In situ electrical transport measurementof superconductive ultrathin films*
Liu Can-Huaa),b), Jia Jin-Fenga),b)
       
Synthesis of single-layer FeSe film grown on Nb-doped STO substrate.[ 8 , 40 ] (a) RHEED pattern of FeSe/STO. (b), (c) STM images of FeSe/STO in large and atomic scale, respectively. (d) d I /d V curve taken on FeSe/STO at 77 K.