Physics – Condensed Matter – Superconductivity
Scientific paper
2011-09-02
Physics
Condensed Matter
Superconductivity
Figure 11 corrected
Scientific paper
We present detailed thermodynamic and transport measurements on single crystals of the recently discovered binary intermetallic superconductor, SrSn4. We find this material to be a slightly anisotropic three-dimensional, strongly-coupled, possibly multi-band, superconductor. Hydrostatic pressure causes a decrease in the superconducting transition temperature at the rate of -0.068 K/kbar. Band structure calculations are consistent with experimental data on Sommerfeld coefficient and upper superconducting critical field anisotropy and suggest complex, multi-sheet Fermi surface formed by four bands.
Bud'ko Sergey L.
Canfield Paul. C.
Lin Xiao
Samolyuk German D.
Torikachvili Milton S.
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