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Article
Acoustic Properties of Nanoscale Oxide Heterostructures Probed by UV Raman Spectroscopy
Journal of Physics: Conference Series
Document Type
Article
Publication Date
1-1-2007
DOI
http://dx.doi.org/10.1088/1742-6596/92/1/012160
Disciplines
Abstract
We study high quality molecular-beam epitaxy grown BaTiO3/SrTiO3 superlat-tices using ultraviolet Raman spectroscopy. In the low energy spectral region, acoustic phonon doublets are observed. These are due to the artificial superlattice periodicity and consequent folding of the acoustic phonon dispersion. From the study of samples with different BaTiO3/SrTiO3 layer thicknesses the effective sound velocities within each of the layers are obtained.
Citation Information
Dmitri A Tenne. "Acoustic Properties of Nanoscale Oxide Heterostructures Probed by UV Raman Spectroscopy" Journal of Physics: Conference Series (2007) Available at: http://works.bepress.com/alex_punnoose/28/