Work function measurements using a field emission retarding potential technique

被引：3
|
作者：
Hamanaka, M. H. M. O. [1 ]
Dall'Agnol, F. F. [2 ]
Pimentel, V. L. [1 ,3 ]
Mammana, V. P. [1 ]
Tatsch, P. J. [3 ]
den Engelsen, D. [4 ]
机构：
[1] Ctr Informat Technol Renato Archer, D Pedro 1 SP 65,Km 143-6, BR-13069901 Campinas, SP, Brazil
[2] Santa Catarina Fed Univ Blumenau SC, R Pomerode 710, BR-89065300 Blumenau, Brazil
[3] Univ Estadual Campinas, Sch Elect & Comp Engn, BR-13083852 Campinas, SP, Brazil
[4] Brunel Univ, Wolfson Ctr Mat Proc, Ctr Phosphor & Display Mat, Uxbridge UB8 3PH, Middx, England
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2016年 / 87卷 / 03期
关键词：
SURFACE-ROUGHNESS; ELECTRON SOURCE; ENERGY ANALYZER; ADSORPTION; OXIDATION; ALUMINUM; WATER; BEAMS;
D O I：
10.1063/1.4944415
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Herein we describe the measurement of the work function of a metal with advanced equipment based on the field emission retarding potential (FERP) method using a carbon nanotube (CNT) as cathode. The accuracy of the FERP method using a CNT emitter is described and a comparison between measurements of the work functions of aluminum, barium, calcium, gold, and platinum with published data will be presented. Our FERP equipment could be optimized with the aid of particle tracing simulations. These simulations led us to insert a magnetic collimator to improve the collection efficiency at the anode. (C) 2016 AIP Publishing LLC.
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页数：5
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