Presentation 1998/11/5
Fabrication of GaP/InAs islands/GaP(001)structures by organometallic vapor phase epitaxy
S. Fuchi, Y. Nonogaki, H. Moriya, Y. Fujiwara, Y. Takeda,
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Abstract(in English) We fabricated InAs islands on GaP(001)by low-pressure organometallic vapor phase epitaxy(LP-OMVPE). Using AFM, we investigated the effects of substrate temperature and TMIn flow rate on the shape, size and areal density of InAs islands. The smallest InAs islands with the highest density were obtained at 450℃ with the TMIn flow rate of 0.3 μmol/min. The size of the InAs islands is 5 nm in height and 30 nm in width. We fabricated GaP/InAs islands/GaP(001)structures using three types of growth sequences for GaP cap layers. Cross-sectional TEM observation on buried InAs islands revealed that the growth sequence for GaP cap layers affected strongly the size of InAs islands and crystal-quality of GaP cap layers.
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Keyword(in English) OMVPE / InAs islands / GaP(001) / AFM / cross-sectional TEM
Paper # ED98-125,CPM98-128
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Committee CPM
Conference Date 1998/11/5(1days)
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Registration To Component Parts and Materials (CPM)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Fabrication of GaP/InAs islands/GaP(001)structures by organometallic vapor phase epitaxy
Sub Title (in English)
Keyword(1) OMVPE
Keyword(2) InAs islands
Keyword(3) GaP(001)
Keyword(4) AFM
Keyword(5) cross-sectional TEM
1st Author's Name S. Fuchi
1st Author's Affiliation Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya University()
2nd Author's Name Y. Nonogaki
2nd Author's Affiliation Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya University
3rd Author's Name H. Moriya
3rd Author's Affiliation Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya University
4th Author's Name Y. Fujiwara
4th Author's Affiliation Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya University
5th Author's Name Y. Takeda
5th Author's Affiliation Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya University
Date 1998/11/5
Paper # ED98-125,CPM98-128
Volume (vol) vol.98
Number (no) 385
Page pp.pp.-
#Pages 6
Date of Issue