Hiroshi Sampei's Web

4. Quantum Computer Application for Next-Generation Carbon-Neutral Fuels,
Hiroshi Sampei, Curtin University and Waseda University Collaborative Symposium, Tokyo (Japan), October 2024.

3. Development in the Analytical Method of Nanosheet Material by Fourier Transformation using Quantum Computer,
Hiroshi Sampei, The 3^rd HYU-WSU Joint Workshop on Energy & Environmental Chemistry, Seoul (South Korea), April 2024.

2. Governing factors of protonation properties of Keggin-polyoxometalate and its application scope,
Hiroshi Sampei, The 2^nd HYU-WSU Joint Workshop on Energy & Environmental Chemistry, Tokyo (Japan), July 2023.

1. Fast and accurate adsorption configuration exploring method using quantum annealing principle,
Hiroshi Sampei, The 1^st HYU-WSU Joint Workshop on Energy & Environmental Chemistry, Seoul (South Korea), February 2023.

2. Fast search of stable molecular arrangement by the annealing technique,
Hiroshi Sampei, Koki Saegusa, Kenshin Chishima, Takuma Higo, Shu Tanaka, Yoshihiro Yayama, Makoto Nakamura, Koichi Kimura and Yasushi Sekine,
The 10^th Asia-Pacific Congress on Catalysis (APCAT-10), Singapore (Singapore), August 2025.

1. Controlling surface hydrogen and its utilization for low temperature ammonia synthesis,
Hiroshi Sampei, Kota Murakami, Atsushi Ishikawa, Takuma Higo, Hideaki Tsuneki, Hiromi Nakai, Yasushi Sekine,
The 12^th International Conference on Environmental Catalysis (ICEC2022), Osaka (Japan), July-August 2022.

10. Ethylene production and CO₂ splitting via a chemical looping system utilizing lattice oxygen of redox-enhanced In₂O₃,
Kosuke Watanabe, Takuma Higo, Koki Saegusa, Sakura Matsumoto, Hiroshi Sampei, Yuki Isono, Akira Shimojuku, Hideki Furusawa and Yasushi Sekine,
EuropaCat 2025-16^th European Congress on Catalysis, Trondheim (Norway), August-September 2025.

9. Hydrogen production by NH₃ decomposition at low temperatures assisted by surface protonics,
Yukino Ofuchi, Kenta Mitarai, Sae Doi, Koki Saegusa, Mio Hayashi, Hiroshi Sampei, Takuma Higo and Yasushi Sekine*,
EuropaCat 2025-16^th European Congress on Catalysis, Trondheim (Norway), August-September 2025.

8. Hydrogen production by NH₃ decomposition at low temperatures assisted by surface protonics,
Mio Hayashi, Yukino Ofuchi, Kenta Mitarai, Sae Doi, Koki Saegusa, Hiroshi Sampei, Takuma Higo and Yasushi Sekine,
The 10^th Asia-Pacific Congress on Catalysis (APCAT-10), Singapore (Singapore), August 2025.

7. Chemical looping oxidative dehydrogenation of ethane combined with CO₂ splitting on promoted In₂O₃ oxygen carrier,
Kosuke Watanabe, Takuma Higo, Koki Saegusa, Sakura Matsumoto, Hiroshi Sampei, Yuki Isono, Akira Shimojuku, Hideki Furusawa and Yasushi Sekine,
The 10^th Asia-Pacific Congress on Catalysis (APCAT-10), Singapore (Singapore), August 2025.

6. Oxidative dehydrogenation of ethane combined with CO₂ splitting via chemical looping technique utilising redox of In₂O₃,
Kosuke Watanabe, Takuma Higo, Koki Saegusa, Sakura Matsumoto, Hiroshi Sampei, Yuki Isono, Akira Shimojuku, Hideki Furusawa, Yasushi Sekine,
The 13^th International Conference on Environmental Catalysis (ICEC2025), Sicily (Italia), June 2025.

5. Quantum Annealing Boosts Prediction of High-coverage Adsorption on the Catalyst Surface,
Koki Saegusa, Hiroshi Sampei, Kenshin Chishima, Takuma Higo, Makoto Nakamura, Koichi Kimura, Yasushi Sekine,
The 20^th Japan-Korea Symposium on Catalysis (20JKSC), Yonago (Japan), May 2025.

