SrTiO3-based oxide interfaces, which exhibit coexistence of gate-tunable two-dimensional superconductivity and Rashba spin-orbit coupling, are candidates to host topological superconductive phases. By controlling the chemical ratio in LaAlO3, the authors demonstrate tuning of carrier densities, mobilities and the formation of superconductivity, showing that, approaching to clean limit, significant enhancement below the Lifshitz transition is observed, at odds with previous experimental investigations.
- Gyanendra Singh
- Roger Guzman
- Alexei Kalaboukhov
