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<p>Flexible spintronic sensors provide contactless, vector-resolved readout for wearables, implantable bioelectronics, and microrobotics, yet strain-induced inverse magnetostriction disrupts anisotropy and compromises stability. Magnetoelasticity originates from spin–orbit coupling, orbital hybridization, and exchange interaction in ferromagnets, further intensified by nanoscale thin-films. Strain-decoupled strategies—low-magnetostriction alloys and stress-relaxation architectures—stabilize domain states and preserve sensitivity. Looking forward, multiscale predictive frameworks bridging electronic structure, micromagnetics, and finite-element mechanics offer robust design of strain-resilient, conformable devices.</p>

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Strain-decoupled magnetism in flexible spintronic sensors

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年1月27日

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  • Minsun Oh,
  • Yubin Kim,
  • Minjeong Ha

摘要

Flexible spintronic sensors provide contactless, vector-resolved readout for wearables, implantable bioelectronics, and microrobotics, yet strain-induced inverse magnetostriction disrupts anisotropy and compromises stability. Magnetoelasticity originates from spin–orbit coupling, orbital hybridization, and exchange interaction in ferromagnets, further intensified by nanoscale thin-films. Strain-decoupled strategies—low-magnetostriction alloys and stress-relaxation architectures—stabilize domain states and preserve sensitivity. Looking forward, multiscale predictive frameworks bridging electronic structure, micromagnetics, and finite-element mechanics offer robust design of strain-resilient, conformable devices.