Kenji Tsubaki

1.4k citations

18 papers · 1.2k indexed · 1 hit paper · h-index 11

Condensed Matter Physics top 1%
Electronic, Optical and Magnetic Materials top 5%
Materials Chemistry top 10%
Biomedical Engineering top 10%
Electrical and Electronic Engineering

Co-authors: Hideki Hirayama Takayoshi Takano Norimichi Noguchi Takuya Mino Jun Sakai Sachie Fujikawa Norihiko Kamata Jun Norimatsu
Topics: GaN-based semiconductor devices and materials (14 papers)Ga2O3 and related materials (13 papers)Metal and Thin Film Mechanics (6 papers)
Cited by: Condensed Matter Physics Electronic, Optical and Magnetic Materials Materials Chemistry
Journals: Nanotechnology Japanese Journal of Applied Physics Synthetic Metals
Partner nations: Japan France

In The Last Decade

Kenji Tsubaki

18 papers receiving 1.1k citations

Hit Papers

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What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Deep-ultraviolet light-emitting diodes with external quantum efficiency higher than 20% at 275 nm achieved by improving light-extraction efficiency

2017 467 citations Takayoshi Takano, Takuya Mino et al. Applied Physics Express profile →

Peers

Countries citing papers authored by Kenji Tsubaki

Since Specialization

Citations

This map shows the geographic impact of Kenji Tsubaki's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Kenji Tsubaki with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kenji Tsubaki more than expected).

Fields of papers citing papers by Kenji Tsubaki

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kenji Tsubaki. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Kenji Tsubaki. The network helps show where Kenji Tsubaki may publish in the future.

Co-authorship network of co-authors of Kenji Tsubaki

This figure shows the co-authorship network connecting the top 25 collaborators of Kenji Tsubaki. A scholar is included among the top collaborators of Kenji Tsubaki based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Kenji Tsubaki. Kenji Tsubaki is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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18 of 18 papers shown

