Kaizu Toshiyuki

カイヅトシユキ | Kaizu Toshiyuki

Affiliation and department：
Job title： Assistant Professor
Other affiliations (1)：

Research field (2)： Crystal engineering , Applied materials

Research keywords (5)：光物性 , 表面界面物性 , ナノマテリアル , 電子・電気材料工学 , 結晶工学

Research theme for competitive and other funds (3)：

2017 - 2020 窒素デルタドープによるGaAs基板上InAs量子ドット発光の1.5μm帯長波長化
2016 - 2019 未踏光周波数帯域を開拓する広帯域偏波無依存光アンプ基盤技術の構築
1998 - 2004 Uniform Formation of Self-organized InAs Quantum Dots by Molecular Beam Epitaxy

Papers (55)：

ASAHI SHIGEO, KAIZU TOSHIYUKI, KITA TAKASHI. Adiabatic two-step photoexcitation effects in intermediate-band solar cells with quantum dot-in-well structure. Scientific Reports. 2019. 9. 7859-1-8
Kazuki Hirao, Shigeo Asahi, Toshiyuki Kaizu, Takashi Kita. Two-step photocurrent generation enhanced by the fundamental-state miniband formation in intermediate-band solar cells using a highly homogeneous InAs/GaAs quantum-dot superlattice. APPLIED PHYSICS EXPRESS. 2018. 11. 1. 012301-1-4
R. C. Plantenga, V. R. Kortan, KAIZU TOSHIYUKI, HARADA YUKIHIRO, KITA TAKASHI, M. E. Flatté, P. M. Koenraad. Spatially Resolved Electronic Structure of an Isovalent Nitrogen Center in GaAs. Phys. Rev. B. 2017. 96. 155210. 1-8
T. Kada, S. Asahi, T. Kaizu, Y. Harada, R. Tamaki, Y. Okada, T. Kita. Efficient two-step photocarrier generation in bias-controlled InAs/GaAs quantum dot superlattice intermediate-band solar cells. SCIENTIFIC REPORTS. 2017. 7. 5865. 1-10
S. Watanabe, ASAHI SHIGEO, T. Kada, K. Hirao, KAIZU TOSHIYUKI, HARADA YUKIHIRO, KITA TAKASHI. Two-Step Photocurremt Generation Enhanced by Miniband Formation in InAs/GaAs Quantum Dot Superlattice Intermediate-Band Solar Cells. Appl. Phys. Lett. 2017. 110. 193104. 1-5

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MISC (38)：

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Lectures and oral presentations (80)：

One-Dimensional Electronic States in Highly-Stacked InAs/GaAs Quantum Dot Superlattices
(Compound Semiconductor Week2019 2019)
“Effects of GaAs-Capping Temperature on The Emission Wavelength of InAs Quantum Dots Grown on Nitrogen-Doped GaAs(001)Surfaces
(20th International Conference on Molecular Beam Epitaxy 2018)
多孔質炭素電極を用いた光化学電池の基礎特性
(平成30年度半導体エレクトロニクス部門委員会第1回研究会 2018)
Carrier Collection Efficiency of Intraband-Excited Carriers in Two-Step Photon Up-Conversion Solar Cells
(The 7th edition of the World Conference on Photovoltaic Energy Conversion 2018)
Multiple Stacking of Capping Temperature-Controlled InAs/GaAs Quantum Dots with AlGaAs Barrier Layers for Broadband Emission
(Compound Semiconductor Week 2018 2018)

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Education (5)：

2001 - 2004 The University of Electro-Communications
1999 - 2001 The University of Electro-Communications
- 2001 The University of Electro-Communications Graduate School, Division of Electro Communications
1995 - 1999 The University of Electro-Communications Faculty of Electro-Communications Department of Electronic Engineering
- 1999 The University of Electro-Communications Faculty of Electro Communications

Professional career (2)：

Work history (6)：

2012/10 - 現在 Kobe University Center for Supports to Research and Education Activities
2010/04 - 2012/09 The University of Tokyo Research Center for Advanced Science and Technology
2007/04 - 2010/03 物質・材料研究機構量子ドットセンターポスドク
2005/10 - 2007/03 日本原子力研究開発機構量子ビーム応用研究部門放射光科学研究ユニット特定課題推進員
2004/04 - 2005/09 日本原子力研究所放射光科学研究センター特定課題推進員

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Awards (1)：

Association Membership(s) (2)：

The Japan Society of Applied Physics , 応用物理学会

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