Amorphous and Polycrystalline Thin-Film Silicon Science and Technology-2006 : Symposium held April 18-21, 2006, San Francisco, California, U.S.A. MRS Vol.910 Vol.910 - editors, Sigurd Wagner, Virginia Chu, Harry A. Atwater,Jr., Kenji Yamamoto, Hsiao-Wen Zan (Materials Research Society (MRS), 2007)