Spectral properties of different phase composition TiO2

Valentyna V. Shymanovska; Tamara V. Bezrodna; Vladimir I. Melnyk; Viktor S. Manzhara; Tatjana A. Khalyavka; Tatjana I. Viktorova; Jan Baran

doi:10.1117/12.569619

20 July 2004 Spectral properties of different phase composition TiO₂

Valentyna V. Shymanovska, Tamara V. Bezrodna, Vladimir I. Melnyk, Viktor S. Manzhara, Tatjana A. Khalyavka, Tatjana I. Viktorova, Jan Baran

Author Affiliations +

Proceedings Volume 5507, XVI International Conference on Spectroscopy of Molecules and Crystals; (2004) https://doi.org/10.1117/12.569619
Event: XVI International Conference on Spectroscopy of Molecules and Crystals, 2003, Sevastopol, Ukraine

Abstract

Characteristic scattering band in the spectral region of 280-380 nm with the maximum of 300-310 nm is observed in the spectra of diffuse scattering for rutile, contrary to anatase sample. Spectral parameters of this band depend on the treatment temperature. Doping of Ti0₂ samples with Cu, Fe, Co, Cr atoms does not affect the spectral position of the band wing in their diffuse scattering. Luminescence spectra of rutile have only short-wavelength components. Anatase has both fluorescence and phosphorescence at T=4.2 K. At room temperature there is no luminescence detected. Cation-doped anatase does not luminescence at all studied temperatures. Their absorption spectra have a new band in the region of 325-405 nm, which spectral parameters depend on the type ofdoping cation.

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Valentyna V. Shymanovska, Tamara V. Bezrodna, Vladimir I. Melnyk, Viktor S. Manzhara, Tatjana A. Khalyavka, Tatjana I. Viktorova, and Jan Baran "Spectral properties of different phase composition TiO₂", Proc. SPIE 5507, XVI International Conference on Spectroscopy of Molecules and Crystals, (20 July 2004); https://doi.org/10.1117/12.569619

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