Title :
Terahertz and infrared conductivity of large-area graphene
Author :
Ren, Lei ; Zhang, Qi ; Booshehri, Layla G. ; Hároz, Erik H. ; Arikawa, Takashi ; Nanot, Sebastien ; Kono, Junichiro ; Sun, Zhengzong ; Yan, Zheng ; Yao, Jun ; Jin, Zhong ; Tour, James M.
Author_Institution :
Dept. of Electr. & Comput. Eng., Rice Univ., Houston, TX, USA
Abstract :
We use terahertz time-domain spectroscopy and Fourier-transform infrared spectroscopy to investigate carrier dynamics in large-area chemical-vapor-deposition-grown graphene, and observed that the Fermi level of graphene can be tuned by both thermal annealing and electrical gating.
Keywords :
Fermi level; Fourier transform spectra; annealing; chemical vapour deposition; graphene; infrared spectra; terahertz wave spectra; time-domain analysis; C; Fermi level; Fourier transform infrared spectroscopy; carrier dynamics; chemical vapor deposition; electrical gating; infrared conductivity; large-area graphene; terahertz conductivity; terahertz time-domain spectroscopy; thermal annealing; Annealing; Conductivity; Logic gates; Silicon; Spectroscopy; Substrates; Ultrafast optics;
Conference_Titel :
Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2011 36th International Conference on
Conference_Location :
Houston, TX
Print_ISBN :
978-1-4577-0510-6
Electronic_ISBN :
2162-2027
DOI :
10.1109/irmmw-THz.2011.6105040
