Surface-phase superconductivity in Mg-deficient V-doped MgTi${}_2$O${}_4$ spinel

A. Rahaman, T. Paramanik, B. Pal +7

Around fifty years ago, LiTi${}_2$O${}_4$ was reported to be first spinel oxide to exhibit a superconducting transition with highest T${}_c$ $\approx$ 13.7 K. Recently, MgTi${}_2$O${}_4$ has…