Tunneling spectra of submicron Bi2Sr2CaCu2O8+δ intrinsic Josephson junctions: evolution from superconducting gap to pseudogapS. P. Zhao, X. B. Zhu and H. TangEur. Phys. J. B, 71 2 (2009) 195-201DOI: https://doi.org/10.1140/epjb/e2009-00299-7