Energy distributions of electrons emitted from tungsten tips covered by diamond-like films

被引：4
|
作者：
Pshenichnyuk, SA
Yumaguzin, YM
机构：
[1] Russian Acad Sci, Ufa Sci Ctr, Inst Phys Mol & Crystals, Ufa 450075, Bashkortostan, Russia
[2] Bashkir State Univ, Ufa 450074, Bashkortostan, Russia
来源：
TECHNICAL PHYSICS | 2004年 / 49卷 / 05期
关键词：
D O I：
10.1134/1.1758340
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The energy distribution of electrons emitted from the surface of diamond-like pointed cathodes under the action of a high electric field is reported. Diamond-like coatings are applied on thin tungsten tips by ion-beam evaporation in an ultrahigh vacuum. The structure of the carboniferous films covering the tungsten tips is examined by field-emission microscopy. The stability of the field-emission cathode current is considered, and the Fowler-Nordheim I-V characteristics are presented. Based on the results obtained, a model of field-emission cathode covered by a thin diamond-like coating that explains the energy distributions is suggested. (C) 2004 MAIK "Nauka/Interperiodica".
引用
收藏
页码：623 / 629
页数：7
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