Title :
Uniformity of GaN nanorods on silicon substrates studied by ultrafast acoustic phonon spectroscopy
Author :
Chi-Yuan Yang ; Chih-Ta Chia ; Hung-Ying Chen ; Shangjr Gwo ; Kung-Hsuan Lin
Author_Institution :
Dept. of Phys., Nat. Taiwan Normal Univ., Taipei, Taiwan
Abstract :
We studied acoustic breathing modes of GaN nanorods on silicon substrates by ultrafast acoustic phonon spectroscopy. This technique could be utilized to nondestructively inspect uniformity of nanorods within the area of optical spot.
Keywords :
III-V semiconductors; gallium compounds; high-speed optical techniques; nanophotonics; nanorods; photoacoustic spectra; photoacoustic spectroscopy; silicon; GaN; Si; acoustic breathing modes; gallium nitride nanorods; silicon substrates; ultrafast acoustic phonon spectroscopy; Acoustics; Gallium nitride; Optical pumping; Oscillators; Phonons; Probes; Substrates;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
