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6 二次谐波表征晶界及晶粒的形成机理

Fig. 6 Characterization of the grain boundary by SHG and analysis of grain formation mechanism (a) Optical image and SHG mapping of the flake with boundary; Inset: illustration of the two edges growth at the boundary; (c) Illustration of the armchair directions of the two grains[24]