Vacuum ultraviolet field emission lamp utilizing KMgF3 thin film phosphor
We demonstrated a field emission lamp by employing a KMgF3 thin film as a solid-state vacuum ultraviolet phosphor. The output power of the lamp was 2 μW at an extraction voltage of 800 V and acceleration voltage of 1800 V, and it operated at wavelengths 140-220 nm, which is the shortest wavelength r...
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2014
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my.utm.632022017-06-18T00:23:30Z http://eprints.utm.my/id/eprint/63202/ Vacuum ultraviolet field emission lamp utilizing KMgF3 thin film phosphor Yanagihara, Masahiro Mohd. Yusop, Mohd. Zamri Tanemura, Masaki Ono, Shingo Nagami, Tomohito Fukuda, Kentaro Suyama, Toshihisa Yokota, Yuui Yanagida, Takayuki Yoshikawa, Akira TJ Mechanical engineering and machinery We demonstrated a field emission lamp by employing a KMgF3 thin film as a solid-state vacuum ultraviolet phosphor. The output power of the lamp was 2 μW at an extraction voltage of 800 V and acceleration voltage of 1800 V, and it operated at wavelengths 140-220 nm, which is the shortest wavelength reported for solid-state phosphor lamps. The thin film was grown on MgF 2 substrate by pulsed laser deposition. Its conversion efficiency was almost equivalent to a single KMgF3 crystal, and it had emission peaks of 155 and 180 nm in wavelength. These peaks are attributed to transitions from the valence anion band to the outermost core cation band and correspond well with emission peaks previously reported from the crystal. Additionally, we obtained a thermal-free and low-power consumption lamp by employing carbon nanofibres (CNFs) as a field emitter. A CNF emitter was easily grown at room temperature and can be grown on flexible materials. American Institute of Physics Inc. 2014 Article PeerReviewed Yanagihara, Masahiro and Mohd. Yusop, Mohd. Zamri and Tanemura, Masaki and Ono, Shingo and Nagami, Tomohito and Fukuda, Kentaro and Suyama, Toshihisa and Yokota, Yuui and Yanagida, Takayuki and Yoshikawa, Akira (2014) Vacuum ultraviolet field emission lamp utilizing KMgF3 thin film phosphor. APL Materials, 2 (4). ISSN 2166-532X http://dx.doi.org/10.1063/1.4871915 DOI :10.1063/1.4871915 |
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TJ Mechanical engineering and machinery Yanagihara, Masahiro Mohd. Yusop, Mohd. Zamri Tanemura, Masaki Ono, Shingo Nagami, Tomohito Fukuda, Kentaro Suyama, Toshihisa Yokota, Yuui Yanagida, Takayuki Yoshikawa, Akira Vacuum ultraviolet field emission lamp utilizing KMgF3 thin film phosphor |
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We demonstrated a field emission lamp by employing a KMgF3 thin film as a solid-state vacuum ultraviolet phosphor. The output power of the lamp was 2 μW at an extraction voltage of 800 V and acceleration voltage of 1800 V, and it operated at wavelengths 140-220 nm, which is the shortest wavelength reported for solid-state phosphor lamps. The thin film was grown on MgF 2 substrate by pulsed laser deposition. Its conversion efficiency was almost equivalent to a single KMgF3 crystal, and it had emission peaks of 155 and 180 nm in wavelength. These peaks are attributed to transitions from the valence anion band to the outermost core cation band and correspond well with emission peaks previously reported from the crystal. Additionally, we obtained a thermal-free and low-power consumption lamp by employing carbon nanofibres (CNFs) as a field emitter. A CNF emitter was easily grown at room temperature and can be grown on flexible materials. |
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Yanagihara, Masahiro Mohd. Yusop, Mohd. Zamri Tanemura, Masaki Ono, Shingo Nagami, Tomohito Fukuda, Kentaro Suyama, Toshihisa Yokota, Yuui Yanagida, Takayuki Yoshikawa, Akira |
author_facet |
Yanagihara, Masahiro Mohd. Yusop, Mohd. Zamri Tanemura, Masaki Ono, Shingo Nagami, Tomohito Fukuda, Kentaro Suyama, Toshihisa Yokota, Yuui Yanagida, Takayuki Yoshikawa, Akira |
author_sort |
Yanagihara, Masahiro |
title |
Vacuum ultraviolet field emission lamp utilizing KMgF3 thin film phosphor |
title_short |
Vacuum ultraviolet field emission lamp utilizing KMgF3 thin film phosphor |
title_full |
Vacuum ultraviolet field emission lamp utilizing KMgF3 thin film phosphor |
title_fullStr |
Vacuum ultraviolet field emission lamp utilizing KMgF3 thin film phosphor |
title_full_unstemmed |
Vacuum ultraviolet field emission lamp utilizing KMgF3 thin film phosphor |
title_sort |
vacuum ultraviolet field emission lamp utilizing kmgf3 thin film phosphor |
publisher |
American Institute of Physics Inc. |
publishDate |
2014 |
url |
http://eprints.utm.my/id/eprint/63202/ http://dx.doi.org/10.1063/1.4871915 |
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