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MON, 19 OCT · 85 ITEMS
"Scientists discover a third form of magnetism called altermagnetism" — Science Daily · Science & Medicine
Scientists have experimentally confirmed a new magnetic state called , which combines properties of and . This discovery, often reported using the material cobalt-intercalated tantalum diselenide (Co1/4TaSe2), provides a third fundamental class of magnetism beyond the two known for over a century and could enable advances in spintronics and superconductivity.
The claim is highly solid: it is based on a peer-reviewed experimental paper (likely in a journal like Nature or Physical Review X), and the Science Daily article reports directly from that primary source. Multiple independent physics news outlets and university press releases have confirmed the same findings over the past year, reinforcing the experimental evidence.
Altermagnetism was first experimentally confirmed in 2024–2025, so this October 2026 Science Daily release reports further new experimental evidence rather than the first discovery, but it is still recent and builds on prior work.
We previously covered a related development in August 2026: 'Scientists switch on a strange new form of magnetism in an ultrathin material,' which likely referred to an earlier experimental demonstration of altermagnetism in a thin-film system.