Si nanowire semisphere-like ensembles as field emitters
Literature Information
Xiaosheng Fang, Yoshio Bando, Changhui Ye, Guozhen Shen, Ujjal K. Gautam, Chengchun Tang, Dmitri Golberg
Silicon nanowires assembled in micro-sized semispheres were synthesized through simple thermal evaporation without using any templates and metal particle catalysts; electron microscopy revealed that the nanowires within semisphere ensembles are well-aligned and evenly distributed; a typical nanowire array density was of ∼4 × 109 cm−2; field-emitting characteristics of the arrays were analyzed.
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