Superconductivity up to 29 K in SrFe(2)As(2) and BaFe(2)As(2) at high pressures

Patricia L Alireza; Y T Chris Ko; Jack Gillett; Chiara M Petrone; Jacqueline M Cole; Gilbert G Lonzarich; Suchitra E Sebastian

doi:10.1088/0953-8984/21/1/012208

Superconductivity up to 29 K in SrFe(2)As(2) and BaFe(2)As(2) at high pressures

J Phys Condens Matter. 2009 Jan 7;21(1):012208. doi: 10.1088/0953-8984/21/1/012208. Epub 2008 Dec 8.

Authors

Patricia L Alireza¹, Y T Chris Ko, Jack Gillett, Chiara M Petrone, Jacqueline M Cole, Gilbert G Lonzarich, Suchitra E Sebastian

Affiliation

¹ Department of Physics, University of Cambridge, Cavendish Laboratory, J J Thomson Avenue, Cambridge CB3 0HE, UK.

PMID: 21817209
DOI: 10.1088/0953-8984/21/1/012208

Abstract

We report the discovery of superconductivity at high pressure in SrFe(2)As(2) and BaFe(2)As(2). The superconducting transition temperatures are up to 27 K in SrFe(2)As(2) and 29 K in BaFe(2)As(2), the highest obtained for materials with pressure-induced superconductivity thus far.