Enhancing the stability of microplasma device utilizing diamond coated carbon nanotubes as cathode materials

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Title:	Enhancing the stability of microplasma device utilizing diamond coated carbon nanotubes as cathode materials
Authors:	Chang, Tinghsun;Srinivasu Kunuku;Kamatchi Jothiramalingam Sankaran;Leou, Keh-Chyang;Tai, Nyanhwa;Lin, I-Nan
Contributors:	淡江大學物理學系
Date:	2014-06
Issue Date:	2014-12-09 10:50:53 (UTC+8)
Publisher:	College Park: American Institute of Physics
Abstract:	This paper reports the enhanced stability of a microplasma device by using hybrid-granular-structured diamond (HiD) film coated carbon nanotubes (CNTs) as cathode, which overcomes the drawback of short life time in the CNTs-based one. The microplasma device can be operated more than 210 min without showing any sign of degradation, whereas the CNTs-based one can last only 50 min. Besides the high robustness against the Ar-ion bombardment, the HiD/CNTs material also possesses superior electron field emission properties with low turn-on field of 3.2 V/μm, which is considered as the prime factor for the improved plasma illumination performance of the devices.
Relation:	Applied Physics Letters 104(22), 223106(5pages)
DOI:	10.1063/1.4881419
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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