Transition from tunneling regime to local point contact realized on Ba 0.6K 0.4Fe 2As 2 surface
Xingyuan Hou(侯兴元), Yunyin Jie(揭云印), Jing Gong(巩靖), Bing Shen(沈冰), Hai Zi(子海), Chunhong Li(李春红), Cong Ren(任聪), Lei Shan(单磊)
Chin. Phys. B . 2017, (6): 67402 -067402 .  DOI: 10.1088/1674-1056/26/6/067402