Akihiro Koyama - Concepedia

Author

Akihiro Koyama

Japan Petroleum Energy Center ORCID

Also Known As

A Koyama, A. Koyama, Akihiro KOYAMA, Akihiro Koyama, Ayako Koyama, Koyama, Akihiro

Publications

322

Citations

H-Index

Concepts

All Affiliations

Japan Petroleum Energy Center The University of Tokyo Mitsubishi Electric (Japan)

About

Akihiro Koyama is an author at Japan Petroleum Energy Center specializing in engineering, applied physics, and condensed matter physics.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	9	9	229
2	Applied Physics	6	6	159
3	Medicine	1	1	20
4	Chemical Engineering	1	1	17
5	Chemistry	1	1	17

Akihiro Koyama

Publications

239

Citations

H-Index

Page 1

	Year	Citations
Growth and characterization of 100 mm diameter CdZnTe single crystals by the vertical gradient freezing method Toshiaki Asahi, Osamu Oda, Yuki Taniguchi, Journal of Crystal Growth Materials ScienceCdznte Single CrystalsEngineeringCrystal MaterialCrystal Growth Technology	1996	55
Characterization of 100 mm diameter CdZnTe single crystals grown by the vertical gradient freezing method Toshiaki Asahi, Osamu Oda, Yuki Taniguchi, Journal of Crystal Growth Materials ScienceCdznte Single CrystalsEngineeringCrystal MaterialCrystal Growth Technology	1995	28
Recent progress in CdZnTe crystals Akihiro Koyama, A. Hichiwa, R. Hirano Journal of Electronic Materials Cdznte CrystalsInorganic ChemistryCrystal StructureEngineeringCrystal Material	1999	27
27.5 kV 4H-SiC PiN diode with space-modulated JTE and carrier injection control Koji Nakayama, Tomonori Mizushima, Kensuke Takenaka, Space-modulated JteElectrical EngineeringSemiconductor DeviceEngineeringHigh Voltage Engineering	2018	27
The current mode Time-over-Threshold ASIC for a MPPC module in a TOF-PET system Tadashi Orita, Akihiro Koyama, Masao Yoshino, Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment EngineeringComputer EngineeringAsic ImplementationSystems EngineeringAsic Design	2017	26
Radiation stability of an InGaZnO thin-film transistor in heavy ion radiotherapy Akihiro Koyama, Hiroaki Miyoshi, Kenji Shimazoe, Biomedical Physics & Engineering Express Semiconductor TechnologyElectrical EngineeringRadiation MedicineEngineeringRadiation Therapy	2017	20
Gate Oxide Instability and Lifetime in SiC MOSFETs under a Wide Range of Positive Electric Field Stress Munetaka Noguchi, Akihiro Koyama, T. Iwamatsu, Semiconductor TechnologyElectrical EngineeringSemiconductor DeviceEngineeringCrystalline Defects	2020	18
Chromatographic study of some inorganic ions on sephadex gel in thiocyanate media Genichiro Kura, Akihiro Koyama, Toshikazu Tarutani Journal of Chromatography A Inorganic ChemistryChemical EngineeringEngineeringSeparation ScienceAnalytical Chemistry	1977	17
Second Harmonic Generation of Surface Acoustic Waves from a Dot Array Yasuhiko Nakagawa, Akihiro Koyama, Hideki Nakayama Japanese Journal of Applied Physics AeroacousticsEngineeringSurface WaveAcoustic MetamaterialPiezoelectric Substrate	1991	11
Gate Oxide Instability against a Wide Range of Negative Electric Field Stress of SiC MOSFETs M. Noguchi, Akihiro Koyama, T. Iwamatsu, 2021 IEEE International Electron Devices Meeting (IEDM)	2021	10

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