Abstract

The synthesis of the ternary Ti/Ni/Co nanocomposites was successfully performed using the Sol-Gel process. A novel approach of using titanium nitride (TiN) powder as a titanium source, along with nickel (II) nitrate hexahydrate (Ni(NO3)2.6H2O) as a nickel source, cobalt (II) nitrate hexahydrate ((Co(NO3)2.6H2O) as a cobalt source, and PEG-6000 as a stabilizer was used to successfully prepare the ternary Ti/Ni/Co nanocomposites. These nanocomposites exhibit a crystal size of 20 to 30 nm and the cubic B2 crystal structure, which is associated with the ternary Ti/Ni/Co phase. In order to study the corrosion resistance, thin films of the Ti/Ni/Co nanocomposites were spun coated onto glass heat treated at 250 °C for 4 h. The addition of Co in the Ti/Ni systems increased the magnetic properties. The addition of cobalt also, indirectly, caused a decrease in the corrosion resistance. Moreover, this study also demonstrated the successful use of TiN powder as a titanium source (instead of the traditional Ti powder or other titanium salts) to produce Ti/Ni/Co nanocomposites.

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