Title :
Electronic cooling in epitaxial and CVD graphene
Author :
Mihnev, Momchil T. ; Winzer, Torben ; Seunghyun Lee ; Zhaohui Zhong ; Berger, Claire ; de Heer, Walt A. ; Malic, Ermin ; Knorr, Andreas ; Norris, Theodore B.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Univ. of Michigan, Ann Arbor, MI, USA
Abstract :
Using ultrafast optical-pump terahertz-probe spectroscopy, we study the THz dynamics and electronic cooling in few-layer epitaxial and CVD graphene; a microscopic theory of carrier-carrier and carrier-phonon interactions accounts quantitatively for the observed dynamics.
Keywords :
chemical vapour deposition; cooling; epitaxial layers; graphene; optical pumping; phonons; terahertz wave spectra; C; CVD graphene; carrier-carrier interaction; carrier-phonon interaction; electronic cooling; few-layer epitaxial graphene; microscopic theory; terahertz dynamics; ultrafast optical-pump terahertz-probe spectroscopy; Cooling; Epitaxial growth; Graphene; Microscopy; Optical pumping; Substrates; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
