Kazuhiko Hara

ハラカズヒコ | Kazuhiko Hara

Affiliation and department：
Job title： Professor

Research field (2)： Inorganic materials , Crystal engineering

Research keywords (4)：光物性 , 結構工学 , 固体物理学 , 化合物半導体

Research theme for competitive and other funds (7)：

2021 - 2024 Fabrication of quantum-dot-dispersed semiconductor films by the single process using mist CVD
2018 - 2021 Development of basic process for fabrication of large single crystals of hexagonal boron nitride in wafer shape
2013 - 2014 Fabrication of hexagonal boron nitride single-crystal macro-terrace and -wall arrays with atomically flat surfaces
2012 - 2014 Fabrication of hexagonal boron nitride single-crystal macro-terrace and -wall arrays with atomically flat surfaces
2006 - 2007 Development of group-III- nitride-based nanostruchue-embedded phosphor particles

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Papers (68)：

Joseph Dona, V. Vijay, S. Harish, J. Archana, K. Hara, M. Navaneethan. Band structure modification and multi-scale phonon scattering synergistically boosts the thermoelectric performance of antimony incorporated MoS2. Journal of Alloys and Compounds. 2024
Yudai Inagaki, Yuki Kawai, Tomoya Arimoto, Togi Sasaki, Ayumu Ohashi, Kazuhiko Hara, Tetsuya Kouno. Selectively enhanced crystal growth of periodically arrayed ZnO nanowires by mist chemical vapor deposition and electron beam lithography. Journal of Crystal Growth. 2024
Maxim Sychov, Mariia Keskinova, Andrey Dolgin, Igor Turkin, Kazuhiko Hara, Hiroko Kominami. One-Step Microwave Synthesis of New Hybrid Phosphor (CSSC) for White Light-Emitting Diodes. Ceramics. 2023. 4. 2086-2097
K. Silambarasan, E. Vinoth, S. Harish, M. Navaneethan, K. Hara. High spectral responsivity and specific detectivity of p-MoS2/n-Si heterojunction photodetector for near-IR detection via facile solution process. Journal of Materials Science: Materials in Electronics. 2023
Joseph Dona, S. Harish, K. Hara, M. Navaneethan. Metal-assisted growth of MoS2 nanosheets on carbon fabric with enhanced electrical conductivity for self-powered wearable thermoelectric application. Journal of Materials Science: Materials in Electronics. 2023

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MISC (99)：

Kodai Kato, Junichi Iwata, Masaru Sakai, Kazuhiko Hara, Tetsuya Kouno. Characterization of ZnO Crystals of Various Geometries Grown by Mist Chemical Vapor Deposition on a c-Plane Sapphire Substrate. Phys. Status Solidi B. 2024
Kazuhiko Hara, Taiki Oishi, Soma Ota, Ruki Aoike, Yuma Takahashi, Akira Takemura, Hiroko Kominami. Low-Pressure Chemical Vapor Deposition of Hexagonal Boron Nitride on a-Plane Sapphire Using BCl3 as a Boron Source. Phys. Status Solidi B. 2024
Joichiro Ichikawa, Hiroko Kominami, Kazuhiko Hara, Masato Kakihana, Yuta Matsushima. Electronic Structure Calculation of Cr3+ and Fe3+ in Phosphor Host Materials Based on Relaxed Structures by Molecular Dynamics Simulation. Technologies. 2022. 3
責任著者, 石崎学, 共著者]石崎学, 田中貴大, 栗原正人, 小南裕子, 原和彦. 半導体ナノ粒子を用いた高効率アップコンバージョン複合体の構築. ナノ学会会報. 2018. 16. 1. 31-35
責任著者, 小南裕子, 共著者, 松浦大河, 小南裕子, 中西洋一郎, 原和彦. 紫外発光混晶アルミン酸亜鉛蛍光体の発光特性. 映像情報メディア学会技術報告. 2018. 42. 2. 13-16

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Patents (5)：

窒化アルミニウム結晶粒子の製造装置、窒化アルミニウム結晶粒子の製造方法および窒化アルミニウム結晶粒子
窒化ガリウム粉体の製造方法、および窒化ガリウム粉体の製造装置
Method for producing powders made of gallium nitride and apparatus for producing the same
窒化アルミニウム系蛍光体
窒化アルミニウム系蛍光体及びその製造方法

Books (5)：

Lectures and oral presentations (414)：

BCl3/NH3を用いてサファイア基板上にCVD成長させたhBN薄膜および多形BNセグメントの陰極線蛍光評価
(第71回応用物理学会春季学術講演会 2024)
In-situ growth of Cu-doped ZnO nanoflowers via mist CVD for photodetector application
(Advanced Functional Materials and Devices 2024 2024)
Issues on substrates for the thin film growth of hexagonal boron nitride by low-pressure chemical vapor deposition
(Advanced Functional Materials and Devices 2024 2024)
Fabrication of (Zn,Mg)O Thin Films Dispersed with ZnO Nanocrystals by Mist CVD for Phosphor Applications
(30th International Display Workshops 2023)
c面サファイア基板上にミストCVD法により成長させた様々な形状のZnO結晶
(第52回結晶成長国内会議(JCCG-52) 2023)

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Education (4)：

- 1989 Tokyo Institute of Technology Interdisciplinary Science and Engineering
- 1989 Tokyo Institute of Technology Interdisciplinary Graduate School of Science and Engineering
- 1984 Tokyo Institute of Technology School of Science
- 1984 Tokyo Institute of Technology Faculty of Science

Professional career (1)：

Committee career (19)：

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Awards (4)：

2023/12 - The 30th International Display Workshops Outstanding Poster Paper Award Fabrication of (Zn,Mg)O Thin Films Dispersed with ZnO Nanocrystals by Mist CVD for Phosphor Applications
2015/11 - 2015年第76回応用物理学会秋季学術講演会Poster Award
2009/04 - APEX/JJAP編集貢献賞 (課題名:*)
2006/12 - 業績賞 (課題名:窒化物系微粒子蛍光体の研究開発)

Association Membership(s) (5)：

ワイドギャップ半導体学会 , 日本結晶成長学会 , 照明学会 , 電子情報通信学会 , 応用物理学会

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