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Structural and electrical conductivity studies on (M,V)-TiO2 (M=Al, Cr, Fe) rutile solid solutions at high temperature

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Abstract

In this study, M x Ti0.91−1.82x V0.09+0.82x O2 (0≤x≤0.1; M=Al, Cr, Fe) solid solutions have been synthesized by ceramic method and characterized by X-ray diffraction and electron microscopy. The results indicate that rutile solid solutions' stability depends on the trivalent cation (M). Solid solutions are stable at 1000 °C, but only when M=Cr is a single phase with rutile structure obtained at 1400 °C. The electrical behavior of the system studied corresponds to extrinsic p-type semiconduction and electrical conductivity is related to the stability of rutile solid solutions.

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Authors and Affiliations

  1. Inorganic Chemistry Area, Inorganic and Organic Chemistry Department, Jaume I University, Castellón, Spain

    M. A. Tena, M. Llusar, J. A. Badenes, J. Calbo & G. Monrós

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  1. M. A. Tena
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  2. M. Llusar
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  3. J. A. Badenes
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  4. J. Calbo
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  5. G. Monrós
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Tena, M.A., Llusar, M., Badenes, J.A. et al. Structural and electrical conductivity studies on (M,V)-TiO2 (M=Al, Cr, Fe) rutile solid solutions at high temperature. Journal of Materials Science: Materials in Electronics 15, 265–270 (2004). https://doi.org/10.1023/B:JMSE.0000012466.44015.30

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  • DOI: https://doi.org/10.1023/B:JMSE.0000012466.44015.30

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