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International Conference on Information, Electronic and Computer Science (ICIECS 2010 E-BOOK)

Zibo,China,11.26-11.28,2010

ISBN: 978-1-935068-42-6 Scientific Research Publishing, USA

E-Book 2224pp Pub. Date: November 2010

Category: Computer Science & Communications

Price: $360

Title: Field Emission Properties of CNTs by DC- PCVD
Source: International Conference on Information, Electronic and Computer Science (ICIECS 2010 E-BOOK) (pp 902-905)
Author(s): Haidong Qi, College of Information &Technology, Jilin Normal University, Siping, China 136000
Hongbo Liu, College of Information &Technology, Jilin Normal University, Siping, China 136000
Lizhong Wang, College of Information &Technology, Jilin Normal University, Siping, China 136000
Chunwu Wang, College of Information &Technology, Jilin Normal University, Siping, China 136000
Abstract: Field emission properties of CNTs deposited with different growth parameters were studied. Then the obtained test results with different growth parameters were analyzed. The results show that the threshold field voltage is about 1.8V/μm.The craft condition to the threshold field voltage influence little, generally the emission current density approaches mA magnitude. Compare with stands erect array CNTs deposited with the other method the field emission properties differs a magnitude. When the methane density is 8%, pressure is 60torr, the substrate temperature 700 ℃, field emission properties of CNTs is better.
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