Microwave-assisted synthesis of nanocrystalline MWO4 (M: Ca, Ni) via water-based citrate complex precursor

Nano-sized MWO4 (M: Ca, Ni) powders, which have scheelite and wolframite type structure, were synthesised at low temperatures by a modified citrate complex method assisted by microwave irradiation. The citrate complex precursors were heat-treated at temperatures from 300 to 500 C for 3 h. Crystallis...

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