Hideki Hirayama - Concepedia

Author

Hideki Hirayama

Also Known As

H Hirayama, H. Hirayama, HIDEKI HIRAYAMA, Hideki HIRAYAMA, Hideki Hirayama, Hideki Hirayama Hideki Hirayama, Hirayama, H., Hirayama, Hideki

446

Publications

8.7K

Citations

H-Index

Concepts

All Affiliations

RIKEN Nippon Soken (Japan)Saitama University RIKEN Center for Advanced Photonics Japan Science and Technology Agency

About

Hideki Hirayama is an author at RIKEN specializing in engineering, applied physics, and optoelectronics.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	42	118	7.2K
2	Applied Physics	41	114	7K
3	Natural Sciences	6	6	641
4	Chemical Engineering	4	4	164
5	Health Sciences	1	1	108

Hideki Hirayama

139

Publications

8.3K

Citations

H-Index

Page 1

	Year	Citations
Deep-ultraviolet light-emitting diodes with external quantum efficiency higher than 20% at 275 nm achieved by improving light-extraction efficiency Takayoshi Takano, Takuya Mino, Jun Sakai, Applied Physics Express EngineeringOptical PropertiesNanoelectronicsEncapsulation ResinLight-emitting Diodes	2017	544
Recent progress and future prospects of AlGaN-based high-efficiency deep-ultraviolet light-emitting diodes Hideki Hirayama, Noritoshi Maeda, Sachie Fujikawa, Japanese Journal of Applied Physics Optical MaterialsFuture ProspectsEngineeringOptoelectronic DevicesSemiconductors	2014	541
The 2020 UV emitter roadmap Hiroshi Amano, Ramón Collazo, Carlo De Santi, Journal of Physics D Applied Physics	2020	489
222–282 nm AlGaN and InAlGaN‐based deep‐UV LEDs fabricated on high‐quality AlN on sapphire Hideki Hirayama, Sachie Fujikawa, Norimichi Noguchi, physica status solidi (a) Aluminium NitrideEngineeringOptoelectronic DevicesSemiconductorsElectronic Devices	2009	419
Quaternary InAlGaN-based high-efficiency ultraviolet light-emitting diodes Hideki Hirayama Journal of Applied Physics Optical MaterialsEngineeringOptoelectronic DevicesSemiconductorsElectronic Devices	2005	350
231–261nm AlGaN deep-ultraviolet light-emitting diodes fabricated on AlN multilayer buffers grown by ammonia pulse-flow method on sapphire Hideki Hirayama, Tohru Yatabe, Norimichi Noguchi, Applied Physics Letters Aluminium NitrideElectrical EngineeringSolid-state LightingEngineeringPhysics	2007	343
Microassembly of semiconductor three-dimensional photonic crystals K. Aoki, Hideki T. Miyazaki, Hideki Hirayama, Nature Materials PhotonicsEngineeringApplied PhysicsMicro-optical ComponentPhotonic Device	2003	298
Marked Enhancement in the Efficiency of Deep-Ultraviolet AlGaN Light-Emitting Diodes by Using a Multiquantum-Barrier Electron Blocking Layer Hideki Hirayama, Yusuke Tsukada, Tetsutoshi Maeda, Applied Physics Express SemiconductorsElectrical EngineeringElectronic DevicesEngineeringSolid-state Lighting	2010	295
Recent Progress in AlGaN‐Based Deep‐UV LEDs Hideki Hirayama, Sachie Fujikawa, Norihiko Kamata Electronics and Communications in Japan Materials ScienceSterilization ApplicationsElectrical EngineeringOptical MaterialsEngineering	2015	151
High external quantum efficiency (10%) AlGaN-based deep-ultraviolet light-emitting diodes achieved by using highly reflective photonic crystal on p-AlGaN contact layer Yukio Kashima, Noritoshi Maeda, Eriko Matsuura, Applied Physics Express White OledPhotonicsElectrical EngineeringSolid-state LightingEngineering	2017	145

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