Braun, A., Bayraktar, D., Erat, S., Harvey, A. S., Beckel, D., Purton, J. A., … Graule, T. (2009). Pre-edges in oxygen (1s) x-ray absorption spectra: a spectral indicator for electron hole depletion and transport blocking in iron perovskites. Applied Physics Letters, 94(20), 202102 (3 pp.). https://doi.org/10.1063/1.3122926