In-situ spectroscopic studies and interfacial engineering on FeSe/oxide heterostructures: Insights on the interfacial superconductivity*
Peng Ruia),b), Xu Hai-Chaoa),b), Feng Dong-Laia),b)
       
(a) The Fermi surface mapping of FeSe/STO. (b) The second derivative of the photoemission intensity with respect to energy around the Brillouin zone center, along cut #1 as illustrated in panel (a). (c) The second derivative of the photoemission intensity with respect to energy around the Brillouin zone corner, along cut #2 as illustrated in panel (a). Panel (a) is reprinted with permission from Ref. [ 9 ], copyright 2012 by Nature Materials.