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Alternative title: Development of magnetic materials for green energy conversions

Description:

Magnetic materials, such as soft and hard magnets, are essential for a wide range of energy conversion applications. Rising demands and emerging applications require these materials to operate closer to their theoretical limits while meeting sustainability challenges. Achieving this goal hinges on microstructure design and control across multiple length scales, guided by experiments and modeling. This talk will highlight several such strategies. Supported by micromagnetic simulations, we will show that optimum annealing in Fe-based amorphous ribbons with a large magnetostriction induces a small stress-induced perpendicular magnetic anisotropy. This promotes change of magnetic domain configuration from large curvilinear magnetic domain to the formation of narrow stripe-shaped domain and resulted in a change in high frequency magnetization switching mechanism.

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• Creative Commons BY-NC Attribution-NonCommercial 4.0 International
  

Keyword: Magnetic Materials, Soft Magnets, Coercivity, Core Loss, Nanostructure

Conference: RICAM Workshop 4, Magnetic Materials Modeling (2025-11-24 - 2025-11-28)

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Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5988

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Updated at: 2025-12-11 08:30:03 +0900

Published on MDR: 2025-12-11 08:24:22 +0900