Characteristics of field emission from nanocrystalline metals

被引：13
|
作者：
Mulyukov, RR
Litvinov, EA
Zubairov, LR
Yumaguzin, YM
Ivchenko, VA
机构：
[1] Russian Acad Sci, Inst Met Superplast Problems, Ufa 450001, Russia
[2] Bashkir State Univ, Ufa 450074, Russia
[3] Russian Acad Sci, Ural Branch, Inst Electrophys, Ekaterinburg, Russia
来源：
PHYSICA B-CONDENSED MATTER | 2002年 / 324卷 / 1-4期
关键词：
field electron emission; nanocrystalline tungsten; total energy distribution;
D O I：
10.1016/S0921-4526(02)01419-9
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Nanocrystalline (NC) samples of tungsten have been investigated by transmission electron microscopy, field ion microscopy and field electron energy spectroscopy. It has been shown that energy distributions of field-emitted electrons from NC tungsten differ significantly from energy distributions of coarse-grained metal. Theoretical analysis shows that the revealed differences are caused by work function changes and Fermi's level shifts due to formation of NC structure in the metal. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：329 / 335
页数：7
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