Atomic-scale mechanism of enhanced electron-phonon coupling at the interface of MgB${}_2$ thin film

Xiaowen Zhang, Tiequan Xu, Ruochen Shi +7

In this study, we explore the heterointerface of MgB${}_2$ film on SiC substrate at atomic scale using electron microscopy and spectroscopy. We detect ~1 nm MgO between MgB${}_2$ and S…