Author/Authors :
Shi، نويسنده , , Liang and Gu، نويسنده , , Yunle and Chen، نويسنده , , Luyang and Yang، نويسنده , , Zeheng and Ma، نويسنده , , Jianhua and Qian، نويسنده , , Yitai، نويسنده ,
Abstract :
Nanocrystalline niobium carbide (NbC) was successfully synthesized at 550 °C by using a co-reduction route. X-ray powder diffraction and X-ray photoelectron spectra confirmed the formation of cubic NbC. Transmission electron microscopy image revealed that typical NbC crystallites are composed of uniform particles having an average size of about 30 nm. Thermogravimetric analysis showed that the oxidation of nanocrystalline NbC occurred between 350 and 550 °C.
Keywords :
Niobium carbide , Oxidation , chemical synthesis , Transmission electron microscopy , Nanocrystalline
