Change of the short-range scattering in the graphene covered with Bi2O3 clusters

被引：2
作者：
Zhao, Bo [1 ,2 ]
Chen, Taishi [1 ,2 ]
Pan, Haiyang [1 ,2 ]
Fu, Dongzhi [1 ,2 ]
Han, Yuyan [3 ]
机构：
[1] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[2] Nanjing Univ, Coll Phys, Nanjing 210093, Jiangsu, Peoples R China
[3] Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Anhui, Peoples R China
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2016年 / 78卷
基金：
中国国家自然科学基金;
关键词：
Graphene; Short-range scattering; Bi2O3; cluster; SdH oscillation; O-species adsorbates; X-RAY PHOTOELECTRON; SURFACE-STATES; OXYGEN; GAS; ADSORPTION; ELECTRON; TRANSPORT;
D O I：
10.1016/j.physe.2015.11.029
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this work, we have studied the oxidation process of the bismuth doped graphene in the ambient air. Complete oxidation of the bismuth clusters and that of the graphene are firmly confirmed. The influence of oxygen on the graphene is characterized by means of Hall measurement and SdH oscillation. All transport measurements demonstrate a hole-type doping behavior. Our work also demonstrates that the short-range scattering mechanism is enhanced in doped graphene due to accumulated O-species adsorbates after being exposed in the atmosphere for 40 days and is suppressed after annealing. This investigation may open a new perspective for fabricating the graphene metal oxide devices. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：79 / 84
页数：6
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