Preparation and Characterization of CuWO4 Nanoparticles | ||||
| Journal of Scientific Research in Science | ||||
| Article 20, Volume 33, part1, September 2016, Page 225-238 PDF (1.17 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jsrs.2016.15630 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
S. A. El-Gharbawy  1; M. A. Ahmed2; M. H. Khalil3; H. A. El-G hany4
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| 1Housing and Building National Research Center, Giza, Egypt | ||||
| 2Physics Dep., Faculty of Science, Cairo Univ., Giza, Egypt. | ||||
| 3Housing and Building National Research Center, Giza, Egypt. | ||||
| 4Physics Dep., Faculty of women for arts, science, and education, Ain Shams Univ. | ||||
| Abstract | ||||
| In this research work, CuWO4 nanocomposite powder was prepared via co-precipitation method. The resulting precipitates were annealed at 400oC with heating/cooling rate of 1oC/min. The obtained nanopowder was characterized by X – ray diffraction (XRD), Fourier transformation infrared (FTIR), Environmental Scanning Electron Microscope (ESEM) and High resolution transmission electron microscope (HRTEM). The thermal stability was investigated via differential thermal analysis (DTA) and thermo-gravimetric analysis (TGA). Dielectric constant (έ) and ac electrical conductivity (σac) for the prepared sample were measured in a wide temperature range as a function of frequency. . | ||||
| Keywords | ||||
| Tungsten–Copper; Co-precipitation method; Crystallite size; HRTEM; electrical properties | ||||
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