Electron field emission properties on ultra-nano-crystalline diamond coated silicon nanowires
學年 96
學期 2
出版（發表）日期 2008-07-01
作品名稱 Electron field emission properties on ultra-nano-crystalline diamond coated silicon nanowires
作品名稱（其他語言）
著者 Tzeng, Y. F.; Lee, C. Y.; Chiu, H. T.; Tai, N. H.; 林諭男; Lin, I-nan
單位 淡江大學物理學系
出版者 Elsevier
著錄名稱、卷期、頁數 Diamond and Related Materials 17(7-10), pp.1817-1820
摘要 Ultra-nano-crystalline diamond (UNCD) nano-emitters were prepared by coating UNCD films on the tip of silicon nanowire (SiNW) templates by microwave plasma-enhanced chemical vapor deposition process. The electron field emission properties of the UNCD/SiNW nano-emitters varied markedly with the pre-seeding process for the SiNW-templates. The direct ultrasonication process is more efficient in the formation of the diamond nuclei than the carburization/ultrasonication process, yielding UNCD/SiNWs nano-emitters with better electron field emission properties. The electron field emission can be turned on at (E0)UNCD/SiNW4 = 3.75 V/µm, yielding a large electron field emission current density of (Je)UNCD/SiNW4 = 11.22 mA/cm2 at an applied field of 9.75 V/µm. These characteristics are significantly better than those of bare SiNWs or planar UNCD films.
關鍵字 Electron field emission properties;Ultra-nano-crystalline diamond (UNCD);Silicon nanowires (SiNWs);UNCD nano-emitters
語言 en
ISSN 0925-9635
期刊性質 國內
收錄於
產學合作
通訊作者
審稿制度 否
國別 TWN
公開徵稿
出版型式 ,電子版
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