Field emission properties of electrochemically deposited gold nanowires

被引：38
作者：
Dangwal, A. [1 ]
Pandey, C. S. [1 ]
Mueller, G. [1 ]
Karim, S. [2 ]
Cornelius, T. W. [3 ]
Trautmann, C. [3 ]
机构：
[1] Univ Wuppertal, FB C Phys Dept, D-42097 Wuppertal, Germany
[2] Univ Marburg, FB Chem, D-35032 Marburg, Germany
[3] Gesell Schwerionenforsch GSI, D-64291 Darmstadt, Germany
来源：
APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 06期
关键词：
D O I：
10.1063/1.2844853
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Field emission properties of vertically aligned gold nanowires of different aspect ratios and spatial distribution are presented. The nanowires were electrochemically deposited into the pores of etched ion-track polymer membranes. High emission site densities up to 5.7x10(5) cm(-2) based on a controlled field enhancement beta of individual emitting sites were observed by means of field emission scanning microscopy. Local measurements reveal stable Fowler-Nordheim behavior of the emitters up to currents of 100 mu A. The integral emission of Au nanowires cathodes for device application is also discussed. (c) 2008 American Institute of Physics.
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