2026 Akira Ohtomo: 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	73	3747	3626	159	156	341	30949

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Materials Science

3747

3626

159

156

341

30949

Overview

Akira Ohtomo is affiliated with the Tokyo Institute of Technology in Japan and has contributed to the field of materials science with a focus on materials chemistry, electronic, optical and magnetic materials, as well as electrical and electronic engineering. Their research spans topics related to ZnO doping and properties, electronic and structural properties of oxides, Ga2O3 and related materials, advanced photocatalysis techniques, two-dimensional materials and applications, semiconductor materials and devices, and hydrogen storage and materials.

Ohtomo's recent publications include:

"Epitaxial Stabilization of Complete Solid-solution β-(Al_xGa_1-x)₂O₃ (100) Films by Pulsed-laser Deposition," 2021, Crystal Growth & Design
"p-type transparent superconductivity in a layered oxide," 2020, Science Advances
"Epitaxial Thin Film Growth of Europium Dihydride," 2020, Crystal Growth & Design
"Heavy-fermion metallic state and Mott transition induced by Li-ion intercalation in LiV₂O₄ epitaxial films," 2021, Physical Review B
"Two-dimensional superconductivity in single-band correlated 2H-type NbO₂ layers," 2022, Physical Review B

Their work has been published frequently in journals such as Crystal Growth & Design, Physical Review B, Journal of Applied Physics, Science Advances, and Physical Review Materials.

Frequent collaborators in Ohtomo's publications include Takuto Soma, K. Yoshimatsu, Hiroshi Kumigashira, Kazuki Koreishi, and Osami Sakata.

The main fields and subfields of study related to Ohtomo's research are:

Materials Science
Materials Chemistry
Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering
Renewable Energy, Sustainability and the Environment
Atomic and Molecular Physics, and Optics

The primary topics that Ohtomo has focused on consist of:

ZnO doping and properties
Electronic and Structural Properties of Oxides
Ga2O3 and related materials
Advanced Photocatalysis Techniques
2D Materials and Applications
Semiconductor materials and devices
Hydrogen Storage and Materials

Best Publications

Room-temperature ultraviolet laser emission from self-assembled ZnO microcrystallite thin films

Z. K. Tang;G. K. L. Wong;P. Yu;M. Kawasaki

2653
Citations
Repeated temperature modulation epitaxy for p-type doping and light-emitting diode based on ZnO

Atsushi Tsukazaki;Akira Ohtomo;Takeyoshi Onuma;Makoto Ohtani

2622
Citations
MgxZn1−xO as a II–VI widegap semiconductor alloy

A. Ohtomo;M. Kawasaki;T. Koida;K. Masubuchi

2269
Citations
Ultraviolet spontaneous and stimulated emissions from ZnO microcrystallite thin films at room temperature

P. Zu;Z.K. Tang;G.K.L. Wong;M. Kawasaki

1358
Citations
Artificial charge-modulationin atomic-scale perovskite titanate superlattices

A. Ohtomo;D. A. Muller;J. L. Grazul;H. Y. Hwang

1297
Citations
Electric-field-induced superconductivity in an insulator

K. Ueno;S. Nakamura;H. Shimotani;A. Ohtomo

1174
Citations
Band gap engineering based on MgxZn1−xO and CdyZn1−yO ternary alloy films

T. Makino;Y. Segawa;M. Kawasaki;A. Ohtomo

952
Citations
An oxide-diluted magnetic semiconductor: Mn-doped ZnO

T. Fukumura;Zhengwu Jin;A. Ohtomo;H. Koinuma

908
Citations
Atomic-scale imaging of nanoengineered oxygen vacancy profiles in SrTiO3

David A. Muller;David A. Muller;Naoyuki Nakagawa;Naoyuki Nakagawa;Akira Ohtomo;Akira Ohtomo;John L. Grazul;John L. Grazul

763
Citations
Quantum Hall Effect in Polar Oxide Heterostructures

Atsushi Tsukazaki;A. Ohtomo;A. Ohtomo;Tomohiro Kita;Y. Ohno

745
Citations
High‐Density Carrier Accumulation in ZnO Field‐Effect Transistors Gated by Electric Double Layers of Ionic Liquids

Hongtao Yuan;Hidekazu Shimotani;Atsushi Tsukazaki;Akira Ohtomo

675
Citations
STRUCTURE AND OPTICAL PROPERTIES OF ZNO/MG0.2ZN0.8O SUPERLATTICES

A. Ohtomo;M. Kawasaki;I. Ohkubo;H. Koinuma

561
Citations
Blue Light-Emitting Diode Based on ZnO

Atsushi Tsukazaki;Masashi Kubota;Akira Ohtomo;Takeyoshi Onuma

508
Citations
High Mobility Thin Film Transistors with Transparent ZnO Channels.

Junya Nishii;Faruque M. Hossain;Faruque M. Hossain;Shingo Takagi;Shingo Takagi;Tetsuya Aita

400
Citations
Modeling and simulation of polycrystalline ZnO thin-film transistors

Faruque M. Hossain;J. Nishii;S. Takagi;A. Ohtomo

390
Citations
Observation of the fractional quantum Hall effect in an oxide

A. Tsukazaki;A. Tsukazaki;S. Akasaka;K. Nakahara;Y. Ohno

375
Citations
Single crystalline ZnO films grown on lattice-matched ScAlMgO4(0001) substrates

A. Ohtomo;K. Tamura;K. Saikusa;K. Takahashi

366
Citations
Room-temperature stimulated emission of excitons in ZnO/(Mg, Zn)O superlattices

A. Ohtomo;K. Tamura;M. Kawasaki;T. Makino

328
Citations
Growth of ZnO Thin Film by Laser MBE: Lasing of Exciton at Room Temperature.

Y. Segawa;A. Ohtomo;M. Kawasaki;H. Koinuma

309
Citations
Room-temperature luminescence of excitons in ZnO/(Mg, Zn)O multiple quantum wells on lattice-matched substrates

T. Makino;C. H. Chia;Nguen T. Tuan;H. D. Sun

308
Citations