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【論文発表】Unveiling the Significant Role of Schottky Interfaces for Threshold Voltage in Ovonic Threshold Switching セレクタデバイスに用いられるアモルファスカルコゲナイドと、金属電極の界面におけるショットキーバリアの役割についての論文を発表しました。産業技術総合研究所と慶應義塾大学との共同研究です。Shogo Hatayama, Keisuke Hamano, Yi Shuang, Mihyeon Kim, Paul Fons, and Yuta Saito, ACS Applied Electronic Materials, 7, 2650 (2025). 論文リンク

論文発表

【論文発表】Thermally stable Bi2Te3/WSe2 Van Der Waals contacts for pMOSFETs application Wen Hsin Chang, Shogo Hatayama, Yuta Saito, Naoya Okada, Takahiko Endo, Yasumitsu Miyata, and Toshifumi Irisawa, Scientific Reports, 14, 28572 2024). https://www.nature.com/articles/s41598-024-79750-z

論文発表

【論文発表】Soret-Effect Induced Phase-Change in a Chromium Nitride Semiconductor Film Yi Shuang, Shunsuke Mori, Takuya Yamamoto, Shogo Hatayama, Yuta Saito, Paul J. Fons, Yun-Heub Song, Jin-Pyo Hong, Daisuke Ando, and Yuji Sutou, ACS Nano, 18, 21135-21143 (2024). https://pubs.acs.org/doi/10.1021/acsnano.4c03574

論文発表

【論文発表】Amorphous-to-crystalline transition-induced two-step thin film growth of a quasi-one-dimensional penta-telluride ZrTe5 Yi Shuang, Yuta Saito, Shogo Hatayama, Paul Fons, Ando Daisuke, and Yuji Sutou, Journal of Materials Science & Technology, 210, 246-253 (2025). https://www.sciencedirect.com/science/article/pii/S1005030224006182

論文発表

【論文発表】Interfacial reaction behavior between ferromagnetic CoFeB and the topological insulator Sb2Te3 Misako Morota, Shogo Hatayama, Yi Shuang, Shunsuke Mori, Yuji Sutou, Paul Fons, and Yuta Saito, Surfaces and Interfaces, 51, 104486 (2024). https://www.sciencedirect.com/science/article/pii/S2468023024006436

論文発表

【論文発表】Phase-change behavior of RuSbTe thin film for photonic appli- cations with amplitude-only modulation Shogo Hatayama, Kotaro Makino, and Yuta Saito, Scientific Reports, 14, 8839 (2024). https://www.nature.com/articles/s41598-024-59235-9

論文発表

【論文発表】Electrical properties and band alignments of Sb2Te3/Si heterojunctions; low-barrier Sb2Te3/n-Si and high-barrier Sb2Te3/p-Si junctions Naoya Okada, Wen Hsin Chang, Shogo Hatayama, Yuta Saito, and Toshifumi Irisawa, Applied Physics Express, 17, 036503 (2024). https://iopscience.iop.org/article/10.35848/1882-0786/ad2d75

論文発表

【論文発表】Modified electronic structure of amorphous Mn-Si-Te for OTS application: Improved thermal stability by the formation of Mn-Te bonding Kentaro Saito, Shogo Hatayama, and Yuta Saito, Physica Status Solidi Rapid Research Letters, 18, 2300474 (2024). https://doi.org/10.1002/pssr.202300474

論文発表

【論文発表】Coherent optical response driven by non-equilibrium electron–phonon dynamics in a layered transition-metal dichalcogenide Takumi Fukuda, Kotaro Makino, Yuta Saito, Paul Fons, Atsushi Ando, Takuya Mori, Ryo Ishikawa, Keiji Ueno, Jessica Afalla, and Muneaki Hase, “Coherent optical response driven by non-equilibrium electron–phonon dynamics in a layered transition-metal dichalcogenide”, APL Materials, 12, 021102 (2024). https://doi.org/10.1063/5.0188537

論文発表

【論文発表】Nonvolatile Isomorphic Valence Transition in SmTe Films Shogo Hatayama, Shunsuke Mori, Yuta Saito, Paul J. Fons, Yi Shuang, and Yuji Sutou, “Nonvolatile Isomorphic Valence Transition in SmTe Films”, ACS Nano, 18, 2972 (2024). https://pubs.acs.org/doi/10.1021/acsnano.3c07960

論文発表