First-principles models plus fluctuation-exchange calculations suggest the infinite-layer nickelate (Nd,Sr)NiO2 pairs electrons with d_x2-y2 symmetry like the cuprates, with a reduced Tc caused by stronger interactions and a narrower bandwidth.
The suppression of superconductivity due to large ∆ dp has been pointed out in previous studies for the cuprates[44– 46]
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Model construction and a possibility of cuprate-like pairing in a new d9 nickelate superconductor (Nd,Sr)NiO2
First-principles models plus fluctuation-exchange calculations suggest the infinite-layer nickelate (Nd,Sr)NiO2 pairs electrons with d_x2-y2 symmetry like the cuprates, with a reduced Tc caused by stronger interactions and a narrower bandwidth.