ARPES on (La,Pr,Sm)3Ni2O7 films reveals quasi-2D dx2-y2 bands, finite kz dispersion on dz2 bands, and a superconducting gap of ~18 meV with 2Δ/kBTc ~8 on the dz2-derived band.
Shi et al., Pressure induced superconductivity in hybrid Ruddlesden‒Popper La5Ni3O11 single crystals Nat
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Three-Dimensional Electronic Structures in Superconducting Ruddlesden-Popper Bilayer Nickelate Films
ARPES on (La,Pr,Sm)3Ni2O7 films reveals quasi-2D dx2-y2 bands, finite kz dispersion on dz2 bands, and a superconducting gap of ~18 meV with 2Δ/kBTc ~8 on the dz2-derived band.