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<p>A recently discovered form of magnetism, known as altermagnetism, is characterized by an unconventional <i>d</i>-wave (or higher even-parity-wave) collinear compensated spin ordering. This phase supports strongly spin-polarized currents in the absence of net magnetization and exhibits fast spin dynamics. Meanwhile, spintronic memories based on conventional ferromagnets have been transitioning from a niche technology to mass production for advanced-node microprocessor chips. In this Review we outline how the distinct signatures of altermagnetism may broaden the scope of spintronics research and influence the functionality and scalability of future devices. In particular, we focus on the emerging theoretical concepts in altermagnetic spintronics and on the potential interplay with ferroelectricity or superconductivity. We also provide an outlook on the growing experimental research on altermagnetic spintronics, and on the role of relativistic spin–orbit coupling phenomena.</p>

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Altermagnetic spintronics

  • 期刊论文

  • 发表日期：

    2026年7月6日

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  • T. Jungwirth,
  • J. Sinova,
  • P. Wadley,
  • D. Kriegner,
  • H. Reichlová,
  • F. Krizek,
  • H. Ohno,
  • L. Šmejkal

摘要

A recently discovered form of magnetism, known as altermagnetism, is characterized by an unconventional d-wave (or higher even-parity-wave) collinear compensated spin ordering. This phase supports strongly spin-polarized currents in the absence of net magnetization and exhibits fast spin dynamics. Meanwhile, spintronic memories based on conventional ferromagnets have been transitioning from a niche technology to mass production for advanced-node microprocessor chips. In this Review we outline how the distinct signatures of altermagnetism may broaden the scope of spintronics research and influence the functionality and scalability of future devices. In particular, we focus on the emerging theoretical concepts in altermagnetic spintronics and on the potential interplay with ferroelectricity or superconductivity. We also provide an outlook on the growing experimental research on altermagnetic spintronics, and on the role of relativistic spin–orbit coupling phenomena.