2026 Takafumi Yao: Materials Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	66	5240	5069	254	249	777	23237

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Materials Science

5240

5069

254

249

777

23237

Overview

Takafumi Yao is affiliated with Tohoku University in Japan, conducting research primarily in the fields of Engineering and Materials Science. Their work spans multiple subfields including Electrical and Electronic Engineering, Materials Chemistry, Atomic and Molecular Physics and Optics, Mechanical Engineering, and Polymers and Plastics.

The main topics of Takafumi Yao's research encompass:

High Entropy Alloys Studies
Advanced Fiber Laser Technologies
Proteins in Food Systems
High-Temperature Coating Behaviors
Perovskite Materials and Applications
Conducting Polymers and Applications
Quantum Dots Synthesis And Properties

The scientist has published papers in various journals and conferences. Frequent publication venues include:

SSRN Electronic Journal
Applied Surface Science
arXiv (Cornell University)
Food Chemistry
Ceramics International

Recent publications by Takafumi Yao include:

Composition design, thermodynamic calculation and synthesis of rocksalt structure Mg-Co-Ni-Cu-Zn-O HEOs based on cluster-plus-glue-atom model, 2024, Ceramics International
Preliminary exploration of the influence of N+/NH+ ions/groups bombardment at TiO2 ETLs on performance of MAPbI3 perovskite solar cells, 2023, Applied Surface Science
Reaching medium entropy oxides with rocksalt structure based on cluster-plus-glue-atom model: A case study of Co-Ni-Cu-Zn-O system with tunable optoelectrical properties, 2024, Journal of Solid State Chemistry
Energy band structure perturbation induced deviation on precise ultrafast laser nano-structuring, 2024, Materials Today Physics
Mode-locked cylindrical vector vortex beam unlocked the generation of a 2 µm multidimensional ultrafast laser, 2025, Optics Express

Takafumi Yao collaborates frequently with several researchers, including:

Shimin Liu
Weiwei Jiang
Chuang Dong
Wanyu Ding
Hualin Wang

Best Publications

Optically pumped lasing of ZnO at room temperature

D. M. Bagnall;Y. F. Chen;Z. Zhu;T. Yao

3146
Citations
Plasma assisted molecular beam epitaxy of ZnO on c -plane sapphire: Growth and characterization

Yefan Chen;D. M. Bagnall;Hang Jun Koh;Ki Tae Park

1791
Citations
High temperature excitonic stimulated emission from ZnO epitaxial layers

D. M. Bagnall;Y. F. Chen;Z. Zhu;T. Yao

1073
Citations
ZnO as a novel photonic material for the UV region

Yefan Chen;Darren Bagnall;Takafumi Yao

618
Citations
Room temperature excitonic stimulated emission from zinc oxide epilayers grown by plasma-assisted MBE

D.M. Bagnall;Y.F. Chen;M.Y. Shen;Z. Zhu

535
Citations
Ga-Doped ZnO Films Grown on GaN Templates by Plasma-Assisted Molecular-Beam Epitaxy

H. J. Ko;Yanfang F. Chen;S. K. Hong;H. Wenisch

508
Citations
Layer-by-layer growth of ZnO epilayer on Al2O3(0001) by using a MgO buffer layer

Yefan Chen;Hang-Ju Ko;Soon-Ku Hong;Takafumi Yao

356
Citations
Growth of ZnO single crystal thin films on c-plane (0 0 0 1) sapphire by plasma enhanced molecular beam epitaxy

Yefan Chen;D.M. Bagnall;Ziqiang Zhu;Takashi Sekiuchi

330
Citations
Photoluminescence properties of ZnO epilayers grown on CaF2(111) by plasma assisted molecular beam epitaxy

H. J. Ko;Y. F. Chen;Z. Zhu;T. Yao

314
Citations
Stimulated emission and optical gain in ZnO epilayers grown by plasma-assisted molecular-beam epitaxy with buffers

Yefan Chen;N. T. Tuan;Yusaburo Segawa;Hang-ju Ko

274
Citations
Correlation between grain size and optical properties in zinc oxide thin films

Takahiro Matsumoto;Hiroyuki Kato;Kazuhiro Miyamoto;Michihiro Sano

230
Citations
Growth and characterization of Ga-doped ZnO layers on a-plane sapphire substrates grown by molecular beam epitaxy

Hiroyuki Kato;Michihiro Sano;Kazuhiro Miyamoto;Takafumi Yao

219
Citations
Highly-bright white organic light-emitting diodes based on a single emission layer

C. H. Chuen;Y. T. Tao

218
Citations
Design and evaluation of omnidirectional one-dimensional photonic crystals

Hyun-Yong Lee;Takafumi Yao

213
Citations
Origin of forward leakage current in GaN-based light-emitting devices

S. W. Lee;D. C. Oh;H. Goto;J. S. Ha

199
Citations
Band alignment at a ZnO/GaN (0001) heterointerface

Soon Ku Hong;Takashi Hanada;Hisao Makino;Yefan Chen

184
Citations
The effect of lattice deformation on optical properties and lattice parameters of ZnSe grown on (100)GaAs

Takafumi Yao;Yasumasa Okada;Susumu Matsui;Kohtaro Ishida

178
Citations
Biexciton emission from high-quality ZnO films grown on epitaxial GaN by plasma-assisted molecular-beam epitaxy

H. J. Ko;Y. F. Chen;T. Yao;Kensuke Miyajima

178
Citations
Polarity control of ZnO on sapphire by varying the MgO buffer layer thickness

Hiroyuki Kato;Kazuhiro Miyamoto;Michihiro Sano;Takafumi Yao

176
Citations
Dynamics of photoexcited carriers in ZnO epitaxial thin films

Aishi Yamamoto;Takeo Kido;Takenari Goto;Yefan Chen

164
Citations
Growth process in atomic layer epitaxy of Zn chalcogenide single crystalline films on (100)GaAs

Unknown

157
Citations