Yin Jianbo, Zhao Xiaopeng. Preparation and Electrorheological Characteristics of Rare Earth-Doped TiO2 Suspensions[J]. Chinese Journal of Chemical Physics , 2001, 14(6).
Citation: Yin Jianbo, Zhao Xiaopeng. Preparation and Electrorheological Characteristics of Rare Earth-Doped TiO2 Suspensions[J]. Chinese Journal of Chemical Physics , 2001, 14(6).

Preparation and Electrorheological Characteristics of Rare Earth-Doped TiO2 Suspensions

  • Received Date: 2001-08-14
  • Doping rare earth ion into TiO2has been found to enhance its electrorheological (ER) effect. The typical yield stress is about 5 kPa at 3 kV/mm DC electric field. The thermal character of xerogel and the crystal structure of produced particles are characterized by DSC, TG, FTIR and XRD techniques. The results show that the xerogels of pure and doped TiO2are calcined to form anatase crystalline. Rare earth ions substitute for Ti and cause striking lattice distortion in the suitable range of rare earth content. We contribute the enhancement of ER effect to the influence of rare earth substitution on dielectric properties of TiO2.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Preparation and Electrorheological Characteristics of Rare Earth-Doped TiO2 Suspensions

Abstract: Doping rare earth ion into TiO2has been found to enhance its electrorheological (ER) effect. The typical yield stress is about 5 kPa at 3 kV/mm DC electric field. The thermal character of xerogel and the crystal structure of produced particles are characterized by DSC, TG, FTIR and XRD techniques. The results show that the xerogels of pure and doped TiO2are calcined to form anatase crystalline. Rare earth ions substitute for Ti and cause striking lattice distortion in the suitable range of rare earth content. We contribute the enhancement of ER effect to the influence of rare earth substitution on dielectric properties of TiO2.

Yin Jianbo, Zhao Xiaopeng. Preparation and Electrorheological Characteristics of Rare Earth-Doped TiO2 Suspensions[J]. Chinese Journal of Chemical Physics , 2001, 14(6).
Citation: Yin Jianbo, Zhao Xiaopeng. Preparation and Electrorheological Characteristics of Rare Earth-Doped TiO2 Suspensions[J]. Chinese Journal of Chemical Physics , 2001, 14(6).

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