most citedCollective nature of orbital excitations in layered cuprates in the absence of apical oxygens

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cond-mat.str-el2023★ 16 cited

Collective nature of orbital excitations in layered cuprates in the absence of apical oxygens

Leonardo Martinelli, Krzysztof Wohlfeld, Jonathan Pelliciari +19

We have investigated the 3d orbital excitations in CaCuO2 (CCO), Nd2CuO4 (NCO), and La2CuO4 (LCO) using high-resolution resonant inelastic x-ray scattering. In LCO they behave as w…