4. Utilization of In₂O₃sub> Bulk Redox for Ethylene Formation Combined with CO₂sub> Splitting via Chemical Looping,
Kosuke Watanabe, Takuma Higo, Koki Saegusa, Sakura Matsumoto, Hiroshi Sampei, Yuki Isono, Akira Shimojuku, Hideki Furusawa, Yasushi Sekine,
The 20^th Japan-Korea Symposium on Catalysis (20JKSC), Yonago (Japan), May 2025.

3. Efficient Acetic Acid Synthesis Pathway Exploration on Rh Surface and Rh/Metal Oxide Interface,
Kenshin Chishima, Takumi Masuda, Hiroshi Sampei, Koki Saegusa, Sakuya Hattori, Yoshihiro Yayama, Yasushi Sekine,
The 20^th Japan-Korea Symposium on Catalysis (20JKSC), Yonago (Japan), May 2025.

2. Theoretical Study of the Control of CO₂ Capture by the Application of an Electric Field,
Koki Saegusa, Kenshin Chishima, Hiroshi Sampei, Jeong Gil Seo, Yasushi Sekine,
13^th Natural Gas Conversion Symposium, Amoy (China), April 2024.

1. Equilibrium unconstrained low-temperature CO₂ conversion on doped gallium oxides by chemical looping,
Keke Kang, Souta Kakihara, Takuma Higo, Hiroshi Sampei, Koki Saegusa, Yasushi Sekine,
13^th Natural Gas Conversion Symposium, Amoy (China), April 2024.

6. Accurate high-coverage surface modeling with annealing technology,
Hiroshi Sampei, Koki Saegusa, Kenshin Chishima, Takuma Higo, Shu Tanaka, Yoshihiro Yayama, Makoto Nakamura, Koichi Kimura and Yasushi Sekine,
EuropaCat 2025-16^th European Congress on Catalysis, Trondheim (Norway), August-September 2025.

5. Prediction of high coverage adsorption on catalyst surfaces by digital annealing techniques,
Hiroshi Sampei, Koki Saegusa, Kenshin Chishima, Takuma Higo, Yasushi Sekine,
18^th International Congress on Catalysis (18^th ICC), Lyon (France), July 2024.

4. High coverage surface modelling of CO with annealing technology,
Hiroshi Sampei, Koki Saegusa, Kenshin Chishima, Takuma Higo, Shu Tanaka, Yoshihiro Yayama, Makoto Nakamura, Koichi Kimura, Yasushi Sekine,
International Symposium on Catalytic Chemistry of C1 Molecules, Lille (France), July 2024.

3. Quantum Annealing Inspired Fast and Accurate Search for Multi-Molecular Adsorption Configurations,
Hiroshi Sampei, Koki Saegusa, Kenshin Chishima, Takuma Higo, Shu Tanaka, Yoshihiro Yayama, Makoto Nakamura, Koichi Kimura, Yasushi Sekine,
The 19^th Korea-Japan Symposium on Catalysis (19KJSC), Seoul (Korea), May 2023.

2. Governing factors on surface hydrogen over heterocation-doped CeO₂,
Hiroshi Sampei, Kota Murakami, Atsushi Ishikawa, Takuma Higo, Hideaki Tsuneki, Hiromi Nakai, Yasushi Sekine,
The 9^th Tokyo Conference on Advanced Catalytic Science and Technology (TOCAT9), Fukuoka (Japan), July 2022. (poster + short oral)

1. A controlling factor of hydrogen atom adsorption over doped CeO₂,
Hiroshi Sampei, Kota Murakami, Yuta Mizutani, Atsushi Ishikawa, Takuma Higo, Hideaki Tsuneki, Hiromi Nakai, Yasushi Sekine,
The 18^th Japan-Korea Symposium on Catalysis (18JKSC), Online conference, November 2021.

