KAKEN — Research Projects | Researcher Number: 00436578

Search Results: 9 results / Researcher Number: 00436578

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1. テラヘルツ励起による単一電子のコヒーレント制御と機能性素子への応用

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Review Section	Basic Section 28020:Nanostructural physics-related
Research Institution	Tohoku Institute of Technology
Principal Investigator	柴田憲治東北工業大学, 工学部, 教授
Project Period (FY)	2021-04-01 – 2025-03-31Granted
Keywords	量子ドット / 単一電子トランジスタ / テラヘルツ
Outline of Research at the Start	単一の量子ドットを用いた量子情報処理デバイスは、１つの電子やスピン、光子に情報機能を持たせるため、次世代エレクトロニクスの有望な技術と言われている。特に10 nm程度のサイズの自己組織化量子ドットでは、系のエネルギースケールが数十meVとなり、テラヘルツ（THz）帯の光子のエネルギーに相当することか ...
Outline of Annual Research Achievements	本研究では、応募者がこれまでに培った10 nm級量子ドットの単一電子トランジスタへの応用技術に基礎を置き、単一電子・スピン状態とその動力学がクーロン相互作用やスピン相互作用、テラヘルツ（THz）光、フォノンなどを用いて多彩に制御できることを実証するとともに、量子情報処理に向けた新規デバイスへの応用を ...
Current Status of Research Progress	2: Research has progressed on the whole more than it was originally planned.

Research Products of this project	Journal Article (1 results, of which Peer Reviewed: 1 results, Open Access: 1 results) Presentation (25 results, of which Int'l Joint Research: 5 results, Invited: 1 results) Remarks (2 results)

2. Control of single electron charge-spin-phonon dynamics in the terahertz frequency range

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	Nanostructural physics
Research Institution	Tohoku Institute of Technology
Principal Investigator	Shibata Kenji 東北工業大学, 工学部, 准教授
Project Period (FY)	2017-04-01 – 2021-03-31Completed
Keywords	量子ドット / トランジスタ / テラヘルツ / スピン軌道相互作用 / 量子井戸 / 量子ポイントコンタクト / 電気伝導 / テラヘルツ電磁波 / トンネル効果
Outline of Final Research Achievements	Electrical manipulation and read-out of quantum states in zero-dimensional quantum dots (QDs) by nanogap metal electrodes is expected to bring about i ...

Research Products of this project	Int'l Joint Research (3 results) Journal Article (4 results, of which Int'l Joint Research: 3 results, Peer Reviewed: 4 results, Open Access: 1 results) Presentation (20 results, of which Int'l Joint Research: 6 results) Remarks (4 results)

3. Control of single charge/spin states using terahertz wave(Fostering Joint International Research)

Research Project

Research Category	Fund for the Promotion of Joint International Research (Fostering Joint International Research)
Research Field	Nanostructural physics
Research Institution	Tohoku Institute of Technology
Principal Investigator	Shibata Kenji 東北工業大学, 工学部, 准教授
Project Period (FY)	2016 – 2018Completed
Keywords	量子ドット / テラヘルツ / トランジスタ
Outline of Final Research Achievements	Electrical manipulation and read-out of quantum states in zero-dimensional quantum dots by nanogap metal electrodes is expected to bring about innovat ...

Research Products of this project	Int'l Joint Research (1 results) Journal Article (4 results, of which Int'l Joint Research: 2 results, Peer Reviewed: 3 results, Acknowledgement Compliant: 1 results) Presentation (10 results, of which Int'l Joint Research: 4 results, Invited: 1 results) Remarks (3 results)

4. Control of single charge/and spin states using terahertz wave

Research Project

Research Category	Grant-in-Aid for Young Scientists (A)
Research Field	Nanostructural physics
Research Institution	Tohoku Institute of Technology
Principal Investigator	Shibata Kenji 東北工業大学, 工学部, 准教授
Project Period (FY)	2014-04-01 – 2017-03-31Completed
Keywords	テラヘルツ / 量子ドット / トランジスタ / テラヘルツ電磁波 / トンネル効果 / テラヘルツ/赤外材料・素子 / マイクロ・ナノデバイス / テラヘルツ波
Outline of Final Research Achievements	Electrical manipulation and read-out of quantum states in zero-dimensional quantum dots by nanogap metal electrodes is expected to bring about innovat ...

