Semiconductor-superconductor transition and magnetoresistance terraces in an ultrathin superconducting Pb nanobridge - Jian Wang; Jin-Feng Jia; Xu-Cun Ma; Quan-Tong Shen; Tie-Zhu Han; Ai-Zi Jin; Li Lu; Chang-Zhi Gu; Ming-Liang Tian; X.C. Xie; Qi-Kun Xue (Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics, 2010)