Young Researcher Paper Award of IWGO 2024
2024.5.31
The paper “Characterization of (100) β-(ScxGa1−x)2O3 / β-Ga2O3 heterostructures grown by pulsed-laser deposition” by Mr. Koreishi has been selected for the Young Researcher Paper Award of IWGO 2024 held at Belrin.
https://grafox2022.pdi-berlin.de/iwgo-2024/

Kohei Yoshimatsu has became an associate professor
August 1, 2023
Kohei Yoshimatsu has became an associate professor.
Paper Award of the JSAP Superconductors Division
2023.3.24
The paper “p-type transparent superconductivity in a layered oxide” by Assist. Prof. Soma, former Assist. Prof. Yoshimatsu (currently lecturer at Tohoku Univ.), and Prof. Ohtomo has been selected for the 14th Paper Award of the Japan Society of Applied Physics Superconductors Division.
https://annex.jsap.or.jp/support/division/super/commendation.html
A highlighted paper: JJAP 2022 Spotlights
2022.10.10
A paper published by our graduate student Mr. Uchida (2022 Ms. Eng.) as the first author and Assistant Professor Dr. Soma as the corresponding author has been selected for the 2022 Spotlights of the Japanese Journal of Applied Physics. The Japanese Journal of Applied Physics is an international journal of the Japan Society of Applied Physics (IOP Publishing), in which members of our laboratory regularly participate. The role of Spotlights is to “select and suggest a small number of articles with a high potential for capturing the interest of researchers in the applied physics community.” Access is free upon the selection, so if you are interested, please take a look.
Japanese Journal of Applied Physics/Spotlights
Enhancement of transparency in epitaxially-grown p-type SnO films by surface-passivation treatment in a Na2S aqueous solution
Welcome to Ohtomo lab: New member joins us
April 8, 2020
Mr. Zhou Weiqi, Mr. Yuta Yamagishi, Ms. Mashiro Ogawa, Mr. Kazuki Koreishi, Mr. Yuki Honda and Mr. Yuma Yoshida has joined us. (^_^)
Trip to Ishikawa (Kaga and Kanazawa)
May 18, 2020
We had a wonderful time with winter trip to Ishikawa (Kaga and Kanazawa) on February 21-22.
Welcome to Ohtomo lab: New member joins us
April 8, 2020
Mr. Yuta Ihara, Mr. Cao Ziyang, Mr. Suguri Uchida, Ms. Aya Sato and Mr. Ryuuki Nanno has joined us. (^_^)
Welcome to Ohtomo lab: New member joins us
October 18, 2019
Ms. Zhang Nan has joined us. (^_^)
Takuto Soma has became an assistant professor
October 1, 2019
Takuto Soma has became an assistant professor.
Welcome to Ohtomo lab: New members join us
April 9, 2019
The following undergraduate students have joined us. (^_^)
Kouhei Aoyama, Daichi Sato, Zhang Shutong.
International Collaboration on Magnetic Materials Research
Mar. 19, 2019
Dr. Ramchandra Sahoo, postdoc at Indian Institutes of Technology Kanpur, joined us for three weeks and conducted experiments with us on magnetic materials research. We all are looking forward to seeing you again in near future. Thank you!
Trip to Atami
Mar. 5, 2019
We had a wonderful time with winter trip to Atami on February 14-15.
Goodbye and thank you to Dr. Yoshimatsu
Octorber 1, 2018
Dr. Yoshimatsu has been assigned as a lecturer at Tohoku University. We wish him the best of luck at Tohoku University!
Welcome to Ohtomo lab: New member joins us
September 25, 2018
Ms. Zhang Shuxin has joined us. (^_^)
Top 25 highly accessed physics articles in 2017
April 27, 2018
Top 100 in Physics
Welcome to Ohtomo lab: New members join us
April 5, 2018
The following undergraduate students have joined us. (^_^)
Kaisei Kamei, Takumi Saito, Yu Takeuchi, Ryoichiro Hayasi, Ryo Yokoyama.
Congratulations to Takuto for winning the Poster Award at JSAP Spring Meeting!
March 19, 2018
Congratulations to Takuto Soma for winning a poster award at the 65th JSAP Spring Meeting! He presented ” Impact of hole-doping on metal-insulator transition in β-pyrochlore-type CsW2O6” .
Ski trip to Nagano
Feb. 26, 2018
We had a wonderful time with ski trip to Nagano on February 22-23.
Internship abroad for accelerating doctor thesis research
October 4, 2017
Ryo Wakabayashi joined Prof. Roberto Fornari’s group at University of Parma in Italy for two weeks and conducted experiments related to doctor thesis research.
Discovery of superconductivity in titanium oxides
October 3, 2017
Superconductivity in Ti4O7 and γ-Ti3O5 films
K. Yoshimatsu, O. Sakata & A. Ohtomo
Scientific Reports 7, 12544 (5 pages) (2017).
STAC-10 Poster Prize
August 3, 2017
Congratulation to Takuto Soma on winning a poster prize at The Tenth International Conference on the Science and Technology for Advanced Ceramics (STAC-10)!
