Hitoshi Umezawa

National Institute of Advanced Industrial Science and Technology

Japan

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Articles (14)

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2025

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2024

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2024

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2020

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2020

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2020

Collaborators (9)

Etienne Gheeraert

Professor

University of Tsukuba

JAPAN

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TOMOHISA KATO

National Institute of Advanced Industrial Science and Technology

JAPAN

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Masanori Hayase

Professor

University of Tokyo

JAPAN

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Yuichi Kurashima

National Institute of Advanced Industrial Science and Technology

JAPAN

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Kimiyoshi Ichikawa

Assistant professor

Kanazawa University

JAPAN

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Eiji Higurashi

Professor

Tohoku University

JAPAN

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Toshimitsu Ito

National Institute of Advanced Industrial Science and Technology (AIST)

JAPAN

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Shinya OHMAGARI

National Institute of Advanced Industrial Science and Technology

JAPAN

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Philippe Ferrandis

Université Grenoble Alpes

FRANCE

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Hitoshi Umezawa

Research Interests

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Articles (14)

Ampere-class double pulse testing of half-inch H-terminated diamond MOSFET chip

P-Channel HFET Utilizing 2D Hole Gas in Si-Face 3C/4H-SiC Heterostructure

SiC-based high electron mobility transistor

Temperature Dependence of Betavoltaic Cell Performance of Diamond pn Junction Diode

Surface defects related to polishing cycle in ß-Ga2O3 crystals grown by floating zone

Fabrication of the SiC Gate-All-Around JFET

Low-temperature direct bonding of SiC and Ga2O3 substrates under atmospheric conditions

Diamond/β-Ga2O3 pn heterojunction diodes fabricated by low-temperature direct-bonding

Ultrawide-bandgap semiconductors: An overview

Radiation hardened H-diamond MOSFET (RADDFET) operating after 1 MGy irradiation

Heterogeneous direct bonding of diamond and semiconductor substrates using NH3/H2O2 cleaning

Ultrahigh conversion efficiency of betavoltaic cell using diamond pn junction

High yield uniformity in pseudo-vertical diamond Schottky barrier diodes fabricated on half-inch single-crystal wafers

Suppression of killer defects in diamond vertical-type Schottky barrier diodes

Collaborators (9)

Etienne Gheeraert

TOMOHISA KATO

Masanori Hayase

Yuichi Kurashima

Kimiyoshi Ichikawa

Eiji Higurashi

Toshimitsu Ito

Shinya OHMAGARI

Philippe Ferrandis

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