Emission efficiency dependence on the tilted angle of nanogaps in surface conduction electron-emitter

Yi-Ming Li; Yi Ting Kuo; Hui Wen Cheng; Ta Ching Yeh; Hsiang Yu Lo; Mei Tsao Chiang; Chi Neng Mo

doi:10.1109/SISPAD.2008.4648273

Emission efficiency dependence on the tilted angle of nanogaps in surface conduction electron-emitter

Yi-Ming Li^*, Yi Ting Kuo, Hui Wen Cheng, Ta Ching Yeh, Hsiang Yu Lo, Mei Tsao Chiang, Chi Neng Mo

^*Corresponding author for this work

Department of Electrical and Computer Engineering

Research output: Contribution to conference › Paper › peer-review

Abstract

In this work, the emission efficiency of the novel surface conduction electron-emitter corresponding to tilted angles (θ) of the driving electrode is studied numerically. Due to the small angle, the emitter apex becomes significant and induces large electric field. The large electric field then attracts more particles into vacuum and then increases the emission current. However, the structure of the driving electrode limits the electron trajectory while the angle decreases, and it reflects the portion of collected current by the anode decreases and makes a drop in emission efficiency. It shows there is the highest emission efficiency (about 37%) under an optimum angle θ = 60°. The result provides an insight into the relation between emission efficiency and emitter apex.

Original language	English
Pages	205-208
Number of pages	4
DOIs	https://doi.org/10.1109/SISPAD.2008.4648273
State	Published - 2008
Event	2008 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2008 - Hakone, Japan Duration: 9 Sep 2008 → 11 Sep 2008

Conference

Conference	2008 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2008
Country/Territory	Japan
City	Hakone
Period	9/09/08 → 11/09/08

Keywords

Collected current by anode
Emission efficiency
Emitted current
FDTD
Fowler-Nordheim equation
Maxwell equation
Nanogap
Particle-in-cell
Surface conduction electron-emitter

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10.1109/SISPAD.2008.4648273

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Li, Y.-M., Kuo, Y. T., Cheng, H. W., Yeh, T. C., Lo, H. Y., Chiang, M. T., & Mo, C. N. (2008). Emission efficiency dependence on the tilted angle of nanogaps in surface conduction electron-emitter. 205-208. Paper presented at 2008 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2008, Hakone, Japan. https://doi.org/10.1109/SISPAD.2008.4648273

@conference{1434574b18f0458cb48e172fb0db163e,

title = "Emission efficiency dependence on the tilted angle of nanogaps in surface conduction electron-emitter",

abstract = "In this work, the emission efficiency of the novel surface conduction electron-emitter corresponding to tilted angles (θ) of the driving electrode is studied numerically. Due to the small angle, the emitter apex becomes significant and induces large electric field. The large electric field then attracts more particles into vacuum and then increases the emission current. However, the structure of the driving electrode limits the electron trajectory while the angle decreases, and it reflects the portion of collected current by the anode decreases and makes a drop in emission efficiency. It shows there is the highest emission efficiency (about 37%) under an optimum angle θ = 60°. The result provides an insight into the relation between emission efficiency and emitter apex.",

keywords = "Collected current by anode, Emission efficiency, Emitted current, FDTD, Fowler-Nordheim equation, Maxwell equation, Nanogap, Particle-in-cell, Surface conduction electron-emitter",

author = "Yi-Ming Li and Kuo, {Yi Ting} and Cheng, {Hui Wen} and Yeh, {Ta Ching} and Lo, {Hsiang Yu} and Chiang, {Mei Tsao} and Mo, {Chi Neng}",

year = "2008",

doi = "10.1109/SISPAD.2008.4648273",

language = "English",

pages = "205--208",

note = "2008 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2008 ; Conference date: 09-09-2008 Through 11-09-2008",

}

Li, Y-M, Kuo, YT, Cheng, HW, Yeh, TC, Lo, HY, Chiang, MT & Mo, CN 2008, 'Emission efficiency dependence on the tilted angle of nanogaps in surface conduction electron-emitter', Paper presented at 2008 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2008, Hakone, Japan, 9/09/08 - 11/09/08 pp. 205-208. https://doi.org/10.1109/SISPAD.2008.4648273

TY - CONF

T1 - Emission efficiency dependence on the tilted angle of nanogaps in surface conduction electron-emitter

AU - Li, Yi-Ming

AU - Kuo, Yi Ting

AU - Cheng, Hui Wen

AU - Yeh, Ta Ching

AU - Lo, Hsiang Yu

AU - Chiang, Mei Tsao

AU - Mo, Chi Neng

PY - 2008

Y1 - 2008

N2 - In this work, the emission efficiency of the novel surface conduction electron-emitter corresponding to tilted angles (θ) of the driving electrode is studied numerically. Due to the small angle, the emitter apex becomes significant and induces large electric field. The large electric field then attracts more particles into vacuum and then increases the emission current. However, the structure of the driving electrode limits the electron trajectory while the angle decreases, and it reflects the portion of collected current by the anode decreases and makes a drop in emission efficiency. It shows there is the highest emission efficiency (about 37%) under an optimum angle θ = 60°. The result provides an insight into the relation between emission efficiency and emitter apex.

AB - In this work, the emission efficiency of the novel surface conduction electron-emitter corresponding to tilted angles (θ) of the driving electrode is studied numerically. Due to the small angle, the emitter apex becomes significant and induces large electric field. The large electric field then attracts more particles into vacuum and then increases the emission current. However, the structure of the driving electrode limits the electron trajectory while the angle decreases, and it reflects the portion of collected current by the anode decreases and makes a drop in emission efficiency. It shows there is the highest emission efficiency (about 37%) under an optimum angle θ = 60°. The result provides an insight into the relation between emission efficiency and emitter apex.

KW - Collected current by anode

KW - Emission efficiency

KW - Emitted current

KW - FDTD

KW - Fowler-Nordheim equation

KW - Maxwell equation

KW - Nanogap

KW - Particle-in-cell

KW - Surface conduction electron-emitter

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U2 - 10.1109/SISPAD.2008.4648273

DO - 10.1109/SISPAD.2008.4648273

M3 - Paper

AN - SCOPUS:67650364007

SP - 205

EP - 208

T2 - 2008 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2008

Y2 - 9 September 2008 through 11 September 2008

ER -

Emission efficiency dependence on the tilted angle of nanogaps in surface conduction electron-emitter

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