Single Junction and Intrinsic Josephson Junction Tunneling Spectroscopies of Bi2Sr2CaCu2O8+d

L. Ozyuzer, C. Kurter, J. F. Zasadzinski +3

Tunneling spectroscopy measurements are reported on optimally-doped and overdoped Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ single crystals. A novel point contact method is used to obtai…