[P-14-11] First Principles Calculations on ∑ 3 Grain Boundary Impurities in Polycrystalline Silicon A. Suvitha1, N. S. Venkataramanan1, R. Sahara1, H. Mizuseki1, Y. Kawazoe1 (1.Tohoku Univ.) https://doi.org/10.7567/SSDM.2009.P-14-11