先端電子顕微鏡の結像理論の構築と手法開発を行っています。また開発した手法の材料への応用研究も同時に進めています。

• 超高感度電子顕微鏡法の開発
• 原子分解能電子顕微鏡の自動化技術開発
• 原子振動イメージング法の開発
• 電子線敏感材料の原子構造解析
• 直接観察と理論計算に基づく鉄粒界の非整合原子構造解析
• 磁性材料の局所磁気構造・特性解析

1. K. Tabata, T. Seki, S.D. Findlay, R. Ishikawa, R. Tamura, Y. Ikuhara, N. Shibata, “Direct imaging of atomic rattling motion in a clathrate compound”, Small Sci. 4 (2024).
2. T. Seki, T. Futazuka, N. Morishige, R. Matsubara, Y. Ikuhara, N. Shibata,“Incommensurate grain-boundary atomic structure,” Nature Comm. 14, 7806 (2023).
3. K. Ooe, T. Seki, K. Yoshida, Y. Kohno, Y. Ikuhara, N. Shibata, “Direct imaging of local atomic structures in zeolite using novel low-dose scanning transmission electron microscopy,”Sci. Adv. 9, eadf6865 (2023).
4. S. Toyama, T. Seki, Y. Kanitani, Y. Kudo, S. Tomiya, Y. Ikuhara, N. Shibata,“Real-space observation of a two-dimensional electron gas at semiconductor heterointerfaces,” Nature Nanotech., 18, 521-528 (2023).
5. Y. Kohno, T. Seki, S.D. Findlay, Y. Ikuhara and N. Shibata,“Real-space visualization of intrinsic magnetic field of an antiferromagnet,”Nature 602, 234-239 (2022).
6. N. Shibata, T. Seki, G. Sánchez-Santolino, S.D. Findlay, Y. Kohno, T. Matsumoto, R. Ishikawa and Y. Ikuhara, “Electric field imaging of single atoms,”Nature Comm. 8, 15631 (2017).