Pressure-induced superconductivity in Iron pnictide compound SrFe2As2

Details Pressure-induced superconductivity in Iron pnictide compound SrFe2As2 Pressure-induced superconductivity in Iron pnictide compound SrFe2As2

2008-10-08

arxiv.org/abs/0810.1377v1

J. Phys. Soc. Jpn. 78, 025001 (2009)

Physics

Condensed Matter

Superconductivity

10 pages, 2 figures

Scientific paper

10.1143/JPSJ.78.025001

Electrical resistivity under high pressure have been measured on nominally pure SrFe2As2 up to 14 GPa. The resistivity drop appeared with increasing pressure, and we clearly observed zero resistivity. The maximum of superconducting transition temperature (Tc) is 38 K. The value is corresponding to the one of optimally doping AFe2As2 (A=Sr, Ba) system with K+ ions at the A2+ site.

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