Presentation 2012-11-30
Fabrication of Si-doped AlGaN multiple-quantum wells by low-pressure MOVPE and its application for deep-UV-light-source
Shunsuke OCHIAI, Mayuna TAKAGI, Fumitsugu Fukuyo, Hideto MIYAKE, Kazumasa HIRAMATSU, Yuji KOBAYASHI, Harumasa YOSHIDA,
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Abstract(in English) Al_xGa_<1-x>N alloy has attracted significant attention owing to its emission covering the wavelength range from 210 to 365nm upon changing the AlN molar fraction x. Research on the application of this characteristic to deep-ultraviolet (UV) light-emitting diodes (LEDs) is being actively carried out. However, the emission efficiency of LEDs with wavelengths of less than 280nm is rather low, partly due to the high resistivity of p-type AlGaN and the low quality of the AlGaN template. In this work, we performed the growth of Si-doped AlGaN multiple quantum wells (MQWs) on AlN/sapphire templates by low-pressure MOVPE (LP-MOVPE), and also studied optical properties as deep-UV-light-source by electron beam excitation.
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Keyword(in English) LP-MOVPE / Si-doped AlGaN / Multiple Quantum Wells / UV-light-source
Paper # ED2012-85,CPM2012-142,LQE2012-113
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Committee ED
Conference Date 2012/11/22(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Fabrication of Si-doped AlGaN multiple-quantum wells by low-pressure MOVPE and its application for deep-UV-light-source
Sub Title (in English)
Keyword(1) LP-MOVPE
Keyword(2) Si-doped AlGaN
Keyword(3) Multiple Quantum Wells
Keyword(4) UV-light-source
1st Author's Name Shunsuke OCHIAI
1st Author's Affiliation Faculty of Engineering, Mie University()
2nd Author's Name Mayuna TAKAGI
2nd Author's Affiliation Faculty of Engineering, Mie University
3rd Author's Name Fumitsugu Fukuyo
3rd Author's Affiliation Faculty of Engineering, Mie University:HAMAMATSU PHOTONICS K. K.
4th Author's Name Hideto MIYAKE
4th Author's Affiliation Faculty of Engineering, Mie University
5th Author's Name Kazumasa HIRAMATSU
5th Author's Affiliation Faculty of Engineering, Mie University
6th Author's Name Yuji KOBAYASHI
6th Author's Affiliation HAMAMATSU PHOTONICS K. K.
7th Author's Name Harumasa YOSHIDA
7th Author's Affiliation HAMAMATSU PHOTONICS K. K.
Date 2012-11-30
Paper # ED2012-85,CPM2012-142,LQE2012-113
Volume (vol) vol.112
Number (no) 327
Page pp.pp.-
#Pages 4
Date of Issue