Electron-tunneling measurements of low-Tcsingle-layer Bi2+xSr2−yCuO6+δ: Evidence for a scaling disparity between superconducting and pseudogap states

Electron-tunneling measurements of low-Tcsingle-layer Bi2+xSr2−yCuO6+δ: Evidence for a scaling disparity between superconducting and pseudogap states