Title :
Terahertz imaging and spectroscopy of single-layer graphene embedded in dielectrics
Author :
Paul, M.J. ; Tomaino, J.L. ; Kevek, J.W. ; Deborde, T.A. ; Thompson, Z.J. ; McEuen, P.L. ; Minot, E.D. ; Lee, Yun-Shik
Author_Institution :
Dept. of Phys., Oregon State Univ., Corvallis, OR, USA
Abstract :
We study graphene/dielectric interfaces using THz imaging and spectroscopy. Non-contacting, non-destructive THz probing reveals the local sheet conductivity of single-layer graphene deposited on a Si substrate and covered by a thin PMMA layer.
Keywords :
dielectric thin films; electrical conductivity; graphene; interface phenomena; polymer films; terahertz wave imaging; terahertz wave spectra; C; Si; THz imaging; THz spectroscopy; graphene-dielectric interface; local sheet conductivity; noncontacting nondestructive THz probe; silicon substrate; single-layer graphene; terahertz imaging; terahertz spectroscopy; thin PMMA layer; Conductivity; Films; Imaging; Silicon; Spectroscopy; Substrates;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6