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Enhanced field emission properties from well-aligned zinc oxide nanoneedles grown on the Au/Ti/n-Si substrate

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Authors
Park, Chan Jun; Choi, Duck-Kyun; Yoo, Jinkyoung; Yi, Gyu-Chul; Lee, Cheol Jin
Issue Date
2007-02-22
Publisher
American Institute of Physics
Citation
Appl. Phys. Lett. 90, 083107 (2007)
Abstract
The authors investigated the field emission from vertically well-aligned zinc oxide (ZnO) nanoneedles grown on the Au/Ti/n-Si (100) substrate using metal organic chemical vapor deposition. The turn-on field of ZnO nanoneedles was about 0.85 V/mu m at the current density of 0.1 mu A/cm(2), and the emission current density of 1 mA/cm(2) was achieved at the applied electric field of 5.0 V/mu m. The low turn-on field of the ZnO nanoneedles was attributed to very sharp tip morphology, and the high emission current density was mainly caused by the formation of the stable Ohmic contact between the ZnO nanoneedles and Au film.
ISSN
0003-6951 (print)1077-3118 (online)
Language
English
URI
http://link.aip.org/link/?APPLAB/90/083107/1
http://hdl.handle.net/10371/5409
DOI
https://doi.org/10.1063/1.2643979
https://doi.org/10.1063/1.2643979
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College of Natural Sciences (자연과학대학)Dept. of Physics and Astronomy (물리·천문학부)Physics (물리학전공)Journal Papers (저널논문_물리학전공)
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