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

Literature Information

Publication Date 2012-08-31
DOI 10.1039/C2CP42763J
Impact Factor 3.676
Authors

Otakar Frank, Marketa Zukalova, Barbora Laskova, Jenö Kürti, János Koltai, Ladislav Kavan


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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.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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