Fabrication of high-temperature quasi-two-dimensional superconductors at the interface of a ferroelectric Ba${}_{0.8}$Sr${}_{0.2}$TiO${}_3$ film and an insulating parent compound of La${}_2$CuO${}_4$

Dmitrii P. Pavlov, Rustem R. Zagidullin, Vladimir M. Mukhortov +5

We report the first observation of superconductivity in heterostructure consisting of an insulating ferroelectric film (Ba${}_{0.8}$Sr${}_{0.2}$TiO${}_3$) grown on an insulating parent c…