Home News Short News Humboldt Fellowship supports research on fuel cell catalysts from recycled metals 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