Synthesis and characterization of tantalum nitride nanopowder prepared through homogeneous reaction

摘要：

Tantalum nitride powders with particle size of 20.50 nm were prepared by the homogeneous reduction in liquid ammonia,and were treated at the temperature range from 500 ℃ to 1 170 ℃.The results of XRD analysis indicate that the powders heated up to 500 ℃ are in the form of amorphous.The powder heated at 600 ℃ tends to transform into crystal,the powder heated to temperatures higher than 700 ℃ is clearly of crystal.The results of surface area analysis by BET show that the surface area of the powder increases as the heating temperature increases,and reaches a maximum value of 21.8 m2/g at the heating temperature around 700 ℃.

关键词： homogeneous reduction tantalum nano powder BET surface area analysis

作者: MA Chun-hong ZHANG Wei-feng HE Ji-lin ZHU Hong-min

作者单位: School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beij School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beij Ningxia Orient Tantalum Industry Ltd.,Shizuishan 753000,China

会议类型: 国际会议

会议名称: 2007年国际有色金属大会(International Conference of Nonfereous Materials 2007)(ICNFM)

会议地点: 长沙

会议语种:英文

在线出版日期: 2007-11-28（万方平台首次上网日期，不代表论文的发表时间）