp/datasets/4b56377f-7f60-46e1-bb39-b56b41607ba0

## File

- [abstract.docx](https://mdr.nims.go.jp/filesets/cf8cdd63-10db-44c3-b10d-0cc425bb6a8b/download) ([Detail](https://mdr.nims.go.jp/filesets/cf8cdd63-10db-44c3-b10d-0cc425bb6a8b.md))

## Id

4b56377f-7f60-46e1-bb39-b56b41607ba0

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## Visibility

open_to_public

## State

published

## Created at

2024-10-13T05:00:49.226240Z

## Updated at

2024-10-16T23:30:08.531742Z

## Published at

2024-10-16T23:30:09.707666Z

## Doi

https://doi.org/10.48505/nims.4855

## First published url



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## Resource type

conference_presentation

## Manuscript type

na

## Collection



## Title

- title: 'Digital twins of magnetic materials: revealing microstructure-properties
    correlations'
  title_type: original
  lang: en

## Description

- description: Recent achievements in developing representative micromagnetic models
    are to be presented. First, a TEM image-based finite element model of FePt granular
    media allowed us to elucidate the effect of nanodefects on magnetic properties
    and to realize the micromagnetic approximation of hysteresis loops assisted by
    machine learning [1,2]. Second, the similar TEM-based approach was used to explain
    the suppressed coercivity in SmFe12-based anisotropic thin films and to guide
    toward its remarkable enhancement [3]. Finally, the most challenging large-scale
    finite element model was constructed for Nd-Fe-B hot-deformed magnets based on
    the FIB-SEM tomographic data obtained for a real sample. With this model, we were
    able to reproduce the experimental coercivity and to explain its microstructural
    origins. Thus, the combination of advanced microstructure characterization techniques,
    state-of-the-art data processing algorithms including machine learning, and GPU-accelerated
    micromagnetic simulations can bring a new horizon in the design of high-performance
    magnetic materials.
  description_type: abstract
  lang: eng

## Creator

- name: BOLYACHKIN Anton
  role: author
  orcid: https://orcid.org/0000-0003-0420-1806
  organization: National Institute for Materials Science
  department: International Center for Young Scientists
  ror: https://ror.org/026v1ze26
- name: SEPEHRI AMIN Hossein
  role: author
  orcid: https://orcid.org/0000-0002-7856-7897
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials/Green Magnetic
    Materials Group
  ror: https://ror.org/026v1ze26
- name: DENGINA Ekaterina
  role: author
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials/Green Magnetic
    Materials Group
  ror: https://ror.org/026v1ze26
- name: KULESH Nikita
  role: author
  orcid: https://orcid.org/0000-0001-7046-2671
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials/Green Magnetic
    Materials Group
  ror: https://ror.org/026v1ze26
- name: TANG Xin
  role: author
  orcid: https://orcid.org/0000-0001-6762-6145
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials/Green Magnetic
    Materials Group
  ror: https://ror.org/026v1ze26
- name: TAKAHASHI Yukiko
  role: author
  orcid: https://orcid.org/0000-0001-9197-7236
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials/Magnetic Recording
    Materials Group
  ror: https://ror.org/026v1ze26
- name: OHKUBO Tadakatsu
  role: author
  orcid: https://orcid.org/0000-0003-3548-1951
  organization: National Institute for Materials Science
  department: Research Center for Magnetic and Spintronic Materials
  ror: https://ror.org/026v1ze26
- name: HONO Kazuhiro
  role: author
  orcid: https://orcid.org/0000-0001-7367-0193
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26

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## Keyword

- subject: Micromagnetic simulations
  schema: not_defined
- subject: Nd-Fe-B magnets
  schema: not_defined
- subject: FePt media
  schema: not_defined
- subject: SmFe12-based films
  schema: not_defined

## Rights

- identifier: http://rightsstatements.org/vocab/InC/1.0/

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## Data origin

- data_origin_type: other

## Embargo



## Journal



## Conference

name: The 11th Pacific Rim International Conference on Advanced Materials and Processing
  (PRICM 11)
start_date: 2023-11-19
end_date: 2023-11-23
identifier: https://pricm11.org/

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## Fileset

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  size: 18492
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## Thumbnail

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filename: abstract.docx