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Anomalous temperature dependence of the photoluminescence properties in GaAs triple quantum wells with growth islands
http://hdl.handle.net/10228/488
http://hdl.handle.net/10228/488482f0e4c-94d2-4d1a-949e-90dcf9e8cfd7
名前 / ファイル | ライセンス | アクション |
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ISCSRv2.pdf (142.4 kB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2007-12-11 | |||||||||||
資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
資源タイプ | journal article | |||||||||||
タイトル | ||||||||||||
タイトル | Anomalous temperature dependence of the photoluminescence properties in GaAs triple quantum wells with growth islands | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
佐竹, 昭泰
× 佐竹, 昭泰
WEKO
252
× Hayata, K× Shiraishi, N× 藤原, 賢三× Schrottke, L× Hey, R× Grahn, H.T |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | We have investigated the effect of different cladding layer configurations on the photoluminescence (PL) properties of GaAs triple quantum wells (QWs) with different well thicknesses (Lz=7.8, 5.5, and 3.5 nm) embedded in Al0.17Ga0.83As barriers. In sample 1, the cladding layers consist of ternary alloy Al0.3Ga0.7As layers, while in sample 2 they are formed by GaAs/AlAs short period superlattices. At low temperatures, the cw PL spectra for sample 1 show a non-uniform intensity distribution over the three QW excitionic lines. The PL intensity for the widest QW (7.8 nm) is much weaker than that for the other QWs. Furthermore, an anomalous temperature dependence of the PL transients of the widest QW is observed, which differs from the one expected for the excitonic radiative recombination lifetime. However, sample 2 exhibits the typical temperature dependence of the PL lifetime. The temperature dependence of the PL dynamics indicates that the non-uniform distribution of the PL intensity at low temperatures in the former sample is a result of a competition between carrier relaxation and capture processes. | |||||||||||
書誌情報 |
Institute of Physics conference series 巻 170, p. 473-478, 発行日 2002 |
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出版社 | ||||||||||||
出版者 | IOP Publishing | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 1742-6588 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 1742-6596 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | Copyright (c) 2002 IOP Publishing Ltd | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | AM | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
資料タイプ | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | Journal Article | |||||||||||
著者別名 | ||||||||||||
姓名 | Satake, Akihiro | |||||||||||
言語 | en | |||||||||||
姓名 | 佐竹, 昭泰 | |||||||||||
言語 | ja | |||||||||||
姓名 | サタケ, アキヒロ | |||||||||||
言語 | ja-Kana | |||||||||||
著者別名 | ||||||||||||
姓名 | Fujiwara, Kenzo | |||||||||||
言語 | en | |||||||||||
姓名 | 藤原, 賢三 | |||||||||||
言語 | ja | |||||||||||
姓名 | フジワラ, ケンゾウ | |||||||||||
言語 | ja-Kana | |||||||||||
著者所属 | ||||||||||||
Kyushu Institute of Technology, Tobata, Kitakyushu 804-8550, Japan | ||||||||||||
著者所属 | ||||||||||||
Kyushu Institute of Technology, Tobata, Kitakyushu 804-8550, Japan | ||||||||||||
著者所属 | ||||||||||||
Kyushu Institute of Technology, Tobata, Kitakyushu 804-8550, Japan | ||||||||||||
著者所属 | ||||||||||||
Kyushu Institute of Technology, Tobata, Kitakyushu 804-8550, Japan | ||||||||||||
著者所属 | ||||||||||||
Paul-Drude-Institut für Festkörperelektronik, Hausvogteiplatz 5-7, 10117 Berlin, | ||||||||||||
著者所属 | ||||||||||||
Paul-Drude-Institut für Festkörperelektronik, Hausvogteiplatz 5-7, 10117 Berlin, | ||||||||||||
情報源 | ||||||||||||
識別子タイプ | URI | |||||||||||
関連識別子 | http://www.iop.org/ | |||||||||||
関連名称 | http://www.iop.org/ |