EPR Study of TiO 2  (Rutile) Doped with Vanadium

A. I. Kokorin; A. A. Sukhanov; O. I. Gromov; V. M. Arakelyan; V. M. Aroutiounian; V. K. Voronkova

doi:10.1007/s00723-016-0762-z

EPR Study of TiO₂ (Rutile) Doped with Vanadium

Authors: Kokorin A.I.¹, Sukhanov A.A.², Gromov O.I.¹^,3, Arakelyan V.M.⁴, Aroutiounian V.M.⁴, Voronkova V.K.²
Affiliations:
1. N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences
2. Zavoisky Kazan Physical-Technical Institute, Russian Academy of Sciences
3. Chemistry Department, M. V. Lomonosov Moscow State University
4. Department of Physics of Semiconductors and Microelectronics, Yerevan State University
Issue: Vol 47, No 5 (2016)
Pages: 479-485
Section: Article
URL: https://journals.rcsi.science/0937-9347/article/view/247453
DOI: https://doi.org/10.1007/s00723-016-0762-z
ID: 247453

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Abstract

Samples of titanium dioxide, TiO₂, doped with vanadium ions (0.1 ≤ [Vⁿ⁺]₀ ≤ 5.0 at. %) at high temperature, were prepared in a polycrystalline state and investigated using X-, Q-, and W-band electron paramagnetic resonance, EPR, spectroscopy. Substitutional and interstitial V⁴⁺ centers in TiO₂ lattice have been both observed in EPR spectra, and their spin-Hamiltonian parameters were calculated. Portions of paramagnetic and diamagnetic species of Vⁿ⁺ ions were estimated. The effect of additional high temperature annealing on the valence state of vanadium centers is discussed.

Keywords

TiO2, Vanadium, Rutile, Briquette, Vanadium Center

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EPR Study of TiO2 (Rutile) Doped with Vanadium

Full Text

Abstract

Keywords

About the authors

A. I. Kokorin

A. A. Sukhanov

O. I. Gromov

V. M. Arakelyan

V. M. Aroutiounian

V. K. Voronkova

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EPR Study of TiO₂ (Rutile) Doped with Vanadium