Type Methods Frequency 4 Aliases electron energy loss spectroscopy (EELS) Related papers Decoding Superconductivity in La3Ni2O7-δ Thin Films via Ozone-Driven Structure and Oxidation Tuning Controlling the Band Filling and the Band Width in Nickelate Superconductors Interstitial oxygen order and its competition with superconductivity in La2PrNi2O7+δ Visualization of oxygen vacancies and self-doped ligand holes in La3Ni2O7−δ