Home News Press Releases Dr. Yan Ma receives Walter Benjamin Grant of the German Research Foundation 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