Hole superconductivity in infinite-layer nickelates

Abstract

We propose that the superconductivity recently observed in Nd${}_{0.8}$Sr${}_{0.2}$NiO${}_2$ with critical temperature in the range $9$ K to $15$ K results from the same charge carriers and the same mechanism that we have proposed give rise to superconductivity in both hole-doped and electron-doped cuprates: pairing of hole carriers in oxygen $p\pi$ orbitals, driven by a correlated hopping term in the effective Hamiltonian that lowers the kinetic energy, as described by the theory of hole superconductivity. We predict a large increase in $T_c$ with compressive epitaxial strain.

4 pages, 4 figures

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• Superconducting materials classes: introduction and overview
• High-field Hall resistivity and magnetoresistance in electron-doped Pr_2-xCe_xCuO_{4-δ}
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• Hole superconductivity in Arsenic-Iron compounds
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Cited by in corpus (5)

• Late transition-metal oxides with infinite-layer structure: Nickelates versus cuprates
• Electronic structure of rare-earth infinite-layer ReNiO2 (Re=La, Nd)
• Two-band model for magnetism and superconductivity in nickelates
• Materials design of dynamically stable $d^9$ layered nickelates
• Magnetic penetration depth and $T_c$ in superconducting nickelates