Title :
Resolving sub-phonon wavelength super lattices using coherent acoustic phonon spectroscopy
Author :
Curtis, Jeremy A. ; Steigerwald, Andrew ; Reno, John L. ; Tolk, Norman H. ; Hilton, David J.
Author_Institution :
Dept. of Phys., Univ. of Alabama at Birmingham, Birmingham, AL, USA
Abstract :
We demonstrate that various features of a complex GaAs/AlGaAs heterostructure superlattice can be resolved using coherent acoustic phonon spectroscopy (CAP) and that CAP is a viable non-destructive metrological tool in the study of stratified media.
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; phonon spectra; semiconductor superlattices; CAP spectroscopy; GaAs-AlGaAs; coherent acoustic phonon spectroscopy; heterostructure superlattice; nondestructive metrological tool; subphonon wavelength super lattice; Acoustics; Gallium arsenide; HEMTs; Lattices; MODFETs; Phonons; Spectroscopy;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on
Conference_Location :
Mainz
DOI :
10.1109/IRMMW-THz.2013.6665631
