Intrinsic tunneling spectroscopy in small Bi2212 mesas

V. M. Krasnov, A. Yurgens, D. Winkler +1

We present intrinsic tunneling spectroscopy measurements on small Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+x}$ mesas. The tunnel conductance curves show both sharp peaks at the superconducting ga…