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Cryogenic cooling material composed solely of abundant elements reaches 4K
- February 4, 2026 at 1:50 AM
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In collaboration with the National Institute of Technology (KOSEN), Oshima College, the National Institute for Materials Science (NIMS) succeeded in developing a new regenerator material composed solely of abundant elements, such as copper, iron, and aluminum, that can achieve cryogenic temperatures (approx. 4K = −269°C or below) without using any rare-earth metals or liquid helium.
Originally published at Phys.org