Superconducting gap and electron-phonon interaction in MgB${}_2$ thin film studied by point contacts

N. L. Bobrov, P. N. Chubov, Yu. G. Naidyuk +6

The superconducting order parameter and electron-phonon interaction (EPI) in a MgB${}_2$ c-axis oriented thin film are investigated by point contacts (PCs). Two superconducting gap…