this post was submitted on 01 Jul 2025
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Breaking the Rules of Magnetism: Unusual Crystal Surprises Physicists With Cooling Effect (scitechdaily.com)
submitted 3 weeks ago by Delta_V@lemmy.world to c/science@lemmy.world
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...when atacamite is exposed to a magnetic field, its temperature changes, a rare and valuable behavior that could help shape the future of cooling technologies...

Journal article:
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.134.216701

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[–] Krudler@lemmy.world 1 points 3 weeks ago* (last edited 3 weeks ago)

I'm on your side, not one thing here is novel.

We have been well aware of this type of crystalline structure for... I don't know a century? Ferrite anybody? And magnetic heating/cooling are child's play concepts.