Kisiel M.Gnecco E.Gysin U.Marot L.Rast S.Meyer E.2020-12-042020-12-042011http://hdl.handle.net/20.500.12614/982enAtribución-NoComercial-SinDerivadas 3.0 EspañaSuppression of electronic friction on Nb films in the superconducting stateresearch article10.1038/nmat2936open access