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Study on the control of the fine structure in porous silicon

Study on the control of the fine structure in porous silicon
多孔硅精细结构控制研究
批准号：
07650355
负责人：
OKAMOTO Hiroshi
金额：
$1.28万
依托单位：
CHIBA UNIV
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
1995
资助国家：
日本
项目状态：
已结题
起止时间：
1995 至 1996
来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07650355/
关键词：
porous Sivisible emissionanodizationin situ PL observation間接遷移注入発光発光効率その場観察

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英文摘要
Porous silicon is attractive because of its visible light emission. Its spectrum, however, is influenced by many unknown factors in the anodization process and the following oxidation process. In situ photoluminescence observation was tried by inserting an optical fiber into the anodization solution and the oxidation solution. Wavelength was short and spectrum was very narrow during the anodization, but after rinsing in the deionized water and then being exposed to the air, red shift and spectrum broadening occurred. Oxidization in HNO3 solution was found to be effective in minimizing both red shift and spectrum broadening.
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Rapid and efficient control of physical properties by terahertz pulses in electronic-type ferroelectrics
  • 批准号：
    25247049
  • 项目类别：
    Grant-in-Aid for Scientific Research (A)
  • 资助金额：
    $22.46万
  • 财政年份：
    2013
  • 负责人：
    OKAMOTO Hiroshi
  • 依托单位：
    The University of Tokyo
Common neural basis of Weber's law and Hick's law
Study of the property of low-defect-density quantum dots for the purpose of developing high efficiency optical devices.
  • 批准号：
    23560354
  • 项目类别：
    Grant-in-Aid for Scientific Research (C)
  • 资助金额：
    $2.0万
  • 财政年份：
    2011
  • 负责人：
    OKAMOTO Hiroshi
  • 依托单位：
    Hirosaki University
The characteristics of American constituent power theory
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