Extended Data Fig. 7: Statistics of interstitial oxygen content of the HPO sample.
From: Interstitial oxygen order and its competition with superconductivity in La2PrNi2O7+δ
a, MEP-reconstructed image from Fig. 3e, with the positions of interstitial and planar oxygens highlighted as red points. b, Color-coded map showing the normalized phase values of interstitial oxygens relative to planar oxygens. c, Histogram of phase values for interstitial and planar oxygens, showing a normalized phase value of 0.23 ± 0.07 for interstitial oxygen columns relative to planar oxygens. Accordingly, the resulting oxygen hyper-stoichiometry is also estimated as δ = 0.23 ± 0.07.
