Defect-induced changes in the spectral properties of Bi2Sr2CaCu2O8+x: Angle-resolved photoemission study
We investigated the effects of disorder in Bi2Sr2CaCu2O8+x high temperature superconductor. We found that small defect densities already suppress the characteristic spectral signature of the superconducting state. The spectral line shape clearly reflects new excitations within the gap, as expected for defect-induced pair breaking.
Ecole Polytech Fed Lausanne, Inst Phys Appl, CH-1015 Lausanne, Switzerland. Ecole Polytech, CEA, Solides Irradies Lab, F-91128 Palaiseau, France. Ecole Polytech Fed Lausanne, IGA, Lab Phys Solides Semicristallins, CH-1015 Lausanne, Switzerland. Vobornik, I, Ecole Polytech Fed Lausanne, Inst Phys Appl, CH-1015 Lausanne, Switzerland.
ISI Document Delivery No.: 267RW
Record created on 2006-10-03, modified on 2016-08-08