What makes the Tc of FeSe/SrTiO3 so high?*
Lee Dung-Haia),b)
       
The vibration of the oxygen anions in the interface dipoles exerts a time-dependent dipole potential on the electrons in FeSe causing the electron–phonon coupling responsible for the replica bands. Here, h 0 is the set back distance between the dipole layer and the Fe plane in the FeSe layer.