Non-linear Photoemission from Carbon Nanotube Arrays

被引:0
|
作者
Moghaddam, M. Vahdani [1 ]
Yaghoobi, P. [1 ]
Sawatzky, G. A. [2 ,3 ]
Nojeh, A. [1 ]
机构
[1] Univ British Columbia, Dept Elect & Comp Engn, Vancouver, BC V6T 1Z4, Canada
[2] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z4, Canada
[3] Univ British Columbia, Dept Chem, Vancouver, BC V6T 1Z4, Canada
基金
加拿大自然科学与工程研究理事会;
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Multi-photon photoemission and thermionic emission from bulk photocathodes typically require high-intensity (similar to MW/cm(2)) light such as that produced by a high-power pulsed laser. In contrast, we report non-linear photoemission from macroscopic-size arrays of vertically-aligned multiwalled carbon nanotubes (CNT forests) excited by a low-power (mW), continuous-wave, ultraviolet (4.66 eV) laser beam.
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页数:2
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