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B. Kim, S. Khmelevskyi, C. Franchini, I. Mazin, K. Kim:
"SrRuO3-SrTiO3 heterostructure as a possible platform for studying unconventional superconductivity in Sr2RuO4";
Physical Review B, 101 (2020), 220502.

There is intense controversy around the unconventional superconductivity in strontium ruthenate, where
the various theoretical and experimental studies suggest diverse and mutually exclusive pairing symmetries.
Currently, the investigation is solely focused on only one material, Sr2RuO4, and the field suffers from the
lack of comparison targets. Here, employing a density-functional-theory-based analysis, we show that the
heterostructure composed of SrRuO3 and SrTiO3 is endowed with all the key characteristics of Sr2RuO4, and, in
principle, can host superconductivity. Furthermore, we show that competing magnetic phases and associated
frustration, naturally affecting the superconducting state, can be tuned by epitaxial strain engineering. This
system thus offers an excellent platform for gaining more insight into superconductivity in ruthenates.

http://dx.doi.org/10.1103/PhysRevB.101.220502

https://publik.tuwien.ac.at/files/publik_302177.pdf