Home News Press Releases Highest German research award goes to Max Planck material scientist 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