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Ag doped TiO 2 nanofibers were fabricated by electrospinning technique using polyvinyl pyrrolidone (PVP) and titanium isopropoxide (TiP) as precursor. The effects of silver and calcination temperature on the preparation of electrospun TiO 2 nanofibers were investigated. The calcination temperature determines the TiO 2 phases as ether anatase or rutile. When the calcination...
Effect of TiO2 additives on nitridation of Si powders at 1300°C and 1400°C was studied by combining X-ray diffraction, thermogravimetric analysis, and thermodynamic calculations. Weak Si3N4 phase was detected in pure Si powders after nitridation at 1300°C, whereas no Si3N4 phase was found in TiO2-doped Si powders and only secondary TiN phase was observed in addition to main Si phase. The TiO2 demonstrated...
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