8legs: Chinese academy of sciences: 1

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China develops new ultra-cold alloy that can reach -273°C without helium — could enable compact cooling for superconducting quantum chips, military equipment, and beyond

Chinese researchers report a rare-earth alloy cooling technology reaching near absolute zero without helium-3.
The EuCo2Al9 alloy enables a compact, solid-state refrigeration module with adiabatic demagnetization cooling.
ADR-based cooling avoids helium-3 and could enable portable cryogenic systems for quantum computers.
The research points to potential mass production of pure-metal refrigeration modules based on the alloy.
DARPA's early 2024 call emphasizes modular, helium-3-free cooling for defense and quantum tech.
The cooling module’s small size may enable portable cryogenic systems for quantum computers.
The alloy could help helium-3-free cooling for space and military electronics.
Experts highlight ADR has historically struggled to transfer cold to other components.
EuCo2Al9 can cool itself and other components efficiently using ADR.
The research could enable more scalable quantum computing platforms.
The Chinese Academy of Sciences reportedly discussed mass production potential.

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