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Issue 42, 2012
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Raman spectra of titanium dioxide (anatase, rutile) with identified oxygen isotopes (16, 17, 18)

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Abstract

Six representative isotope-labeled samples of titanium dioxide were synthesized: Ti16O2, Ti17O2 and Ti18O2, each in anatase and rutile forms. Their Raman scattering was analyzed at temperatures down to 5 K. Spectral assignment was supported by numerical simulation using DFT calculations. The combination of experimental and theoretical Raman frequencies with the corresponding isotopic shifts allowed us to address various still-open questions about the second-order Raman scattering in rutile, and the analysis of overlapping features in the anatase spectrum.

Graphical abstract: Raman spectra of titanium dioxide (anatase, rutile) with identified oxygen isotopes (16, 17, 18)

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Article information


Submitted
08 Aug 2012
Accepted
29 Aug 2012
First published
31 Aug 2012

Phys. Chem. Chem. Phys., 2012,14, 14567-14572
Article type
Paper

Raman spectra of titanium dioxide (anatase, rutile) with identified oxygen isotopes (16, 17, 18)

O. Frank, M. Zukalova, B. Laskova, J. Kürti, J. Koltai and L. Kavan, Phys. Chem. Chem. Phys., 2012, 14, 14567
DOI: 10.1039/C2CP42763J

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