<bold><em> In-situ</em></bold> spectroscopic studies and interfacial engineering on FeSe/oxide heterostructures: Insights on the interfacial superconductivity<xref ref-type="fn" rid="cpb151075fn1">*</xref>

In-situ spectroscopic studies and interfacial engineering on FeSe/oxide heterostructures: Insights on the interfacial superconductivity*

Peng Rui^a),^b), Xu Hai-Chao^a),^b), Feng Dong-Lai^a),^b)

(a) The Fermi surface mapping of 3 uc FeSe/STO. (b) The second derivative of the photoemission intensity with respect to energy around Brillouin zone center, along cut #1 as illustrated in panel (a). (c) The second derivative of the photoemission intensity with respect to energy around Brillouin zone corner, along cut #2 as illustrated in panel (a). Panels (a)–(c) are reprinted with permission from Ref. [ 9 ], copyright 2012 by Nature Materials.