Direct evidence of magnetization rotation at the ferromagnetic morphotropic phase boundary in 
<math>
  <mrow>
    <msub>
      <mi>Tb</mi>
      <mrow>
        <mn>1</mn>
        <mo>−</mo>
        <mi>x</mi>
      </mrow>
    </msub>
    <msub>
      <mi>Dy</mi>
      <mi>x</mi>
    </msub>
    <msub>
      <mi>Fe</mi>
      <mn>2</mn>
    </msub>
  </mrow>
</math>
 system

Xiaoqin Ke; Chao Zhou; Ben Tian; Yoshitaka Matsushita; Xiaobing Ren; Sen Yang; Yunzhi Wang

doi:10.1103/physrevb.108.224419

Journal article Direct evidence of magnetization rotation at the ferromagnetic morphotropic phase boundary in ${Tb}_{1 - x} {Dy}_{x} {Fe}_{2}$ system

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3. Direct evidence of magnetization rotation at the ferromagnetic morphotropic phase boundary in Tb1−xDyxFe2 system.docx

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Xiaoqin Ke, Chao Zhou, Ben Tian, Yoshitaka Matsushita, Xiaobing Ren, Sen Yang, Yunzhi Wang. Direct evidence of magnetization rotation at the ferromagnetic morphotropic phase boundary in

{Tb}_{1 - x} {Dy}_{x} {Fe}_{2}

system. Physical Review B. 2023, (), 224419. https://doi.org/10.1103/physrevb.108.224419

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(abstract)

The large magnetostriction at the ferromagnetic morphotropic phase boundary (MPB) relies on easy magnetization switching under external magnetic fields. It has been proposed that both domain wall motion and magnetization rotation occur under external magnetic fields at the ferromagnetic MPB. However, direct experimental evidence of the latter is still lacking. Here we report direct evidence of both magnetization rotation and domain wall motion under an external magnetic field at the MPB of the Tb1−𝑥⁢Dy𝑥⁢Fe2 system through in situ synchrotron x-ray diffraction experiments, which are further confirmed by phase field simulations. This work unravels the origin of the large magnetostriction at the ferromagnetic MPB and could shed light on the design of magnetostrictive materials.

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©2025 American Physical Society

Keyword: Domain walls, Dysprosium alloys, Ferromagnetic materials, Ferromagnetism, Iron alloys, Magnetic domains, Magnetization

Date published: 2023-12-13

Publisher: American Physical Society (APS)

Journal:

Physical Review B (ISSN: 1550235X) 224419

Funding:

National Key Research and Development Program of China 2021YFB3501401
National Key Research and Development Program of China 2022YFE0109500
National Natural Science Foundation of China 52171189
National Natural Science Foundation of China 12374120
Fundamental Research Funds for the Central Universities
National Science Foundation DMR-1923929

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5468

First published URL: https://doi.org/10.1103/physrevb.108.224419

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Updated at: 2025-05-09 08:30:28 +0900

Published on MDR: 2025-05-09 08:19:26 +0900

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