Uchida Ken

Design and analysis of a high-speed low-power comparator with regeneration enhancement and through current suppression techniques from 4 K to 300 K in 65-nm Cryo-CMOS

Chia-Wei Pai, Ken Uchida, Munehiro Tada, Hiroki Ishikuro

Microelectronics Journal, 144 106066-106066, Feb, 2024

Understanding of a Pt thin-film H2 sensor under working conditions by AP-XPS and XAFS

Ryo Toyoshima, Takahisa Tanaka, Taro Kato, Hitoshi Abe, Ken Uchida, Hiroshi Kondoh

Chemistry Letters, Dec 5, 2023

Hydrogen gas and the gut microbiota are potential biomarkers for the development of experimental colitis in mice

Yuta Fujiki, Takahisa Tanaka, Kyosuke Yakabe, Natsumi Seki, Masahiro Akiyama, Ken Uchida, Yun-Gi Kim

Gut Microbiome, 5, Nov 6, 2023

Alkyl-Chain-Length and Temperature Dependencies of Sensor Responses to Aliphatic Alcohols in Nanostructured Pt-Based Sensors

Yusuke Hamanaka, Takahisa Tanaka, Ken Uchida

ACS Applied Nano Materials, Sep 11, 2023

A 65nm Cryogenic CMOS Design and Performance at 4.2K for Quantum State Controller Application

Munehiro Tada, Koichiro Okamoto, Takahisa Tanaka, Makoto Miyamura, Hiroki Ishikuro, Ken Uchida, Toshitsugu Sakamoto

IEEE Journal of the Electron Devices Society, 1-1, 2023

Efficient electrocatalytic H2O2 evolution utilizing electron-conducting molecular wires spatially separated by rotaxane encapsulation

Sheng-Ying Chou, Hiroshi Masai, Masaya Otani, Hiromichi V. Miyagishi, Gentaro Sakamoto, Yusuke Yamada, Yusuke Kinoshita, Hitoshi Tamiaki, Takayoshi Katase, Hiromichi Ohta …

Applied Catalysis B: Environmental, 327 122373-122373, Jan, 2023 Peer-reviewed

Origin of the High Selectivity of the Pt–Rh Thin-Film H₂ Gas Sensor Studied by Operando Ambient-Pressure X-ray Photoelectron Spectroscopy at Working Conditions

Ryo Toyoshima, Takahisa Tanaka, Taro Kato, Ken Uchida, Hiroshi Kondoh

The Journal of Physical Chemistry Letters, 8546-8552, Sep 6, 2022

Experimental study on shallow and deep dopant properties at the interface of PtOx/ZnO Schottky diodes

Mikiya Matsumura, Takahisa Tanaka, Ken UCHIDA

Japanese Journal of Applied Physics, 61(SD) 1031, May 20, 2022 Peer-reviewed

Simultaneous Detection of Mixed-Gas Components by Ionic-Gel Sensors with Multiple Electrodes

Takahisa Tanaka, Yusuke Hamanaka, Taro Kato, Ken Uchida

ACS Sensors, Mar 16, 2022

Cryogenic operation of NanoBridge at 4 K for controlling qubit

Koichiro Okamoto, Takahisa Tanaka, Makoto Miyamura, Hiroki Ishikuro, Ken Uchida, Toshitsugu Sakamoto, Munehiro Tada

Japanese Journal of Applied Physics, 61(SC) SC1049-SC1049, Feb 18, 2022 Peer-reviewed

Enhanced Drain Current in Transient Mode due to Long Ionization Time of Shallow Impurities at 4 K in 65-nm bulk Cryo CMOS Transistors.

Tomohisa Miyao, Takahisa Tanaka, Itsuki Imanishi, Masayuki Ichikawa, Shuya Nakagawa, Hiroki Ishikuro, Toshitsugu Sakamoto, Munehiro Tada, Ken Uchida

Device Research Conference(DRC), 1-2, 2022

Atomistic simulation study of impacts of surface carrier scatterings on carrier transport in Pt nanosheets

Takahisa Tanaka, Taro Kato, Takeaki Yajima, Ken Uchida

IEEE Electron Device Letters, 1-1, May, 2021 Peer-reviewed

Temperature dependence of resistivity increases induced by thiols adsorption in gold nanosheets

Taro Kato, Takahisa Tanaka, Takeaki Yajima, Ken Uchida

Japanese Journal of Applied Physics, 60(SB) SBBH13-SBBH13, Feb 3, 2021 Peer-reviewed

Regulating phase transformation kinetics via redox reaction in ferroelectric Ge-doped HfO2

T. Yajima, T. Nishimura, S. Migita, T. Tanaka, K. Uchida, A. Toriumi

Applied Physics Letters, 117(18) 182902-182902, Nov 2, 2020

In situ AP-XPS analysis of a Pt thin-film sensor for highly sensitive H2 detection

Ryo Toyoshima, Takahisa Tanaka, Taro Kato, Ken Uchida, Hiroshi Kondoh

Chemical Communications, 56(70) 10147-10150, Jul 21, 2020

Impact of defects in self-assembled monolayer on humidity sensing by molecular functionalized transistors

T. Tanaka, T. Yajima, K. Uchida

Jpn. J. Appl. Phys., Apr 13, 2020 Peer-reviewed

Modulation of VO2 Metal–Insulator Transition by Ferroelectric HfO2 Gate Insulator

T. Yajima, T. Nishimura, T. Tanaka, K. Uchida, A. Toriumi

Adv. Elec. Mater., 2020 1901356, Mar, 2020 Peer-reviewed

Co-porphyrin functionalized CVD graphene ammonia sensor with high selectivity to disturbing gases: hydrogen and humidity

K. Sawada, T. Tanaka, T. Yokoyama, R. Yamachi, Y. Oka, Y. Chiba, H. Masai, J. Terao, K. Uchida

Japanese Journal of Applied Physics, 59(SG) SGGG09-SGGG09, Feb, 2020

High-speed low-energy heat signal processing via digital-compatible binary switch with metal-insulator transitions.

T. Yajima, T. Tanaka, Y. Samata, K. Uchida, A. Toriumi

International Electron Devices Meeting (IEDM), 903-906, Dec, 2019 Peer-reviewed

Low-Power and ppm-Level Multimolecule Detection by Integration of Self-Heated Metal Nanosheet Sensors

Uchida Ken

IEEE Trans. Electron Devices, 66(12) 5393-5398, Oct, 2019 Peer-reviewed

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