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Dielectric Properties of Nanocrystalline TiO2 Prepared by the Stearic Acid Gel Method |
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| Authors: | DONG Wei RUAN Sheng-Ping ZHANG Xin-dong GUO Wen-bin LIU Cai-xia ZHANG Shuang JIA Cui-ping PAN Jian-xuan CHEN Wei-you |
| Affiliation: | State Key Laboratory on Integrate Optoelectronics, College of Electronic Sciences & Engineering Jilin University, Changchun 130023, P. R. China |
| Abstract: | Nanocrystalline TiO 2 was prepared by means of a stearic acid gel method. The product was investigated by differential thermal analysis, thermogravimetric analysis, X-ray powder diffraction and transmission electronic microscopy(TEM). The results of the dielectric properties tested indicate that the dielectric constant of anatase-form nanocrystalline TiO 2 is much higher than that of the coarse crystal. The dielectric constant of the nanocrystalline material is not related with the amplitude of an external AC field in a certain range. |
| Keywords: | Nanocrystalline TiO 2 Dielectric constant Dielectric loss |
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