Impurity-Induced Bound Excitations on the Surface of Bi2Sr2CaCu2O8

Ali Yazdani, C. M. Howald, C. P. Lutz +2

We have probed the effects of atomic-scale impurities on superconductivity in Bi_{2}Sr_{2}CaCu_{2}O_{8} by performing low-temperature tunneling spectroscopy measurements with a sca…