22. Role of Strong Metal-Support Interaction in the Selective Hydrogenation of 4-Chloronitrobenzene,
Hiromu Akiyama, Koki Saegusa, Hiroshi Sampei, Kyogo Maeda, Toshiyuki Watanabe, Shigeru Kado, Hiromi Nakai and Yasushi Sekine,
EuropaCat 2025-16^th European Congress on Catalysis, Trondheim (Norway), August-September 2025.

21. Efficient search for acetic acid synthesis pathway based on the bond disconnection process on Rh surface and Rh/metal oxide interface,
Kenshin Chishima, Takumi Masuda, Hiroshi Sampei, Koki Saegusa, Sakuya Hattori and Yasushi Sekine,
EuropaCat 2025-16^th European Congress on Catalysis, Trondheim (Norway), August-September 2025.

20. Electric Field-Controlled CO₂ Capture on Doped-CeO₂,
Koki Saegusa, Kenshin Chishima, Hiroshi Sampei, Jeong Gil Seo and Yasushi Sekine,
EuropaCat 2025-16^th European Congress on Catalysis, Trondheim (Norway), August-September 2025.

19. Effect of CeO₂ Support with Controlled Crystallinity on the Ammonia Synthesis Reaction in an Electric Field,
Reika Nakayama, Ryuku Maeda, Hiroshi Sampei, Yoshiki Koshizuka, Takuma Higo, Yoshiro Bando, Tasuku Komanoya, Yunosuke Nakahara and Yasushi Sekine,
The 10^th Asia-Pacific Congress on Catalysis (APCAT-10), Singapore (Singapore), August 2025.

18. Multidimensional Quantum Fourier Transform for Nanosheet Material Evaluation by Electron Microscopy,
Tetsuya Mizuguchi, Hiroshi Sampei, Makoto Nakamura, Koichi Kimura and Yasushi Sekine,
The 10^th Asia-Pacific Congress on Catalysis (APCAT-10), Singapore (Singapore), August 2025.

17. Theoretical Design of CeO₂-Based Materials for Enhanced RWGS-CL Performance,
Koki Saegusa, Takuma Higo, Shuhei Ishizaki, Sota Kakihara, Hiroshi Sampei, Yasushi Sekine,
The 13^th International Conference on Environmental Catalysis (ICEC2025), Sicily (Italia), June 2025.

16. Efficient search for acetic acid synthesis pathway based on the bond disconnection process on Rh surface and Rh/metal oxide interface,
Kenshin Chishima, Takumi Masuda, Hiroshi Sampei, Koki Saegusa, Sakuya Hattori, Yasushi Sekine,
The 13^th International Conference on Environmental Catalysis (ICEC2025), Sicily (Italia), June 2025.

15. Selective Hydrogenation of 4-Chloronitrobenzene Using Strong Metal-Support Interaction,
Hiromu Akiyama, Koki Saegusa, Hiroshi Sampei, Kyogo Maeda, Toshiyuki Watanabe, Shigeru Kado, Hiromi Nakai, Yasushi Sekine,
The 20^th Japan-Korea Symposium on Catalysis (20JKSC), Yonago (Japan), May 2025. (poster + short oral)

14. Theoretical investigation of Keggin-type polyoxometalates in response to external stimuli,
Hiromu Akiyama, Hiroshi Sampei, Masahiro Yamaguchi, Chinami Takashima, Hiromi Nakai, Shuhei Ogo, Tadaharu Ueda, Yasushi Sekine,
18^th International Congress on Catalysis (18th ICC), Lyon (France), July 2024.

13. Chemical looping oxidative dehydrogenation of ethane with CO₂ utilization at low temperatures over In₂O₃-based oxygen carriers,
Kosuke Watanabe, Takuma Higo, Koki Saegusa, Hiroshi Sampei, Yuki Isono, Akira Shimojuku, Hideki Furusawa, Yasushi Sekine,
18^th International Congress on Catalysis (18th ICC), Lyon (France), July 2024.

12. Controlled CO₂ adsorption and desorption by applying an electric field to solid oxides,
Koki Saegusa, Kenshin Chishima, Hiroshi Sampei, Jeong Gil Seo, Yasushi Sekine,
18^th International Congress on Catalysis (18th ICC), Lyon (France), July 2024.

