left: hydrogen plasma in which diamond is synthesized, center:
the hydrogen-terminated surface of diamond, right: an atomic force microscopy image of atomically flat diamond surface

Contact

YAMAGUCHI Takahide

National Institute for Materials Science
1-1 Namiki, Tsukuba, Ibaraki 305-0044 Japan

Phone: +81-29-860-4885

Welcome!

We are carrying out research on fundamental electrical properties of diamond and its potential applications.

News

Jun. 2021
Dr. Yosuke Sasama received the Gold Young Scholar Award at 14th International Conference on New Diamond and Nano Carbons 2020/2021.

Mar. 2021
Dr. Yosuke Sasama received the Excellent Poster Presentation Award at MANA International Symposium 2021.

May 2020
An original paper "Charge-carrier mobility in hydrogen-terminated diamond field-effect transistors" was published in Journal of Applied Physics 127, 185707 (2020). (Editor's Pick)

Dec. 2019
An original paper "Quantum oscillations in diamond field-effect transistors with a h-BN gate dielectric" was published in Physical Review Materials 3, 121601(R) (2019).

May 2019
Mr. Yosuke Sasama, a PhD student in our group, received the Excellent Presentation Award at The 32th Diamond Symposium.

Nov. 2018
An original paper "High-mobility diamond field effect transistor with a monocrystalline h-BN gate dielectric" was published in APL Materials 6, 111105 (2018). (Featured Article)

Oct. 2018
An original paper "Ionic-liquid-gating setup for stable measurements and reduced electronic inhomogeneity at low temperatures" was published in Review of Scientific Instruments 89, 103903 (2018).

Sep. 2018
Mr. Yosuke Sasama, a PhD student in our group, received the Elsevier Gold Young Scholar Award at The 29th International Conference on Diamond and Carbon Materials. (photo)

Sep. 2017
Mr. Yosuke Sasama, a PhD student in our group, received the Best Poster Award at Tsukuba Global Science Week (TGSW) 2017.

Dec. 2016
An original paper "Transport Properties of Hydrogen-Terminated Silicon Surface Controlled by Ionic-Liquid Gating" was published in J. Phys. Soc. Jpn. 86, 014703 (2017)

Oct. 2016
An original paper "Spin-induced anomalous magnetoresistance at the (100) surface of hydrogen-terminated diamond" was published in Physical Review B 94, 161301(R) (2016)