CNT field emitter based high performance X-ray source

Sang Heon Lee; Jun Soo Han; Juhyun Jeon; Han Bin Go; Cheol Jin Lee; Yoon Ho Song

doi:10.1109/IVNC.2018.8520011

CNT field emitter based high performance X-ray source

Sang Heon Lee, Jun Soo Han, Juhyun Jeon, Han Bin Go, Cheol Jin Lee, Yoon Ho Song

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We fabricated the cold cathode X-ray source composed of point-type CNT field emitter, mesh gate electrode, e-beam focusing lens and W anode. The point-type CNT field emitter was made by CNT film with a triangular tip shape. Field emission properties measured in triode configuration showed the low turn-on and threshold electric fields, the high emission current and focused electron beam spot. The CNT field emitter based cold cathode X-ray source reveals high resolution X-ray images. We demonstrated that the point-type CNT emitter is suitable candidate for the high performance cold cathode X-ray sources.

Original language	English
Title of host publication	2018 31st International Vacuum Nanoelectronics Conference, IVNC 2018
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781538657171
DOIs	https://doi.org/10.1109/IVNC.2018.8520011
Publication status	Published - 2018 Nov 1
Event	31st International Vacuum Nanoelectronics Conference, IVNC 2018 - Kyoto, Japan Duration: 2018 Jul 9 → 2018 Jul 13

Other

Other	31st International Vacuum Nanoelectronics Conference, IVNC 2018
Country	Japan
City	Kyoto
Period	18/7/9 → 18/7/13

Keywords

carbon nanotube filed emitter
cold cathode X-ray source
field emission
triode structure

ASJC Scopus subject areas

Electrical and Electronic Engineering
Industrial and Manufacturing Engineering
Electronic, Optical and Magnetic Materials

Access to Document

10.1109/IVNC.2018.8520011

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CNT field emitter based high performance X-ray source. / Lee, Sang Heon; Han, Jun Soo; Jeon, Juhyun; Go, Han Bin; Lee, Cheol Jin; Song, Yoon Ho.

2018 31st International Vacuum Nanoelectronics Conference, IVNC 2018. Institute of Electrical and Electronics Engineers Inc., 2018. 8520011.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lee, SH, Han, JS, Jeon, J, Go, HB, Lee, CJ & Song, YH 2018, CNT field emitter based high performance X-ray source. in 2018 31st International Vacuum Nanoelectronics Conference, IVNC 2018., 8520011, Institute of Electrical and Electronics Engineers Inc., 31st International Vacuum Nanoelectronics Conference, IVNC 2018, Kyoto, Japan, 18/7/9. https://doi.org/10.1109/IVNC.2018.8520011

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title = "CNT field emitter based high performance X-ray source",

abstract = "We fabricated the cold cathode X-ray source composed of point-type CNT field emitter, mesh gate electrode, e-beam focusing lens and W anode. The point-type CNT field emitter was made by CNT film with a triangular tip shape. Field emission properties measured in triode configuration showed the low turn-on and threshold electric fields, the high emission current and focused electron beam spot. The CNT field emitter based cold cathode X-ray source reveals high resolution X-ray images. We demonstrated that the point-type CNT emitter is suitable candidate for the high performance cold cathode X-ray sources.",

keywords = "carbon nanotube filed emitter, cold cathode X-ray source, field emission, triode structure",

author = "Lee, {Sang Heon} and Han, {Jun Soo} and Juhyun Jeon and Go, {Han Bin} and Lee, {Cheol Jin} and Song, {Yoon Ho}",

year = "2018",

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doi = "10.1109/IVNC.2018.8520011",

language = "English",

booktitle = "2018 31st International Vacuum Nanoelectronics Conference, IVNC 2018",

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AU - Lee, Sang Heon

AU - Han, Jun Soo

AU - Jeon, Juhyun

AU - Go, Han Bin

AU - Lee, Cheol Jin

AU - Song, Yoon Ho

PY - 2018/11/1

Y1 - 2018/11/1

N2 - We fabricated the cold cathode X-ray source composed of point-type CNT field emitter, mesh gate electrode, e-beam focusing lens and W anode. The point-type CNT field emitter was made by CNT film with a triangular tip shape. Field emission properties measured in triode configuration showed the low turn-on and threshold electric fields, the high emission current and focused electron beam spot. The CNT field emitter based cold cathode X-ray source reveals high resolution X-ray images. We demonstrated that the point-type CNT emitter is suitable candidate for the high performance cold cathode X-ray sources.

AB - We fabricated the cold cathode X-ray source composed of point-type CNT field emitter, mesh gate electrode, e-beam focusing lens and W anode. The point-type CNT field emitter was made by CNT film with a triangular tip shape. Field emission properties measured in triode configuration showed the low turn-on and threshold electric fields, the high emission current and focused electron beam spot. The CNT field emitter based cold cathode X-ray source reveals high resolution X-ray images. We demonstrated that the point-type CNT emitter is suitable candidate for the high performance cold cathode X-ray sources.

KW - carbon nanotube filed emitter

KW - cold cathode X-ray source

KW - field emission

KW - triode structure

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