Expression of Concern: Synthesis of Yttrium Superhydride Superconductor with a Transition Temperature up to 262 K by Catalytic Hydrogenation at High Pressures [Phys. Rev. Lett. 126, 117003 (2021)]
Randall D. Kamien
DOI 10.1103/PhysRevLett.131.239902 · Physical Review Letters
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Abstract
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YH10 Archive — disputed claim Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 262 | Pressure not reported | unknown |
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