Nano-metal compound oxide has attracted the most attention because of their excellent performance. Its application depends on the research work about the preparation, characterization and properties of nano-metal compound oxides.
MgCr2O4, MgAl2O4 and ZnGa2O4 belong to nano-metal compound oxides with a typical spinel-type structure. There are many conventional methods for preparation of spinel-type compounds, such as chemical precipitation method, sol-gel method, hydrothermal method and micro-e...