Antiferromagnetic materials and their suitability for future data storage applications

https://phys.org/news/2022-09-antiferromagnetic-materials-suitability-future-storage.html

"replace ferromagnets with antiferromagnets... generate no magnetic stray fields... insensitive to magnetic fields... insensitivity and absence of stray fields... manipulating and inspecting magnetic order of antiferromagnets challenging... anisotropy, preferred orientation of magnetic moments, in antiferromagnetic cobalt oxide... orientation and strength of magnetic field... two techniques disentangle magnetic and non-magnetic effects by changing temperature and applying high magnetic fields"

Related:

Altermagnets: A new chapter in magnetism and thermal science

https://phys.org/news/2024-02-altermagnets-chapter-magnetism-thermal-science.html see also: Altermagnetism: A new type of magnetism, with broad implications for technology and research

https://phys.org/news/2024-02-altermagnetism-magnetism-broad-implications-technology.html

Good prospects for altermagnets in spin-based electronics

https://phys.org/news/2024-03-good-prospects-altermagnets-based-electronics.html

Physicists reveal nonlinear transport induced by quantum geometry in planar altermagnets

https://phys.org/news/2024-10-physicists-reveal-nonlinear-quantum-geometry.html

Researchers discover new third class of magnetism that could transform digital devices

https://www.eurekalert.org/news-releases/1067526