Superconductivity in Ba_2Sn_3Sb_6 and SrSn_3Sb_4

Laura Deakin, Robert Lam, Frank Marsiglio +1

Resistivity and ac magnetic susceptibility measurements on Ba2Sn3Sb6 and SrSn3Sb4 indicate that these Zintl compounds display a transition to a superconducting phase at Tc = 3.9 K.…