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Study of the property of low-defect-density quantum dots for the purpose of developing high efficiency optical devices.

Study of the property of low-defect-density quantum dots for the purpose of developing high efficiency optical devices.
研究低缺陷密度量子点的特性,以开发高效光学器件。
批准号:
23560354
负责人:
OKAMOTO Hiroshi
金额:
$2.0万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2011
资助国家:
日本
项目状态:
已结题
起止时间:
2011 至 2013

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中文摘要
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英文摘要
Quantum dots (QDs) have a potential to improve the performance of various semiconductor devices. We have reported a novel growth method for In(Ga)As QDs using bismuth (Bi) as a surfactant, and their superior optical qualities. For the purpose of clarifying the mechanism of appearing the excellent quality, we have evaluated the QDs mainly using DLTS (Deep Level Transient Spectroscopy) method. We have successfully observed the unique DLTS signals, which are caused by the emission of captured carriers, and revealed that the densities of traps caused by point defects or dislocations are very low in the QD samples.
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会议论文
Biサーファクタントを用いたGeナノドットの低温形成
使用 Bi 表面活性剂低温形成 Ge 纳米点
DOI: --
发表时间: 2014
期刊:
影响因子: --
作者: [岡本浩, 林一稀, 小林弓華, 俵毅彦, 舘野功太, 章国強, 後藤秀樹]
通讯作者: 後藤秀樹
Biサーファクタントを用いたIn(Ga)As量子ドットのDLTS評価
使用 Bi 表面活性剂对 In(Ga)As 量子点进行 DLTS 评估
DOI: --
发表时间:
期刊:
影响因子: --
作者: [加藤光祐, 冨田睦雄, 道木慎二, 大熊繁, 加藤真二, 鈴木聡一郎,岡本浩,舘野功太,俵毅彦,後藤秀樹,寒川哲臣]
通讯作者: 鈴木聡一郎,岡本浩,舘野功太,俵毅彦,後藤秀樹,寒川哲臣
Distinctive Feature of Ripening During Growth Interruption of InGaAs Quantum Dot Epitaxy Using Bi as a Surfactant
Bi作为表面活性剂的InGaAs量子点外延生长中断过程中成熟的显着特征
DOI: 10.1143/jjap.50.06gh07
发表时间: 2011
期刊: Jpn. J. Appl. Phys
影响因子: --
作者: [H. Okamoto, T. Tawara, T. Tateno, H. Gotoh, H. Kamada, and T. Sogawa]
通讯作者: and T. Sogawa
In(Ga)As積層量子ドット構造のDLTS評価
In(Ga)As堆叠量子点结构的DLTS评估
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [鈴木聡一郎, 佐藤真哉, 岩崎拓郎, 俵毅彦, 舘野功太, 後藤秀樹,寒川哲臣,岡本浩]
通讯作者: 後藤秀樹,寒川哲臣,岡本浩
16
    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:
    Common neural basis of Weber's law and Hick's law
    The characteristics of American constituent power theory
    Estimating spatial distribution of botanical composition and herbage mass in pastures using machine vision
    • 批准号:
      22780235
    • 项目类别:
      Grant-in-Aid for Young Scientists (B)
    • 资助金额:
      $2.16万
    • 财政年份:
      2010
    • 负责人:
      OKAMOTO Hiroshi
    • 依托单位:
    海外基金