Epitaxial monolayer MoS2 on mica with novel photoluminescence - Qingqing Ji; Yanfeng Zhang; Teng Gao; Yu Zhang; Donglin Ma; Mengxi Liu; Yubin Chen; Xiaofen Qiao; Ping-Heng Tan; Min Kan; Ji Feng; Qiang Sun; et al. (Nano Letters, 2013)