基礎物理と
先端技術で
未来デバイスを創出 

1. Marlis N Agusutrisno*, Sora Obinata, Takamasa Okumura, Kunihiro Kamataki, Naho Itagaki, Kazunori Koga, Masaharu Shiratani, Naoto Yamashita, ”Large-scale fabrication of thulium iron garnet film with perpendicular magnetic anisotropy using RF magnetron sputtering”, Japanese Journal of Applied Physics 63, 07SP06 (2024).

2. ⭐Marlis N Agusutrisno*, Takamasa Okumura, Kunihiro Kamataki, Naho Itagaki, Kazunori Koga, Masaharu Shiratani, Naoto Yamashita, ”Effect of nanoscale inhomogeneity on blocking temperature of ZnO:Co films fabricated by using nitrogen-mediated crystallization”, MRS Advances (2024).

3. ⭐Marlis Nurut Agusutrisno, Christopher H. Marrows, Kunihiro Kamataki, Takamasa Okumura, Naho Itagaki, Kazunori Koga, Masaharu Shiratani, Naoto Yamashita*, ”On-axis sputtering fabrication of Tm3Fe5O12 film with perpendicular magnetic anisotropy”, Thin Solid Films 788, 140176 (2024). Open access.

4. M. N. Agusutrisno*, Ryota Narishige, Kunihiro Kamataki, Takamasa Okumura, Naho Itagaki, Kazunori Koga, Masaharu Shiratani, Naoto Yamashita, ”Control of inhomogeneity and magnetic properties of ZnO:Co films grown by magnetron sputtering using nitrogen”, Materials Science in Semiconductor Processing 162, 107503 (2023).

5. ⭐N. Yamashita*, R. Mitsuishi, Y. Nakamura, K. Takeda, M. Hori, K. Kamataki, T. Okumura, K. Koga, and M. Shiratani, ”Role of insoluble atoms in the formation of a three-dimensional buffer layer in inverted Stranski-Krastanov mode”, Journal of Materials Research (2023), Invited paper.

6. Ryota Narishige*, Naoto Yamashita, Kunihiro Kamataki, Takamasa Okumura, Kazunori Koga, Masaharu Shiratani, Hisato Yabuta, Naho Itagaki, ”Effects of substrate surface polarity on heteroepitaxial growth of pseudobinary ZnO–InN alloy films on ZnO substrates”, Journal of Materials Research (2022), Invited paper.

7. ⭐N. Yamashita, E. Shigematsu, S. Honda, R. Ohshima, M. Shiraishi, and Y. Ando*, "Realization of efficient tuning of the Fermi level in iron-based ferrimagnetic alloys", Physical Review Materials 6, 104405 (2022). Highlight in Physics

8. Yuta Nakamura$, Naoto Yamashita*$, Kunihiro Kamataki, Takamasa Okumura, Kazunori Koga, Masaharu Shiratani and Naho Itagaki* ($: these authors contributed equally to this study), “Growth of single crystalline ZnO films on 18%-lattice-mismatched sapphire substrates using buffer layers with three-dimensional islands”, Crystal Growth & Design 22, 6, 3770-3777 (2022).

9. D. Takahashi*, N. Yamashita, D. Yamashita, K. Okumura, K. Kamataki, K. Koga, M. Shiratani and N. Itagaki, “Epitaxial growth of Zn1−xMgxO films on sapphire substrates via inverted Stranski-Krastanov mode using magnetron sputtering”, MRS Advances (2022).

10. S. Lee, H. Koike, M. Goto, S. Miwa, Y. Suzuki, N. Yamashita, R. Ohshima, E. Shigematsu, Y. Ando and M. Shiraishi*, "Synthetic Rashba spin-orbit system using a silicon metal-oxide semiconductor", Nature Materials 20, 1228 (2021).

11. N. Yamashita*, S. Lee, R. Ohshima, E. Shigematsu, H. Koike, Y. Suzuki, S. Miwa, M. Goto, Y. Ando and M. Shiraishi, "Investigation of the thermal tolerance of silicon-based lateral spin valves", Scientific Reports 11, 10583 (2021).

12. N. Yamashita*, S. Lee, R. Ohshima, E. Shigematsu, H. Koike, Y. Suzuki, S. Miwa, M. Goto, Y. Ando and M. Shiraishi, "Enhancement of spin signals by thermal annealing in silicon-based lateral spin valves", AIP Advances 10, 095021 (2020). Editor’s Pick.

13. ⭐Naoto Yamashita, Yuichiro Ando, Hayato Koike,Shinji Miwa, Yoshishige Suzuki, and Masashi Shiraishi*, "Thermally Generated Spin Signals in a Nondegenerate Silicon Spin Valve", Physical Review Applied 9, 054002 (2018).

14. S. Lee, N. Yamashita, Y. Ando*, S. Miwa, Y. Suzuki, H. Koike and M. Shiraishi*, "Investigation of spin scattering mechanism in silicon channel of Fe/MgO/Si lateral spin valves", Applied Physics Letters 110, 192401 (2017).

2025-02-21 【講演予定】卒業研究説明会（九州大学工学部電気情報工学科主催）　3月3日(月) 11:40-11:50 総合学習プラザ２階大講義室 

2025-02-07 OIST-Kyudai workshopに参加し、スピントロニクスの量子デバイス応用についてディスカッションしました。

2025-01-01 研究室発足