Characterizing silicon intercalated graphene grown epitaxially on Ir films by atomic force microscopy  

作　　者：张勇 王业亮 阙炎德 高鸿钧 

机构地区：[1]Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences [2]University of Chinese Academy of Sciences

出　　处：《Chinese Physics B》2015年第7期40-43,共4页中国物理B（英文版）

基　　金：supported by the National Basic Research Program of China(Grant Nos.2013CBA01600 and 2011CB932700);the National Natural Science Foundation of China(Grant Nos.61222112,61390501 and 51325204);Chinese Academy of Sciences(Grant Nos.1731300500015 and XDB07030100)

摘　　要：An efficient method based on atomic force microscopy（AFM） has been developed to characterize silicon intercalated graphene grown on single crystalline Ir（111） thin films. By combining analyses of the phase image, force curves,and friction–force mapping, acquired by AFM, the locations and coverages of graphene and silicon oxide can be well distinguished. We can also demonstrate that silicon atoms have been successfully intercalated between graphene and the substrate. Our method gives an efficient and simple way to characterize graphene samples with interacted atoms and is very helpful for future applications of graphene-based devices in the modern microelectronic industry, where AFM is already widely used.An efficient method based on atomic force microscopy（AFM） has been developed to characterize silicon intercalated graphene grown on single crystalline Ir（111） thin films. By combining analyses of the phase image, force curves,and friction–force mapping, acquired by AFM, the locations and coverages of graphene and silicon oxide can be well distinguished. We can also demonstrate that silicon atoms have been successfully intercalated between graphene and the substrate. Our method gives an efficient and simple way to characterize graphene samples with interacted atoms and is very helpful for future applications of graphene-based devices in the modern microelectronic industry, where AFM is already widely used.

关 键 词：GRAPHENE SILICON INTERCALATION atomic force microscopy 

分 类 号：O484.1[理学—固体物理]