Home News Short News Alexander von Humboldt Foundation selects Vivek Devulapalli to attend Summer School Publications of Jonathan S. Barnard 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