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arxiv: 2112.14439 · v3 · pith:SHKCJOXV · submitted 2021-12-29 · cond-mat.supr-con · cond-mat.mtrl-sci

Superconductivity in Zirconium Polyhydrides with Tc above 70 K

C. L. Zhang , X. He , Z. W. Li , S. J. Zhang , S. M. Feng , X. C. Wang , R. C.Yu , C. Q. Jin This is my paper

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classification cond-mat.supr-con cond-mat.mtrl-sci
keywords abovepolyhydridessuperconductivityzirconiumheatinganvilcellcombined
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We report the experimental discovery of superconductivity with critical temperature Tc above 70 K in zirconium polyhydrides, the record high so far for 3d transition metal hydrides. The superconducting zirconium polyhydrides are synthesized at the extreme conditions above 200 GPa & 2000 K by using diamond anvil cell combined with in-situ laser heating. Superconductivity was observed in the samples maintained at the same pressure upon quenched from heating.

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