Poster presentations at STAC-10
August 1, 2017
Takuro and Junya presented posters at The Tenth International Conference on the Science and Technology for Advanced Ceramics (STAC-10) in Yokohama.
♣ Junya Ishimaru:Epitaxial growth and physical properties of La2CrMnO6 double-perovskite films,
♠ Takuto Soma:Eletrochemical modulation of electronic states for tungsten oxides epitaxial films,
Prof. Ohtomo gives an invited talk at ACCGE-21
August 1, 2017
Prof. Ohtomo presents an invited talk titled “Epitaxial growth of low valence transition – Metal oxides exhibiting novel electronic states” at the 21st American Conference on Crystal Growthand Epitaxy (ACCGE-21) in Symposium on Epitaxy of Complex Oxides held in Santa Fe, New Mexico, USA.
Welcome new lab members!
April 5, 2017
Welcome to Jung-Soo Lee, graduate student, Tomohiro Kobayashi, Yutaro Noguchi and Tatsuya Yajima, undergrad. students!
Two papers regarding tungsten oxides have been published in Applied Physics Express Vol.9 (article numbers: 075801 & 075802).
June 27, 2016
Our latest 2 papers regarding tungsten oxides appeared in Applied Physics Epress No. 9 in a row!
K. Yoshimatsu, T. Soma, & A. Ohtomo
Applied Physics Express, 9, 075802 (4 pages) (2016).
T. Soma, K. Yoshimatsu, & A. Ohtomo
Applied Physics Express, 9, 075801 (3 pages) (2016).
3 new undergrad students joined us
April 4, 2016
A warm welcome to Hiroshi Kurihara, Akito Nishi and Jun Mizushiro.
Goodbye and thank you to Dr. Oshima
February 1, 2016
Dr. Oshima has been assigned as a project assistant professor at Saga University. We wish you the best of luck at Saga University!
Congratulations to Dr. Oshima on winning the 8th Inoue Science Research Award!
December 9, 2015
Dr. Oshima will be awarded the 8th Inoue Science Research Award for his outsntanding research on “Pioneering research on gallium-oxide-based semiconductor for future hetero-junction devices”.
☆ The 8th Inoue Science Research Award
Congratulations to Dr. Yoshimatsu and Tetsuya on winning the 39th JPAP’s Outstanding Achievement Presentation Awards!
November 18, 2015
Dr. Yoshimatsu’s presentation “Superconductivity of ɤ -Ti3O5 films” and Tetsuya Kudoh’s “Electric properties of ZnO graphoepitaxial films” have been selected by JPAP to receive the 39th Outstanding Achievement Presentation Award.
☆ the 39th JPAP’s Outstanding Achievement Presentation Awards
Prof. Ohtomo won Funai Prize for Science and Technology
April 13, 2013
Funai Prize for Science and Technology is a prize awarded by Funai Foundation for Information Technology (FFIT) to those (younger than 40) who contribute remarkable developments in the field of information science and technology.
Prize ceremony was held on April 13 2013 at Funai Tetsuro Auditorium in Katsura Campus of Kyoto University.
☆ FFIT
Welcome to Ohtomo lab: A new member joins us
April 8, 2013
Dr. Kohei Yoshimatsu has joined us as an assistant professor.
The following undergraduate students has joined too.
Mr. Kazuki Ohashi, Mr. Takayuki Suzuki, Mr. Keitaro Matsuyama, Mr. Ryo Wakabayashi, and Mr. Keisuke Watarai.
JSPS prize ceremony at The Japan Academy
February 4, 2013
JSPS prize ceremony has been held at the Japan Academy (Ueno, Tokyo) in the very presence of Her Imperial Highness Princess Akishino.

☆ The 9th JSPS Prize
☆ The 9th FY2012 JSPS Prize Awardees
Prof. Ohtomo won JSPS Prize
December 17, 2012
JSPS prize ceremony will be held in February 2013 at the Japan Academy.
☆ JSPS
★ FY2012 JSPS Prize Awardees
A new project has begun:
September 5, 2012
Tokyo Institute of Technology has been selected as the electronic materials devision of “MEXT Elements Strategy Initiative to Form Core Research Center”.
Under supervision of Prof. Hideo Hosono, we will carry on developing novel inorganic materials.
The research term is from August 1, 2012 till 2022.
Welcome to Ohtomo lab: New members join us
April 5, 2012
Two graduate students, Mr. Okabe and Mr. Nogami, and four undergraduate students, Mr. Kaminaga, Mr. Kudo, Mr. Takanaka and Ms. Niwa have just joined us.
Mr. Wei Liu, who has graduated from East China University of Science And Technology China, has also joined as a research student.
A new project has begun:
Research and Development Program for Innovative Energy and Efficiency Technology of the 2011 fiscal year (NEDO).
April 4, 2012
A new project of “Research and development of extremely-large-breakdown-voltage Ga2O3-based power devices” has approved to continue through intermediate evaluation of the half-year-term preliminary research in the last year.
This project is a corroborative work among Kyoto University, Tokyo Institute of Technology, National Institute of Information Communications Technology, Tamura Co. Ltd., and Koha Co. Lt
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