Research field (2)：
Electronic devices and equipment
, Electric/electronic material engineering
Research theme for competitive and other funds (24)：
2023 - 2027 共鳴トンネル発振器を用いた周波数ΔΣ変調方式走査型プローブ顕微鏡
2018 - 2022 High performance sensors based on frequency delta-sigma modulation using a THz oscillator
2016 - 2019 Resonant tunneling diodes based on non-crystalline oxide semiconductors for micro/millimeter wave electronics
2013 - 2017 Studies on THz sampling and signal generation technologies based on MEMS/resonant tunneling diode integration
2014 - 2016 Frequency delta sigma modulation position snsors based on a reflected electromagnetic wave resonance
2012 - 2015 Study on Wireless Power Transmission for Remote Controlled Objects
2010 - 2012 Fabrication of InSb-based high-speed and low power devices on Si by using surface reconstruction controlled epitaxy
2010 - 2012 Spatial frequency locking in integrated quantum effect and elastic wave devices and its applications
2008 - 2010 Study on Portable Devices for Active Millimeter-wave Imaging
2008 - 2010 Active Transmission Lines Loaded with Resonant Tunneling Diodes and Their Application to THz Signal Generation and Processing
2008 - 2008 広帯域・高ダイナミックレンジが可能な高性能デジタル超音波センサの開発
2006 - 2007 Sub-THz sampling AD converters using resonant tunneling diodes
2006 - 2006 高効率・高出力THz発信器の開発とその応用
2005 - 2005 高速化に適したΔΣ型アナログ-デジタル変換器
2003 - 2005 Ultrahigh frequency integrated circuits using resonant tunneling diodes
2003 - 2004 極微細素子を用いた一般化座標上のトンネル現象の研究
2001 - 2002 Fabrication and Characterization of GaN HEMTs with short gate length
2000 - 2001 Study of ultrahigh-frequency signal generation and processing using resonant tunneling chaos devices
量子機能デバイスの新しい計算アーキテクトャへの応用
大きな格子下整合をもつ系のヘテロエピタキシーとそのデバイス応用の研究
共鳴トンネル素子を用いた超高速集積回路の研究
Applications of Quantum Functional Devices to New Architectures of Computation
Study on Heteroepitaxial Growth of Highly-Mismatched Systems and its Application to Electron Devices
Study High-Speed Integrated Circuits using Resonant Tunneling Diodes
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Papers (111)：
Koichi Maezawa, Umer Farooq, Masayuki Mori. A Novel Displacement Sensor Based on a Frequency Delta-Sigma Modulator and its Application to a Stylus Surface Profiler. IEICE Transactions on Electronics. 2023. E106.C. 9. 486-490
Umer Farooq, Masayuki Mori, Koichi Maezawa. Experimental Characterization of Resonant Tunneling Chaos Generator Circuits in Microwave Frequency Range. IEICE Transactions on Electronics. 2023. E106.C. 5. 174-183
Masayuki Mori, Jotaro Inoue, Koichi Maezawa. Influence of Composition Ratio of In and Ga Atoms of InGaSb Bi-layer on Growth of InGaSb Thin Films on Si(111) Substrate. e-Journal of Surface Science and Nanotechnology. 2023. 21. 3. 132-138
Kenya Yonekura, Tasuku Kawamoto, Jianbo Liang, Eiji Shikoh, Koichi Maezawa, Naoteru Shigekawa. Low-loss characteristics of coplanar waveguides fabricated by directly bonding metal foils to high-resistivity Si substrates. Japanese Journal of Applied Physics. 2022. 61. 47
Koichi NARAHARA, Koichi MAEZAWA. Enhanced oscillation frequency in series-connected resonant-tunneling diode-oscillator lattice loop. IEICE Transactions on Electronics. 2022
A. A.M. Monzur-Ul-Akhir, Masayuki Mori, Koichi Maezawa. Effect of flux ratio on GaSb films grown at a low temperature on Si(111). 2019 Joint 8th International Conference on Informatics, Electronics and Vision, ICIEV 2019 and 3rd International Conference on Imaging, Vision and Pattern Recognition, icIVPR 2019 with International Conference on Activity and Behavior Computing, ABC 2019. 2019. 312-317