#	Work	Indexed citations
1	Deep-ultraviolet light-emitting diodes with external quantum efficiency higher than 20% at 275 nm achieved by improving light-extraction efficiencybreakdown → 2017 ·Applied Physics Express ·Takayoshi Takano,Takuya Mino,Jun Sakai,Norimichi Noguchi,Kenji Tsubaki,Hideki Hirayama	467
2	Over 10% EQE AlGaN deep-UV LED using transparent p-AlGaN contact layer (Conference Presentation) 2017 ·Hideki Hirayama,Takayoshi Takano,Jun Sakai,Takuya Mino,Kenji Tsubaki,Noritoshi Maeda,Masafumi Jo,(unknown),Takuma Matsumoto,Norihiko Kamata	6
3	Realization of over 10% EQE AlGaN deep-UV LED by using transparent p-AlGaN contact layer 2016 ·Hideki Hirayama,Takayoshi Takano,Jun Sakai,Takuya Mino,Kenji Tsubaki,Noritoshi Maeda,Masafumi Jo,(unknown),(unknown),Takuma Matsumoto,Norihiko Kamata	6
4	Development of 260 nm band deep-ultraviolet light emitting diodes on Si substrates 2013 ·Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE ·Takuya Mino,Hideki Hirayama,Takayoshi Takano,Kenji Tsubaki,Masakazu Sugiyama	2
5	Characteristics of epitaxial lateral overgrowth AlN templates on (111)Si substrates for AlGaN deep‐UV LEDs fabricated on different direction stripe patterns 2012 ·Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics ·Takuya Mino,Hideki Hirayama,Takayoshi Takano,Kenji Tsubaki,Masakazu Sugiyama	14
6	Highly‐uniform 260 nm‐band AlGaN‐based deep‐ultraviolet light‐emitting diodes developed by 2‐inch×3 MOVPE system 2011 ·Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics ·Takuya Mino,Hideki Hirayama,Takayoshi Takano,Norimichi Noguchi,Kenji Tsubaki	10
7	Realization of 256–278 nm AlGaN-Based Deep-Ultraviolet Light-Emitting Diodes on Si Substrates Using Epitaxial Lateral Overgrowth AlN Templates 2011 ·Applied Physics Express ·Takuya Mino,Hideki Hirayama,Takayoshi Takano,Kenji Tsubaki,Masakazu Sugiyama	29
8	Multicolour luminescence from InGaN quantum wells grown over GaN nanowire arrays by molecular-beam epitaxy 2010 ·Nanotechnology ·R. Armitage,Kenji Tsubaki	82
9	Extremely high efficiency 280 nm‐band emission from quaternary InAlGaN quantum wells realized by controlling Si‐doped layers 2009 ·Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics ·Sachie Fujikawa,Hideki Hirayama,Takayoshi Takano,Kenji Tsubaki	6
10	Milliwatt power 270 nm‐band AlGaN deep‐UV LEDs fabricated on ELO‐AlN templates 2009 ·Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics ·Hideki Hirayama,Jun Norimatsu,Norimichi Noguchi,Sachie Fujikawa,Takayoshi Takano,Kenji Tsubaki,Norihiko Kamata	24
11	222–282 nm AlGaN and InAlGaN‐based deep‐UV LEDs fabricated on high‐quality AlN on sapphire 2009 ·physica status solidi (a) ·Hideki Hirayama,Sachie Fujikawa,Norimichi Noguchi,Jun Norimatsu,Takayoshi Takano,Kenji Tsubaki,Norihiko Kamata	356
12	Fabrication of a low threading dislocation density ELO‐AlN template for application to deep‐UV LEDs 2009 ·Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics ·Hideki Hirayama,Sachie Fujikawa,Jun Norimatsu,Takayoshi Takano,Kenji Tsubaki,Norihiko Kamata	114
13	Realization of 270 nm band AlGaN based UV‐LEDs on large area AlN templates with high crystalline quality 2009 ·Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics ·Takayoshi Takano,Hideki Hirayama,Sachie Fujikawa,Kenji Tsubaki	2
14	222-282 nm AlGaN and InAlGaN based deep-UV LEDs fabricated on high-quality AlN template 2009 ·Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE ·Hideki Hirayama,Norimichi Noguchi,Sachie Fujikawa,Jun Norimatsu,Norihiko Kamata,Takayoshi Takano,Kenji Tsubaki	18
15	Acoustic Emission Characteristics of Nanocrystalline Porous Silicon Device Driven as an Ultrasonic Speaker 2006 ·Japanese Journal of Applied Physics ·Kenji Tsubaki,Takuya Komoda,Nobuyoshi Koshida	8
16	Three-Dimensional Image Sensing in Air by Thermally Induced Ultrasonic Emitter Based on Nanocrystalline Porous Silicon 2005 ·Japanese Journal of Applied Physics ·Kenji Tsubaki,Hiroshi Yamanaka,(unknown),Takuya Komoda,Nobuyoshi Koshida	23
17	High Efficiency Blue Organic Electroluminescent Devices Having a Metal-Doped Electron Injection Layer 2005 ·Synthetic Metals ·(unknown),Kenji Tsubaki,(unknown),Junji Kido	21
18	Enhancing the Sound Pressure of Thermally Induced Ultrasonic Emitter Based on Nanocrystalline Porous Silicon 2004 ·MRS Proceedings ·Kenji Tsubaki,Takuya Komoda,Nobuyoshi Koshida	1

About Kenji Tsubaki

Kenji Tsubaki is a scholar working on Condensed Matter Physics, Electronic, Optical and Magnetic Materials and Mechanics of Materials, having authored 18 papers that have together received 1.2k indexed citations. Recurring topics across this work include GaN-based semiconductor devices and materials (14 papers), Ga2O3 and related materials (13 papers) and Metal and Thin Film Mechanics (6 papers). The work is most often cited by research in Condensed Matter Physics (1.1k citations), Electronic, Optical and Magnetic Materials (767 citations) and Materials Chemistry (516 citations). Kenji Tsubaki has collaborated with scholars based in Japan and France. Frequent co-authors include Hideki Hirayama, Takayoshi Takano, Norimichi Noguchi, Takuya Mino, Jun Sakai, Sachie Fujikawa, Norihiko Kamata, Jun Norimatsu, R. Armitage and Masakazu Sugiyama. Their work appears in journals such as Nanotechnology, Japanese Journal of Applied Physics and Synthetic Metals.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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