Sep. 2024 Mr. Iwane, Mr. Shimono, and Mr. Fuchiwaki from National Institute of Technology, Kumamoto College, stayed for a collaborative research.
Sep. 2024 Mr. Tamura from National Institute of Technology, Ube College, carried out an internship.
Aug. 2024 Our paper on "Self-aligned gate electrode for hydrogen-terminated diamond field-effect transistors with a hexagonal boron nitride gate insulator" has been published in Applied Physics Letters.
Jul. 2024 Our paper on "Surface transfer doping of hydrogen-terminated diamond probed by shallow nitrogen-vacancy centers" has been published in Carbon.
Mar. 2024 Our paper "Spin-State Control of Shallow Single NV Centers in Hydrogen-Terminated Diamond" was published in ACS Applied Materials & Interfaces.
Sep. 2023 Mr. Sakai and Mr. Mitsunaga from National Institute of Technology, Kumamoto College carried out an internship.
Apr. 2023 We are looking for a postdoc to work on diamond-based devices. For more information please visit Recruit Information.
Sep. 2022 Mr. Urakami and Mr. Ohta from National Institute of Technology, Kumamoto College carried out an internship for a month. They successfully made diamond field-effect transistors.
Dec. 2021 Our paper entitled "High-mobility p-channel wide-bandgap transistors based on hydrogen-terminated diamond/hexagonal boron nitride heterostructures" was published in Nature Electronics (SharedIt view-only PDF).
Nov. 2021 Dr. Yosuke Sasama received the Young Scientist Presentation Award at 51th Autumn Meeting of the Japan Society of Applied Physics.
May 2020 Our paper entitled "Charge-carrier mobility in hydrogen-terminated diamond field-effect transistors" was published in Journal of Applied Physics 127, 185707 (2020). (Editor's Pick)
May 2019 Mr. Yosuke Sasama, a PhD student in our group, received the Excellent Presentation Award at The 32th Diamond Symposium.
Nov. 2018 Our paper entitled "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 Our paper entitled "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)
Dec. 2016 Our paper entitled "Transport Properties of Hydrogen-Terminated Silicon Surface Controlled by Ionic-Liquid Gating" was published in J. Phys. Soc. Jpn. 86, 014703 (2017)
Oct. 2016 Our paper entitled "Spin-induced anomalous magnetoresistance at the (100) surface of hydrogen-terminated diamond" was published in Physical Review B 94, 161301(R) (2016)
