Title :
Is graphene contacting with metal still graphene?
Author :
Nagashio, K. ; Moriyama, T. ; Ifuku, R. ; Yamashita, T. ; Nishimura, T. ; Toriumi, A.
Author_Institution :
Dept. of Mater. Eng., Univ. of Tokyo, Tokyo, Japan
Abstract :
This paper focuses both electrical transport and Raman characteristics of graphene underneath the metal. We have found that there is only a weak interaction between metal and graphene, while graphene is significantly affected by the substrate underneath graphene.
Keywords :
field effect transistors; graphene; C; FET; Raman characteristic; electrical transport; weak interaction; Conductivity; Contacts; Electrodes; Modulation; Nickel; Silicon;
Conference_Titel :
Electron Devices Meeting (IEDM), 2011 IEEE International
Conference_Location :
Washington, DC
Print_ISBN :
978-1-4577-0506-9
Electronic_ISBN :
0163-1918
DOI :
10.1109/IEDM.2011.6131475