Raman spectra of titanium dioxide (anatase, rutile) with identified oxygen isotopes (16, 17, 18)
Literature Information
Otakar Frank, Marketa Zukalova, Barbora Laskova, Jenö Kürti, János Koltai, Ladislav Kavan
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

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