二次谐波在二维材料结构表征中的应用
夏芳芳, 王发坤, 胡海龙, 许翔, 李阳, 翟天佑

Application of Second Harmonic Generation in Characterization of 2D Materials
XIA Fangfang, WANG Fakun, HU Hailong, XU Xiang, LI Yang, ZHAI Tianyou
图5 二次谐波表征二维材料晶界及晶体取向
Fig. 5 Characterization of the grain boundary and crystal orientation of two-dimensional materials by SHG
(a-b) Optical image and SHG image of a polycrystalline monolayer of MoS2 of the same area; (c) Polarized-SHG image showing the crystal orientations[43]; (d) Dark-field SHG imaging of a monolayer MoSe2[44]