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| Presentation | 2009-06-26 11:45 Importance of the Eelectronic State on the Electrode in Electron Tunneling Processes between the Electrode and the Quantum Dot Masakazu Muraguchi (Tohoku Univ.), Yukihiro Takada, Shintaro Nomura (Univ. of Tsukuba.), Tetsuo Endoh (Tohoku Univ.), Kenji Shiraishi (Univ. of Tsukuba.)  ED2009-93 SDM2009-88 Link to ES Tech. Rep. Archives: ED2009-93 SDM2009-88 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have revealed that the electronic states in the electrodes give a significant influence to the electron transport in nano-electronic devices. We have theoretically investigated the time-evolution of electron transport from a two-dimensional electron gas (2DEG) to a quantum dot (QD), where 2DEG represents the electrode in the nano-electronic devices. We clearly showed that the coherent electron transport is remarkably modified depending on the initial electronic state in the 2DEG. The electron transport from the 2DEG to the QD is strongly enhanced, when the initial state of the electron in the 2DEG is localized below the QD. We have proposed that controlling the electronic state in the electrodes could realize a new concept device function without modifying the electrode structures; that achieves a new controllable state in future nano-electronic devices. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Direct Tunneling / Two-Dimensional Electron Gas / Electron Dynamics / Nano-Dot / Nano-Contact / Electrode / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 98, SDM2009-88, pp. 185-188, June 2009. | |
| Paper # | SDM2009-88 | |
| Date of Issue | 2009-06-17 (ED, SDM) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | ED2009-93 SDM2009-88 Link to ES Tech. Rep. Archives: ED2009-93 SDM2009-88 |
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| Conference Information | |
| Committee | SDM ED |
| Conference Date | 2009-06-24 - 2009-06-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Haeundae Grand Hotel, Busan, Korea |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | 2009 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices |
| Paper Information | |
| Registration To | SDM |
| Conference Code | 2009-06-SDM-ED |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Importance of the Eelectronic State on the Electrode in Electron Tunneling Processes between the Electrode and the Quantum Dot |
| Sub Title (in English) | |
| Keyword(1) | Direct Tunneling |
| Keyword(2) | Two-Dimensional Electron Gas |
| Keyword(3) | Electron Dynamics |
| Keyword(4) | Nano-Dot |
| Keyword(5) | Nano-Contact |
| Keyword(6) | Electrode |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Masakazu Muraguchi |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Yukihiro Takada |
| 2nd Author's Affiliation | University of Tsukuba. (Univ. of Tsukuba.) |
| 3rd Author's Name | Shintaro Nomura |
| 3rd Author's Affiliation | University of Tsukuba. (Univ. of Tsukuba.) |
| 4th Author's Name | Tetsuo Endoh |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 5th Author's Name | Kenji Shiraishi |
| 5th Author's Affiliation | University of Tsukuba. (Univ. of Tsukuba.) |
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| Speaker | Author-1 |
| Date Time | 2009-06-26 11:45:00 |
| Presentation Time | 15 minutes |
| Registration for | SDM |
| Paper # | ED2009-93, SDM2009-88 |
| Volume (vol) | vol.109 |
| Number (no) | no.97(ED), no.98(SDM) |
| Page | pp.185-188 |
| #Pages | 4 |
| Date of Issue | 2009-06-17 (ED, SDM) |
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