Superconductivity up to 29 K in SrFe2As2 and BaFe2As2 at high pressures
Patricia L. Alireza, Y. T. Chris Ko, Jack Gillett, Chiara M. Petrone,, Jacqueline M. Cole, Suchitra E. Sebastian, and Gilbert G. Lonzarich
TL;DR
This paper reports the discovery of high-pressure-induced superconductivity in SrFe2As2 and BaFe2As2, achieving transition temperatures up to 29 K, representing the highest such temperatures found in pressure-induced superconductors.
Contribution
It presents the first observation of superconductivity at high pressures in SrFe2As2 and BaFe2As2 with record transition temperatures.
Findings
Superconductivity observed up to 29 K in BaFe2As2
Superconductivity observed up to 27 K in SrFe2As2
These are the highest pressure-induced T_c values reported so far
Abstract
We report the discovery of superconductivity at high pressure in SrFe2As2 and BaFe2As2. The superconducting transition temperatures are up to 27 K in SrFe2As2 and 29 K in BaFe2As2, making these the highest pressure-induced superconducting materials discovered thus far.
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