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Proceedings Paper

The influence of the arrangement and spacing of CNT column array on the characteristic of field emission
Author(s): Kyusung Han; Dohan Jun; Nguyen Tuan Hong; Soonil Lee; SangSik Yang
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Paper Abstract

The electric field is affected by the arrangement of the vertically aligned carbon nanotube (VACNT) columns in field emission devices. We fabricated VACNT column array for use in micro time-of- flight mass spectrometer (TOF MS) and investigated the influence of the VACNT column array on the characteristics of field emission. According to the electric field distribution simulation based on FEMLAB, the field screening effect depends on the CNT arrangement and the pitch-to-height ratio. The different types of VACNT column array cathodes were fabricated and tested for field emission. All these VACNT column array cathodes showed excellent field emission properties and a trend consistent with electric field distribution simulation.

Paper Details

Date Published: 4 February 2010
PDF: 8 pages
Proc. SPIE 7592, Reliability, Packaging, Testing, and Characterization of MEMS/MOEMS and Nanodevices IX, 75920T (4 February 2010); doi: 10.1117/12.842887
Show Author Affiliations
Kyusung Han, Ajou Univ. (Korea, Republic of)
Dohan Jun, Ajou Univ. (Korea, Republic of)
Nguyen Tuan Hong, Ajou Univ. (Korea, Republic of)
Soonil Lee, Ajou Univ. (Korea, Republic of)
SangSik Yang, Ajou Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 7592:
Reliability, Packaging, Testing, and Characterization of MEMS/MOEMS and Nanodevices IX
Richard C. Kullberg; Rajeshuni Ramesham, Editor(s)

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