Intercalating LaXO3 (X=Al,Ga,Sc) into La2NiO4 electron-dopes Ni planes disorder-free, putting La2NiO4:La2AlO4 at optimal filling for d-wave Tc exceeding 50 K.
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Derives an exact downfolded effective model by integrating out the rest space, states conditions for perturbative truncation, and formally recovers cRPA with corrections.
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Heterostructuring as Gateway to Electron Doping of Nickelate Superconductors
Intercalating LaXO3 (X=Al,Ga,Sc) into La2NiO4 electron-dopes Ni planes disorder-free, putting La2NiO4:La2AlO4 at optimal filling for d-wave Tc exceeding 50 K.
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Exact downfolding and its perturbative approximation
Derives an exact downfolded effective model by integrating out the rest space, states conditions for perturbative truncation, and formally recovers cRPA with corrections.