11. Low-temperature CO₂ conversion on doped gallium oxides by chemical looping,
Keke Kang, Sota Kakihara, Takuma Higo, Hiroshi Sampei, Koki Saegusa, Yasushi Sekine,
18^th International Congress on Catalysis (18th ICC), Lyon (France), July 2024.

10. Efficient search for acetic acid synthesis pathway from C1 based on the bond disconnection process on Rh surface and Rh/metal oxide interface,
Kenshin Chishima, Takumi Masuda, Hiroshi Sampei, Koki Saegusa, Sakuya Hattori, Yasushi Sekine,
International Symposium on Catalytic Chemistry of C1 Molecules, Lille (France), July 2024.

9. In₂O₃-based oxygen carrier materials for chemical-looping oxidative dehydrogenation of ethane with CO₂ decomposition at low temperatures,
Kosuke Watanabe, Takuma Higo, Koki Saegusa, Hiroshi Sampei, Yuki Isono, Akira Shimojuku, Hideki Furusawa, Yasushi Sekine,
13^th Natural Gas Conversion Symposium, Amoy (China), April 2024.

8. Electric field-assisted low-temperature ammonia synthesis using iron phosphide catalyst,
Ryuku Maeda, Hiroshi Sampei, Tomohiro Tsuda, Yuta Mizutani, Takuma Higo, Hideaki Tsuneki, Takato Mitsudome and Yasushi Sekine,
The 9^th Asia-Pacific Congress on Catalysis (APCAT-9), Hangzhou (China), October-November 2023.

7. CO₂ adsorption and desorption under applying an electric field,
Takumi Masuda, Koki Saegusa, Kenshin Chishima, Hiroshi Sampei, Kazuharu Ito, Kota Murakami, Jeong Gil Seo and Yasushi Sekine,
The 9^th Asia-Pacific Congress on Catalysis (APCAT-9), Hangzhou (China), October-November 2023.

6. Evaluating the Effects of OH-group on the Ni Surface on Low-Temperature Steam Reforming in an Electric Field,
Jun Sasaki, Kaho Nagakawa, Hiroshi Sampei, Naoya Mori, Takashi Oyama, Hideto Sato, Yasushi Sekine,
The 19^th Korea-Japan Symposium on Catalysis (19KJSC), Seoul (Korea), May 2023.

5. Electric Field-Assisted Low-Temperature Ammonia Synthesis over Iron Phosphide Catalyst,
Ryuku Maeda, Hiroshi Sampei, Tomohiro Tsuda, Yuta Mizutani, Takuma Higo, Hideaki Tsuneki, Takato Mitsudome, Yasushi Sekine,
The 19^th Korea-Japan Symposium on Catalysis (19KJSC), Seoul (Korea), May 2023.

4. Theoretical Investigation for Governing Factor in Protonation of Keggin-Type Polyoxometalates,
Hiromu Akiyama, Hiroshi Sampei, Masahiro Yamaguchi, Chinami Takashima, Hiromi Nakai, Shuhei Ogo, Tadaharu Ueda, Yasushi Sekine,
The 19^th Korea-Japan Symposium on Catalysis (19KJSC), Seoul (Korea), May 2023.

3. Theoretical Investigation of Material Properties on CO₂ Capture by Applying Electric Field,
Kenshin Chishima, Koki Saegusa, Hiroshi Sampei, Kazuharu Ito, Kota Murakami, Jeong Gil Seo, Yasushi Sekine,
The 19^th Korea-Japan Symposium on Catalysis (19KJSC), Seoul (Korea), May 2023.

2. Theoretical study on the control of CO₂ capture and separation by applying the electric field,
Koki Saegusa, Kenshin Chishima, Hiroshi Sampei, Kazuharu Ito, Kota Muakami, Yasushi Sekine,
The 12^th International Conference on Environmental Catalysis (ICEC2022), Osaka (Japan), July-August 2022.

1. Elucidation of material properties on CO2 captures by applying an electric field,
Koki Saegusa, Kenshin Chishima, Hiroshi Sampei, Kazuharu Ito, Kota Muakami, Yasushi Sekine,
The 9^th Tokyo Conference on Advanced Catalytic Science and Technology (TOCAT9), Fukuoka (Japan), July 2022.