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- Title
Thin film substrates from the Raman spectroscopy point of view.
- Authors
Gasparov, L.; Jegorel, T.; Loetgering, L.; Middey, S.; Chakhalian, J.
- Abstract
We have investigated ten standard single crystal substrates of complex oxides on the account of their applicability in the Raman spectroscopy-based thin film research. In this study, we suggest a spectra normalization procedure that utilizes a comparison of the substrate's Raman spectra to those of well-established Raman reference materials. We demonstrate that MgO, LaGaO3, (LaAlO3)0.3(Sr2AlTaO6)0.7 (LSAT), DyScO3, YAlO3, and LaAlO3 can be of potential use for Raman-based thin film research. At the same time TiO2 (rutile), NdGaO3, SrLaAlO4, and SrTiO3 single crystals exhibit multiple phonon modes accompanied by strong Raman background that substantially hinder Raman-based thin film experiments. Copyright © 2014 John Wiley & Sons, Ltd.
- Subjects
CRYSTALS spectra; RAMAN spectroscopy; THIN film research; RAMAN spectra; PHONON spectra
- Publication
Journal of Raman Spectroscopy, 2014, Vol 45, Issue 6, p465
- ISSN
0377-0486
- Publication type
Article
- DOI
10.1002/jrs.4487