Home News Short News Professor Dierk Raabe elected to the National Academy of Engineering Class of 2025 Publications of Helge S. Stein All genres Journal Article (1) Journal Article (1) 1. Journal Article Stein, H. S.; Zhang, S.; Li, Y.; Scheu, C.; Ludwig, A.: Photocurrent recombination through surface segregation in Al–Cr–Fe–O photocathodes. Zeitschrift für physikalische Chemie 234 (4), pp. 605 - 614 (2020) MPG.PuRe DOI publisher-version