Field emission from single-crystalline CeB6 nanowires

被引：18

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

来源：

JOURNAL OF RARE EARTHS | 2010年 / 28卷 / 03期

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

页码：424 / 427

页数：4

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