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Dynamical simulation of phonon-assisted asymmetric transfer of photoexcited carriers in step-graded multiple quantum wells
http://hdl.handle.net/10228/412
http://hdl.handle.net/10228/412a6b5dc5c-5788-454f-b40c-c0f916a90889
名前 / ファイル | ライセンス | アクション |
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physe2003_MachidaKF_ver2.pdf (337.2 kB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||
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公開日 | 2007-11-26 | |||||
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 | Dynamical simulation of phonon-assisted asymmetric transfer of photoexcited carriers in step-graded multiple quantum wells | |||||
言語 | ||||||
言語 | eng | |||||
著者 |
Machida, S
× Machida, S× Matsuo, M× 藤原, 賢三 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Dynamics of perpendicular motion of photoexcited electron–hole pairs assisted by phonon scattering is investigated by a rate equation analysis in a novel step-graded staircase Inx(Al0.17Ga0.83)1−xAs multiple quantum well heterostructure. When there exists built-in potential gradients in the heterostructure by changing the In mole fraction (x) in each well, those carriers that are thermally released by the particular well move unidirectionally from shallower to deeper wells. That is, asymmetric unidirectional motion of photoexcited carriers is realized via phonon-assisted activation above the barrier band edge state. This perpendicular motion of carriers was measured by monitoring the transient photoluminescence (PL) signals, which are spectrally discriminated between the wells. The PL dynamics is rigorously and quantitatively explained based on the dynamical simulation as a function of temperature using extracted parameters of the recombination and transfer times. | |||||
書誌情報 |
Physica E: Low-dimensional Systems and Nanostructures 巻 23, 号 1-2, p. 45-49, 発行日 2004-06 |
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出版社 | ||||||
出版者 | Elsevier | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.physe.2003.12.127 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1386-9477 | |||||
著作権関連情報 | ||||||
権利情報 | Copyright (c) 2003 Elsevier B.V. | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Photoluminescence | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | III–V semiconductor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Quantum well | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Vertical transport | |||||
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 | |||||
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 | |||||
情報源 | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.sciencedirect.com/science/journal/13869477 | |||||
関連名称 | http://www.sciencedirect.com/science/journal/13869477 |