[PS-8-6] Free Exciton Emission from Hexagonal Boron Nitride Films Grown on Sapphire Substrates by Low Pressure Chemical Vapor Deposition ○N. Umehara1, A. Masuda1, T. Shimizu1, T. Kouno1, H. Kominami1, K. Hara1 (1.Shizuoka Univ.(Japan))