Title :
Tracking charge carriers through space and time in single silicon core-shell nanowires
Author :
Seo, M.A. ; Yoo, J. ; Dayeh, S.A. ; Picraux, S.T. ; Taylor, A.J. ; Prasankumar, R.P.
Author_Institution :
Center for Integrated Nanotechnol., Los Alamos Nat. Lab., Los Alamos, NM, USA
Abstract :
We map space-and-time-dependent carrier dynamics in single silicon nanowires firstly, using ultrafast optical microscopy. This enables us to directly measure acoustic phonon oscillations and carrier velocities in Si and Si/SiO2 core-shell nanowires.
Keywords :
carrier mobility; elemental semiconductors; high-speed optical techniques; nanowires; optical microscopy; oscillations; phonons; silicon; silicon compounds; Si; Si-SiO2; acoustic phonon oscillations; carrier velocity; charge carrier tracking; single silicon core-shell nanowires; space-and-time-dependent carrier dynamics; ultrafast optical microscopy; Microscopy; Optical pumping; Oscillators; Probes; Silicon; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
