Home News Press Releases Max Planck materials scientist wins Starting Grant of European Research Council Publications of Baohua Ji All genres Journal Article (1) Journal Article (1) 1. Journal Article Kauffmann, F.; Ji, B.; Dehm, G.; Gao, H.; Arzt, E.: A quantitative study of the hardness in a superhard nanocrystalline titanium nitride/silicon nitride coating. Scripta Materialia 52 (12), pp. 1269 - 1274 (2005) MPG.PuRe DOI