Synthesis of Metastable, Wurzite-Based Zinc Oxide-Cobalt(II) Oxide Solid Solutions by Spray Pyrolysis |
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Authors: | Vikram Jayaram J. Rajkumar B. Sirisha Rani |
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Affiliation: | Department of Metallurgy, Indian Institute of Science, Bangalore 560012, India |
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Abstract: | Aqueous solutions of acetates and nitrates of zinc and cobalt have been spray decomposed to study the production of extended solid solutions in the ZnO–CoO system. Examination of the products of a variety of synthesis conditions indicates that up to 70% CoO may be retained in the solid solution in the wurzite phase, even though a comparison of the equilibrium solubility in the phase diagram might be expected to favor the formation of a rock-salt-based solid solution. |
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