Jha, P. ; Arya, P. R. ; Ganguli, A. K. (2003) Dielectric properties of lead zirconium titanates with nanometer size grains synthesized by the citrate precursor route Materials Chemistry and Physics, 82 (2). pp. 355-361. ISSN 0254-0584
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0254-0584(03)00266-9
Abstract
Monophasic oxides of the formula, PbZrxTi1−xO3 (0.0≤x≤0.75) were obtained at temperatures close to 500 °C from polymeric precursors formed using citric acid and ethylene glycol. The oxides were found to be tetragonal for lower values of x and rhombohedral for x=0.75. X-ray line broadening studies along with transmission electron microscopy (TEM) show grain size in the range 50-60 nm for all the compositions. The dielectric constant of the above oxides increases with increase in Zr substitution and has a maximum value (ε=235) for PbZr0.75Ti0.25O3. The dielectric loss varies from 0.005 at 100 kHz and increases to 0.13 at 500 kHz.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Oxides; Sintering; Electron Microscopy; Dielectric Properties |
| ID Code: | 61950 |
| Deposited On: | 16 Sep 2011 03:49 |
| Last Modified: | 16 Sep 2011 03:49 |
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