Home News Press Releases Dr. Yan Ma receives Walter Benjamin Grant of the German Research Foundation Publications of Stefan Krischok All genres Journal Article (2) Journal Article (2) 1. Journal Article Lymperakis, L.; Neugebauer, J.; Himmerlich, M.; Krischok, S.; Rink, M.; Kröger, J.; Polyakov, V. M.: Adsorption and desorption of hydrogen at nonpolar GaN(1(1)over-bar00) surfaces: Kinetics and impact on surface vibrational and electronic properties. Physical Review B 95 (19), 195314 (2017) MPG.PuRe DOI 2. Journal Article Himmerlich, M.; Lymperakis, L.; Gutt, R.; Lorenz, P.; Neugebauer, J.; Krischok, S.: GaN(0001)surface states: Experimental and theoretical fingerprints to identify surface reconstructions. Physical Review B 88 (12), 125304 (2013) MPG.PuRe DOI