Home News Short News Halil Ibrahim Sözen, Tilmann Hickel and Jörg Neugebauer win Best Paper Award Publications of Ruben R. Lieten All genres Journal Article (1) Journal Article (1) 1. Journal Article Zhang, S.; Zhang, Y.; Cui, Y.; Freysoldt, C.; Neugebauer, J.; Lieten, R. R.; Barnard, J. S.; Humphreys, C. J.: Interface structure and chemistry of GaN on Ge(111). Physical Review Letters 111 (25), 256101 (2013) MPG.PuRe DOI