DocumentCode
732844
Title
Lateral photo-dember effect in graphene
Author
Chang-Hua Liu ; You-Chia Chang ; Seunghyun Lee ; Yaozhong Zhang ; Yafei Zhang ; Norris, Theodore B. ; Zhaohui Zhong
Author_Institution
Dept. of Electr. Eng. & Comput. Sci., Univ. of Michigan, Ann Arbor, MI, USA
fYear
2015
fDate
10-15 May 2015
Firstpage
1
Lastpage
2
Abstract
The photocurrent at graphene/metal junctions under femtosecond laser excitation is found to have its polarity fully determined by asymmetry in the electron-hole mobility; this suggests the existence of unexpected lateral photo-Dember effect in graphene.
Keywords
Dember effect; electron mobility; graphene; high-speed optical techniques; hole mobility; optical materials; photoconductivity; C; electron-hole mobility asymmetry; femtosecond laser excitation; graphene-metal junctions; lateral photo-Dember effect; photocurrent; polarity;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location
San Jose, CA
Type
conf
Filename
7183281
Link To Document