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Breaking the Rules of Magnetism: Unusual Crystal Surprises Physicists With Cooling Effect (scitechdaily.com)

submitted 1 week ago by [email protected] to c/[email protected]

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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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[–] [email protected] 1 points 1 week ago* (last edited 1 week 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.