Presentation 2005/10/6
High-quality InN grown on micro-facetted InN template
Daisuke MUTO, Hiroyuki NAOI, Tsutomu ARAKI, Sachio KITAGAWA, Masahito KUROUCHI, Hyunseok NA, Yasushi NANISHI,
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Abstract(in English) We have succeeded in dramatically decreasing the density of dislocations in InN by regrowing InN films on micro-facetted N-polar InN templates. The micro-facetted N-polar InN templates were formed by wet etching in a 10mol/l KOH solution. InN films were regrown on the micro-facetted N-polar InN templates and on flat surface N-polar InN templates for comparison by radio-frequency plasma-assisted molecular beam epitaxy. InN regrown on micro-facetted InN had considerably smaller twist distribution than that grown on the flat InN templates. Moreover, the InN grown on the micro-facetted InN had much lower dislocation density than that grown on the flat InN templates by the termination of dislocations at the interface between the regrown InN and the micro-facetted InN template. Based on the results, we propose that regrowth of InN on micro-facetted InN templates is an effective way to obtain high-quality InN films.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) InN / Threading dislocation / Wet etching / KOH / RF-MBE
Paper # ED2005-118,CPM2005-105,LQE005-45
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Committee ED
Conference Date 2005/10/6(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) High-quality InN grown on micro-facetted InN template
Sub Title (in English)
Keyword(1) InN
Keyword(2) Threading dislocation
Keyword(3) Wet etching
Keyword(4) KOH
Keyword(5) RF-MBE
1st Author's Name Daisuke MUTO
1st Author's Affiliation Department of Photonics, Ritsumeikan University()
2nd Author's Name Hiroyuki NAOI
2nd Author's Affiliation Center for Promotion of the COE Program, Ritsumeikan University
3rd Author's Name Tsutomu ARAKI
3rd Author's Affiliation Department of Photonics, Ritsumeikan University
4th Author's Name Sachio KITAGAWA
4th Author's Affiliation Department of Photonics, Ritsumeikan University
5th Author's Name Masahito KUROUCHI
5th Author's Affiliation Department of Photonics, Ritsumeikan University
6th Author's Name Hyunseok NA
6th Author's Affiliation Center for Promotion of the COE Program, Ritsumeikan University
7th Author's Name Yasushi NANISHI
7th Author's Affiliation Department of Photonics, Ritsumeikan University
Date 2005/10/6
Paper # ED2005-118,CPM2005-105,LQE005-45
Volume (vol) vol.105
Number (no) 325
Page pp.pp.-
#Pages 4
Date of Issue