| Presentation | 2009-05-22 Crystal Growth of GaAs/AlGaAs Quantum Wells on GaAs (110) and Evaluation of Electron Spin Relaxation Times Satoshi IBA, Shinji KOH, Hitoshi KAWAGUCHI, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | III-V semiconductor quantum wells on (110)-oriented substrates have attracted significant attention as potential systems for spintronic devices since dramatically long electron spin relaxation time τ_s in (110) GaAs/AlGaAs multiple quantum wells (MQWs) was demonstrated. In order to realize spintronic devices on (110)-oriented substrates, we first carried out optimization of molecular beam epitaxy (MBE) growth conditions on GaAs (110) substrates. In (110)-oriented GaAs/AlGaAs MQWs fabricated using the optimized growth condition, we obtained ten times longer τ_s, (～1.8ns) than that in (100) MQWs. By introducing growth interruption at hetero-interfaces during MBE growth, we successfully fabricated the MQWs with smoother interfaces, resulting in even longer τ_s in the MQWs (～2.1ns). |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | (110)-oriented Quantum Well / Spin Relaxation / Growth Interruption |
| Paper # | LQE2009-9 |
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| Conference Information | |
| Committee | LQE |
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| Conference Date | 2009/5/15(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Vice Chair | |
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| Paper Information | |
| Registration To | Lasers and Quantum Electronics (LQE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Crystal Growth of GaAs/AlGaAs Quantum Wells on GaAs (110) and Evaluation of Electron Spin Relaxation Times |
| Sub Title (in English) | |
| Keyword(1) | (110)-oriented Quantum Well |
| Keyword(2) | Spin Relaxation |
| Keyword(3) | Growth Interruption |
| 1st Author's Name | Satoshi IBA |
| 1st Author's Affiliation | Graduate School of Materials Science, Nara Institute of Science and Technology() |
| 2nd Author's Name | Shinji KOH |
| 2nd Author's Affiliation | Graduate School of Materials Science, Nara Institute of Science and Technology |
| 3rd Author's Name | Hitoshi KAWAGUCHI |
| 3rd Author's Affiliation | Graduate School of Materials Science, Nara Institute of Science and Technology |
| Date | 2009-05-22 |
| Paper # | LQE2009-9 |
| Volume (vol) | vol.109 |
| Number (no) | 49 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |