Proximity-induced superconductivity in monolayer CuO2 on cuprate substrates

Guo-Yi Zhu; Fu-Chun Zhang; Guang-Ming Zhang

doi:10.1103/PhysRevB.94.174501

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Proximity-induced superconductivity in monolayer CuO2 on cuprate substrates

Guo-Yi Zhu, Fu-Chun Zhang, Guang-Ming Zhang

DOI 10.1103/PhysRevB.94.174501 · Physical Review B

T1

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Abstract

To understand the recently observed high temperature superconductivity in the monolayer CuO2 grown on the Bi2Sr2CaCu2O8+δ substrates, we propose a two-band model of the hybridized oxygen px and py orbitals with the proximity effect of the substrate. We demonstrate that both the nodal and nodeless superconducting states can be induced by the proximity effect, depending on the strengths of the pairing parameters.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
CuO2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
Bi2Sr2CaCu2O8+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown