High-field superconductivity from atomic-scale confinement and spin-orbit coupling at (111)$\mathrm{LaAl}{\mathrm{O}}_3/KTa{\mathrm{O}}_3$ interfaces

Ulderico Filippozzi, Graham Kimbell, Davide Pizzirani +6

We study the superconducting critical fields of two-dimensional electron systems at (111)$\mathrm{LaAl}{\mathrm{O}}_3/KTa{\mathrm{O}}_3$ interfaces as a function of electrostatic back-gating. Our work r…