Graphene ladder: A model of field emission center on the surface of loose nanocarbon materials

被引:14
作者
Babenko, A. Yu. [1 ]
Dideykin, A. T. [2 ]
Eidelman, E. D. [1 ,2 ]
机构
[1] St Petersburg State Chem Pharmaceut Acad, St Petersburg 197376, Russia
[2] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 196140, Russia
关键词
ELECTRON-EMISSION; FILM DEPOSITION; CARBON-FILMS; DIAMOND; MECHANISM;
D O I
10.1134/S1063783409020371
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The anomalously low efficiency of the work function (on the scale of a few tenths or hundredths of an electron-volt) and other unusual properties of the field emission from some types of nanocarbon materials are shown to be explained by assuming that graphene ladders are drawn out from their surface along the applied electric field. The ladders are structures consisting of one or several graphene sheets and extending to a height of several tens of times larger than the width of the base fixing the ladder to the film.
引用
收藏
页码:435 / 439
页数:5
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