[PS-8-7] N-face GaN (000-1) Films with Hillock-Free Smooth Surfaces Grown by Group-III-Source Flow-Rate Modulation Epitaxy C. H. Lin1, ○T. Akasaka1, H. Yamamoto1 (1.NTT Corp.(Japan)) https://doi.org/10.7567/SSDM.2015.PS-8-7