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	Thermal Stability Improvement of Nickel Germanide Utilizing Nitrogen Plasma Pretreatment for Germanium-Based Technology
	Zhang, Bingxin ; An, Xia ; Liu, Pengqiang ; Li, Ming ; Lin, Meng ; Hao, Peilin ; Zhang, Xing ; Huang, Ru
	2016
关键词	germanium nitrogen plasma pretreatment (NPP) NiGe thermal stability LAYER
英文摘要	In this paper, a novel nitrogen plasma pretreatment (NPP) has been experimentally demonstrated to improve the thermal stability of thin NiGe film. The root mean square (RMS) roughness of NiGe film pretreated by NPP technique is reduced to 0.52nm, illustrating more uniform and smooth NiGe film than that without pretreatment. The thermal stability of NiGe film is improved to at least 600 degrees C by this technique. The NPP process time is also optimized to be 30s similar to 120s. The very thin interfacial layer of GeNx formed on Ge surface by NPP technique is believed to suppress oxygen diffusion, thus improving the surface morphology of NiGe film. The formation of Ge-N and/or Ni-N chemical bonds, which inhibits the agglomeration of NiGe, may also help to improve the thermal stability. Therefore, this technique shows great potential for Ge-based technology.; CPCI-S(ISTP); anxia@ime.pku.edu.cn; ruhuang@pku.edu.cn
语种	英语
出处	7th IEEE International Nanoelectronics Conference
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/460112]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Zhang, Bingxin,An, Xia,Liu, Pengqiang,et al. Thermal Stability Improvement of Nickel Germanide Utilizing Nitrogen Plasma Pretreatment for Germanium-Based Technology. 2016-01-01.

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