Title :
Coherent phonon spectroscopy of semiconductor-metal interfaces
Author_Institution :
Center for Condensed Matter Sci., Nat. Taiwan Univ., Taiwan
Abstract :
Coherent LO and LA phonons of GaP-Au Schottky interfaces are probed with TRSHG technique. The driving mechanisms for these phonon modes are proposed. Bias-dependent carrier and phonon interaction can now be investigated in femtosecond timescale.
Keywords :
III-V semiconductors; Schottky effect; gallium compounds; gold; high-speed optical techniques; optical harmonic generation; phonon-phonon interactions; spectroscopy; GaP-Au; GaP-Au Schottky interfaces; bias-dependent carrier; coherent phonon spectroscopy; femtosecond timescale; phonon interaction; phonon modes; semiconductor-metal interfaces; Brillouin scattering; Frequency; Light scattering; Phonons; Raman scattering; Semiconductor-metal interfaces; Spectroscopy; Time measurement; Ultrafast optics; Voltage;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on
Print_ISBN :
0-7803-7766-4
DOI :
10.1109/CLEOPR.2003.1274651
