Journal
NANOTECHNOLOGY
Volume 22, Issue 36, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/22/36/365705
Keywords
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Funding
- Ministry of Education, Sci. & Technol. of Korea [R32-2008-000-20082-0]
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Field emission properties of CuAlO2 nanoparticles are reported for the first time, with a low turn-on field of approximately 2 V mu m(-1) and field enhancement factor around 230. The field emission process follows the standard Fowler-Nordheim tunnelling of cold electron emission. The emission mechanism is found to be a combination of low electron affinity, internal nanostructure and large field enhancement at the low-dimensional emitter tips of the nanoparticles. The field emission properties are comparable to the conventional carbon-based field emitters, and thus can become alternative candidate for field emission devices for low-power panel applications.
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