Home News Press Releases The role of Sodium for the Enhancement of Solar Cells Publications of Karl Engl All genres Journal Article (1) Journal Article (1) 1. Journal Article Krause, F. F.; Ahl, J.-P.; Tytko, D.; Choi, P.-P.; Egoavil, R.; Schowalter, M.; Mehrtens, T.; Müller-Caspary, K.; Verbeeck, J.; Raabe, D. et al.; Hertkorn, J.; Engl, K.; Rosenauer, A.: Homogeneity and composition of AlInGaN: A multiprobe nanostructure study. Ultramicroscopy 156, pp. 29 - 36 (2015) MPG.PuRe DOI