Research Products of this project	Int'l Joint Research (4 results) Journal Article (9 results, of which Int'l Joint Research: 6 results, Peer Reviewed: 8 results, Acknowledgement Compliant: 7 results, Open Access: 1 results) Presentation (24 results, of which Int'l Joint Research: 9 results, Invited: 5 results) Remarks (2 results)

5. Control of single charge/spin states by terahertz radiation

Research Project

Research Category	Grant-in-Aid for Challenging Exploratory Research
Research Field	Nanostructural physics
Research Institution	Tohoku Institute of Technology (2014) The University of Tokyo (2013)
Principal Investigator	SHIBATA Kenji 東北工業大学, 工学部, 講師
Project Period (FY)	2013-04-01 – 2015-03-31Completed
Keywords	量子ドット / テラヘルツ / トランジスタ / テラヘルツ／赤外材料・素子 / 単一電子トランジスタ / テラヘルツ/赤外材料・素子
Outline of Final Research Achievements	Electrical manipulation and read-out of quantum mechanical states of electrons in zero-dimensional (0D) nanostructures is a key to great innovation in ...

Research Products of this project	Journal Article (6 results, of which Peer Reviewed: 6 results, Acknowledgement Compliant: 2 results) Presentation (11 results, of which Invited: 1 results) Remarks (5 results)

6. Electron transport through site-controlled single quantum dots/rings and its applications

Research Project

Research Category	Grant-in-Aid for Scientific Research (A)
Research Field	Nanostructural physics
Research Institution	The University of Tokyo
Principal Investigator	Hirakawa Kazuhiko 東京大学, 生産技術研究所, 教授
Project Period (FY)	2013-04-01 – 2016-03-31Completed
Keywords	量子ドット / テラヘルツ / 単一電子トランジスタ / ナノ構造 / 量子ナノ構造 / 量子準位 / 帯電エネルギー / テラヘルツ電磁波
Outline of Final Research Achievements	The orbital quantization energies and electron energies in self-assembled InAs quantum dots lie in the energy range of terahertz photons. However, si ...

Research Products of this project	Int'l Joint Research (2 results) Journal Article (12 results, of which Peer Reviewed: 12 results, Acknowledgement Compliant: 6 results, Open Access: 1 results) Presentation (67 results, of which Int'l Joint Research: 14 results, Invited: 14 results) Remarks (4 results)

7. Site- and shape-controlled growth of InAs quantum dots and their application to the electronics/photonics devices

Research Project

Research Category	Grant-in-Aid for Young Scientists (A)
Research Field	Microdevices/Nanodevices
Research Institution	The University of Tokyo
Principal Investigator	SHIBATA Kenji 東京大学, ナノ量子情報エレクトロニクス研究機構, 特任講師
Project Period (FY)	2011-04-01 – 2014-03-31Completed
Keywords	量子ドットデバイス / ナノ物性制御 / テラヘルツ / トランジスタ / 量子ドット / テラヘルツ電磁波 / 単一電子トランジスタ / テラヘルツ波 / トンネル効果 / 電子デバイス / 光デバイス
Research Abstract	Electrical manipulation and read-out of quantum states in zero-dimensional nanostructures by nano-gap metal electrodes is expected to bring about inno ...

Research Products of this project	Journal Article (19 results, of which Peer Reviewed: 19 results) Presentation (35 results, of which Invited: 3 results) Remarks (5 results)

8. Physics and application of single self-assembled InAs quantum dot transistors

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	Electron device/Electronic equipment
Research Institution	The University of Tokyo
Principal Investigator	SHIBATA Kenji The University of Tokyo
Project Period (FY)	2007 – 2009Completed
Keywords	電子デバイス・集積回路 / 量子ドット / 単一電子トランジスタ / 超伝導 / 強磁性 / テラヘルツ電磁波 / 自己組織化 / インジウム砒素 / フォノン / 近藤効果
Research Abstract	We have fabricated lateral electron tunneling structures by forming nanogap electrodes directly contacting single self-assembled InAs quantum dots (QD ...

Research Products of this project	Journal Article (44 results, of which Peer Reviewed: 44 results) Presentation (39 results) Remarks (2 results)

9. Physics and applications of terahertz dynamics of quantum nanostructures

Research Project

Research Category	Grant-in-Aid for Scientific Research (A)
Research Field	Microdevices/Nanodevices
Research Institution	The University of Tokyo
Principal Investigator	HIRAKAWA Kazuhiko The University of Tokyo
Project Period (FY)	2006 – 2008Completed
Keywords	ナノ制御 / テラヘルツ電磁波 / 量子ナノ構造 / 分子素子 / 半導体超格子 / ブロッホ振動 / 量子ドット / ナノ構造
Research Abstract	本研究では、電子とテラヘルツ電磁波との相互作用の詳細な検討から、バルク半導体や半導体超格子構造中の電子の特異な伝導ダイナミクスとそれがもたらす利得スペクトルを明らかにした。さらに利得を応用したテラヘルツ発振器の実現に向けたテラヘルツ共振器構造の試作と評価を行った。また、光の回折限界を大きく超えて、テ ...

Research Products of this project	Journal Article (58 results, of which Peer Reviewed: 25 results) Presentation (59 results) Book (17 results) Patent(Industrial Property Rights) (2 results)