Unexpected two-phase lithiation of amorphous Si

Two-phase electrochemical lithiation in amorphous silicon
Jiangwei Wang, Yu He, Feifei Fan, Xiao-Hua Liu, Shuman Xia, Yang Liu, Thomas Harris, Hong Li, Jian Yu Huang, Scott X. Mao, and Ting Zhu
Nano Letters, Publication Date (Web): January 16, 2013
http://pubs.acs.org/doi/abs/10.1021/nl304379k

In-situ TEM of two-phase lithiation of amorphous silicon nanospheres
Matthew T. McDowell, Seok Woo Lee, Justin T. Harris, Brian A. Korgel, Chongmin Wang, William D. Nix, and Yi Cui
Nano Letters, Publication Date (Web): January 16, 2013
http://pubs.acs.org/doi/abs/10.1021/nl3044508