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dc.contributor.authorWang, Kuang-Yuen_US
dc.contributor.authorChou, Chia-Hsinen_US
dc.contributor.authorLiao, Chan-Yuen_US
dc.contributor.authorLi, Yu-Renen_US
dc.contributor.authorCheng, Huang-Chungen_US
dc.date.accessioned2018-08-21T05:54:01Z-
dc.date.available2018-08-21T05:54:01Z-
dc.date.issued2016-06-01en_US
dc.identifier.issn0021-4922en_US
dc.identifier.urihttp://dx.doi.org/10.7567/JJAP.55.06GF12en_US
dc.identifier.urihttp://hdl.handle.net/11536/145473-
dc.description.abstractIn this study, a simple densification method for carbon nanotube (CNT) pillars is proposed to achieve high-performance field emission characteristics and stable emission. Through capillary force during solution evaporation, the CNT density in each pillar can be increased by about six times without causing damage to the crystallinity of CNTs. The densified CNT pillars exhibit lower series resistance, sharper pillars, better contacts, higher thermal conductivity, and better mechanical stiffness than as-grown ones. Therefore, the threshold field of the field emitter with such CNT pillars of 50 mu m height can be reduced to 1.98 V/mu m, as compared with 2.2V/mu m for the undensified ones. Moreover, the fluctuation of field-emission current decreases from 15.5 to 9.4% after the stress tests at a field of 2V/mu m for 1800 s. These findings imply that the densified CNT pillars are promising for the field-emission applications. (C) 2016 The Japan Society of Applied Physicsen_US
dc.language.isoen_USen_US
dc.titleDensification effects of the carbon nanotube pillar array on field-emission propertiesen_US
dc.typeArticleen_US
dc.identifier.doi10.7567/JJAP.55.06GF12en_US
dc.identifier.journalJAPANESE JOURNAL OF APPLIED PHYSICSen_US
dc.citation.volume55en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000377484100021en_US
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