Superconductivity and functional oxides Roberta Citro, Canio Noce, Sergio Pagano, Filomena Forte, Veronica Granata and Antonio Leo Eur. Phys. J. Special Topics, 228 3 (2019) 625-629 Published online: 03 July 2019 DOI: 10.1140/epjst/e2019-0084s-9