Cobalt silicide nanocables grown on Co films: Synthesis and physical properties

Cheng Lun Hsin, Shih Ying Yu, Wen Wei Wu

研究成果: 雜誌貢獻期刊論文同行評審

17 引文 斯高帕斯(Scopus)


Single-crystalline cobalt silicide/SiOx nanocables have been grown on Co thin films on an SiO2 layer by a self-catalysis process via vapor-liquid-solid mechanism. The nanocables consist of a core of CoSi nanowires and a silicon oxide shell with a length of several tens of micrometers. In the confined space in the oxide shell, the CoSi phase is stable and free from agglomeration in samples annealed in air ambient at 900 °C for 1 h. The nanocable structure came to a clear conclusion that the thermal stability of the silicide nanowires can be resolved by the shell encapsulation. Cobalt silicide nanowires were obtained from the nanocable structure. The electrical properties of the CoSi nanowires have been found to be compatible with their thin film counterpart and a high maximum current density of the nanowires has been measured. One way to obtain silicate nanowires has been demonstrated. The silicate compound, which is composed of cobalt, silicon and oxygen, was achieved. The Co silicide/oxide nanocables are potentially useful as a key component of silicate nanowires, interconnects and magnetic units in nanoelectronics.

出版狀態已出版 - 3 12月 2010


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