Laser irradiation effect on electron field emission properties of carbon nanotubes

Hsiu Fung Cheng; Yun Shuo Hsieh; Yi Chun Chen; I. Nan Lin

doi:10.1016/j.diamond.2004.01.043

Laser irradiation effect on electron field emission properties of carbon nanotubes

Hsiu Fung Cheng, Yun Shuo Hsieh, Yi Chun Chen, I. Nan Lin

Department of Physics

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

The effect of laser irradiation on the electron field emission properties of CNTs was studied. With laser irradiation duration, the emission current density at electric field 2 V/μm is enhanced from 0.75 to 14.0 mA/cm², whereas the field enhancement factor is hardly altered. Comparing these phenomena with the electron field emission properties of CNTs measured at elevated temperature implies that the mechanism modifying the electron field emission properties of CNTs is not the thermal effect. The main process is probably the induction of the surface plasmons.

Original language	English
Pages (from-to)	1004-1007
Number of pages	4
Journal	Diamond and Related Materials
Volume	13
Issue number	4-8
DOIs	https://doi.org/10.1016/j.diamond.2004.01.043
Publication status	Published - 2004 Apr 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Chemistry(all)
Mechanical Engineering
Materials Chemistry
Electrical and Electronic Engineering

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10.1016/j.diamond.2004.01.043

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title = "Laser irradiation effect on electron field emission properties of carbon nanotubes",

abstract = "The effect of laser irradiation on the electron field emission properties of CNTs was studied. With laser irradiation duration, the emission current density at electric field 2 V/μm is enhanced from 0.75 to 14.0 mA/cm2, whereas the field enhancement factor is hardly altered. Comparing these phenomena with the electron field emission properties of CNTs measured at elevated temperature implies that the mechanism modifying the electron field emission properties of CNTs is not the thermal effect. The main process is probably the induction of the surface plasmons.",

author = "Cheng, {Hsiu Fung} and Hsieh, {Yun Shuo} and Chen, {Yi Chun} and Lin, {I. Nan}",

year = "2004",

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AU - Cheng, Hsiu Fung

AU - Hsieh, Yun Shuo

AU - Chen, Yi Chun

AU - Lin, I. Nan

PY - 2004/4/1

Y1 - 2004/4/1

N2 - The effect of laser irradiation on the electron field emission properties of CNTs was studied. With laser irradiation duration, the emission current density at electric field 2 V/μm is enhanced from 0.75 to 14.0 mA/cm2, whereas the field enhancement factor is hardly altered. Comparing these phenomena with the electron field emission properties of CNTs measured at elevated temperature implies that the mechanism modifying the electron field emission properties of CNTs is not the thermal effect. The main process is probably the induction of the surface plasmons.

AB - The effect of laser irradiation on the electron field emission properties of CNTs was studied. With laser irradiation duration, the emission current density at electric field 2 V/μm is enhanced from 0.75 to 14.0 mA/cm2, whereas the field enhancement factor is hardly altered. Comparing these phenomena with the electron field emission properties of CNTs measured at elevated temperature implies that the mechanism modifying the electron field emission properties of CNTs is not the thermal effect. The main process is probably the induction of the surface plasmons.

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