Thermal stability of ultrathin RuC film as Cu diffusion barrier
The properties of ultrathin RuC film and RuC/TaN stack as the Cu diffusion barrier on Si substrate were studied. The results show that the thermal stability of the Cu/RuC/TaN/Si structure is better than that of the Cu/Ru/TaN/Si structure. A flush TaN layer can improve the thermal stability of RuC film and make it a more robust diffusion barrier for Cu metallization.
Shao-Feng Ding Qi Xie Christophe Detavernier Xin-Ping Qu
State Key lab of ASIC and System, Department of Microelectronics, Fudan University, Shanghai 200433, Department of Solid State Science, Ghent University, Krijgslaan 281/S1, B-9000 Ghent, Belgium
国际会议
上海
英文
1009-1011
2010-11-01(万方平台首次上网日期,不代表论文的发表时间)