Field emission from single-crystalline CeB6 nanowires

被引:17
|
作者
Zhao Yanming [1 ]
Ouyang Liusheng [1 ]
Zou Chunyun [1 ]
Xu Junqi [1 ]
Dong Youzhong [1 ]
Fan Qinghua [1 ]
机构
[1] S China Univ Technol, Sch Phys, Guangzhou 510640, Guangdong, Peoples R China
关键词
CeB6; nanowires; field emission; rare earths; ALIGNED CARBON NANOTUBES; SELF-CATALYST GROWTH; LAB6; WHISKERS; EMITTERS;
D O I
10.1016/S1002-0721(09)60126-5
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
We presented a field electron emission measurement of single crystalline CeB6 nanowires. The nanowires exhibited a low turn-on electric field (7.6 V/mu m at 10 mu A/cm(2)), and the deviation of Fowler-Nordheim (F-N) plots from straight line was observed in field electron emission measurements. The field enhancement factors were obtained by separate straight line fitting. The nonlinearity in the F-N plots may be attributed to the non-uniform field electron emission of CeB6 nanowires. The field emission properties of the CeB6 nanowires indicated a competitive candidate for field-emission-based application.
引用
收藏
页码:424 / 427
页数:4
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