Possible correlation-driven odd-parity superconductivity in LaNi7/8Co1/8O3 (111) bilayers

Bing Ye; Andrej Mesaros; Ying Ran

doi:10.1103/PhysRevB.89.201111

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Possible correlation-driven odd-parity superconductivity in LaNi7/8Co1/8O3 (111) bilayers

Bing Ye, Andrej Mesaros, Ying Ran

DOI 10.1103/PhysRevB.89.201111 · Physical Review B

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Abstract

Using the functional renormalization group technique we demonstrate a route for potentially high-temperature odd-parity superconductivity in ferromagnetic materials caused by repulsive electron interactions, where the superconducting pairing is driven by charge-density wave fluctuations. Our model is directly applicable to a lightly cobalt-doped LaNiO3 bilayer grown in the (111) direction. As the on-site repulsive interaction grows, a charge-density wave state with a charge pattern that respects all point-group symmetries of the bilayer is replaced by a superconducting state with an f-wave pairing.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
LaNi7/8Co1/8O3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
LaNi1-xCoxO3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown