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Education

Waseda University, Tokyo, Japan

04.2020–03.2025 Ph.D. in Engineering, Department of Advanced Science and Engineering, Graduate School of Advanced Science and Engineering

Supervisors - Prof. Dr. Toru Asahi and Prof. Dr. Hideko Koshima

Dissertation title - Actuation Performance and Versatility Expansion of Organic Crystals by Photothermally Resonated Natural Vibration

04.2016–03.2020 Bachelor of Science, Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering

Research Fellowship

02.2026– Overseas Research Fellowship, Japan Society for the Promotion of Science

04.2022–03.2025　Research Fellowship for Young Scientists (DC1), Japan Society for the Promotion of Science

Studying abroad experience & Internship

02.2024–03.2024　Internship, Prof. Ken Onda, Department of Chemistry, Kyushu University, Fukuoka, Japan.

05.2023–08.2023    Visiting student, Prof. Xavier Roy, Department of Chemistry, Columbia University, NY, USA.

Keywords

Crystal actuators, Photoisomerization, Photothermal effect, Natural vibration, Salicylideneaniline, Photochromism, Polymorphic crystals

Grants

1. Iketani Science and Technology Foundation, Single-year research grants, PI (Apr. 2023 – Mar. 2024)

2. JSPS Overseas Challenge Program for Young Researchers, PI (May 2023 – Aug. 2023)

3. Waseda Research Institute for Science and Engineering, Early Bird Program, PI (Jun. 2022 – Mar. 2023)

4. JSPS Research Fellowships for Young Scientists (DC1), PI (Apr. 2022 – Mar. 2025)

Awards

1. Inoue Research Award for Young Scientists, Inoue Foundation for Science Promotion (Dec. 2025)

2. BCSJ Award Article, Chemical Society of Japan (May 2025)

3. Azusa Ono Memorial Award, Waseda University, Japan (Mar. 2025)

4. Best presentation award・CrystEngComm presentation award, 32th symposium on organic crystals, Japan (Oct. 2024)

5. Travel support for international conferences, The Japanese Photochemistry Association (Feb.2024)

6. Student Presentation Award, The 103rd CSJ (The Chemical Society of Japan) Annual Meeting, Japan (Mar. 2023)

7. Runner up, 5 min. short research presentation contest, Waseda Research Institute of Science and Engineering, Waseda University, Japan (Mar. 2023)

8. Best Poster Presentation Award, 12th CSJ Chemistry Festa 2022, Japan (Oct. 2022)

9. IUCr Journals Poster Prize, 25th International Conference on the Chemistry of the Organic Solid State (ICCOSS XXV 2022), North Macedonia (Jun. 2022)

10. Chemical Science Presentation Prize, Annual Meeting on Photochemistry 2021, Japan (Sept. 2021)

11. Poster Award, Molecular Chirality Asia 2020, Japan (Nov. 2020)

12. Best Student Presentation Award (Oral), Annual Meeting on Photochemistry 2020, Japan (Sept. 2020)

13. Best Student Presentation Award (Poster), Annual Meeting on Photochemistry 2019, Japan (Sept. 2019)

Presentations

Oral, International conferences [seven]

1. Diverse Crystal Actuation (invited)

S. Hasebe, Y. Hagiwara, T. Asahi, H. Koshima, November 21, 2023, 4th International Workshop on Active Matter, Brussels and Mons, Belgium 🇧🇪

2. Diverse Crystal Actuation of Salicylideneaniline Derivatives by Photoisomerization, Photothermal Effect, and Natural Vibration

S. Hasebe, Y. Hagiwara, T. Asahi, H. Koshima, CL31, November 10, 2023, 10th International Symposium on Photochromism (ISOP 2023), Nara, Japan 🇯🇵

3. High-speed, large, and high-efficient bending of salicylideneaniline crystals by photothermal-induced natural vibration

S. Hasebe, Y. Hagiwara, T. Asahi, H. Koshima, #575, August 29, 2023, IUCr 2023, Melbourne, Australia 🇦🇺

4. Light-Driven Crystal Actuation (invited)

H. Koshima, Y. Hagiwara, S. Hasebe, July 4, 2022, 25th International Conference on the Chemistry of the Organic Solid State (ICCOSS XXV), Ohrid, North Macedonia 🇲🇰

5. Difference of photomechanical behavior of polymorphic crystals of salicylideneaniline with 3-carboxy substituent

S. Hasebe, Y. Hagiwara, T. Asahi. H. Koshima, 3411847, December 21, 2021, Pacifichem 2021, Online (🇺🇸)

6. Photomechanical behavior of polymorphic crystals of salicylideneaniline with 3-amide substituent

S. Hasebe, Y. Hagiwara, T. Asahi. H. Koshima, 3421664, December 20, 2021, Pacifichem 2021, Online (🇺🇸)

7. High-speed Crystal Actuation by Photoisomerization, Photothermal Effect, and Natural Vibration

S. Hasebe, Y. Hagiwara, J. Komiya, M. Ryu, H. Fujisawa, J. Morikawa, T. Katayama, D. Yamanaka, A. Furube, H. Sato, T. Asahi, H. Koshima, ThC1-05-05, November 4, 2021, APC (Asian Photochemistry Conference) 2021, Online (🇰🇷)

Poster, International conferences [five]

1. High-Speed and Broad-Wavelength Light-Driven Organic Crystal Oscillators Based on Photothermally Resonated Natural Vibration

S. Hasebe, Y. Hagiwara, R. Morioka, J. Morikawa, T. Asahi, H. Koshima, LEC-02, July 14–19, 2024, 29th IUPAC Symposium on Photochemistry, Valencia, Spain 🇪🇸

2. Polymorph-induced Diversification of Crystal Actuation based on Photoisomerization and the Photothermal Effect

S. Hasebe, Y. Hagiwara, T. Asahi, H. Koshima, P-43, July 3–8, 2022, 25th International Conference on the Chemistry of the Organic Solid State (ICCOSS XXV), Ohrid, North Macedonia 🇲🇰 

3. Difference of photomechanical behavior of polymorphic crystals of salicylideneaniline with 4-fluoro substituent

S. Hasebe, T. Asahi. H. Koshima, 3413901, December 16–21, 2021, Pacifichem 2021, Online (🇺🇸)

4. Photothermal high-speed crystal actuation and the simulation

S. Hasebe, Y. Hagiwara, J. Komiya, M. Ryu, H. Fujisawa, J. Morikawa, T. Katayama, D. Yamanaka, A. Furube, H. Sato, T. Asahi, H. Koshima, Poster-29, August 14–22, 2021, IUCr 2021, Online (🇨🇿)

5. High-speed Photomechanical Motion of Chiral Crystals Composed of an Achiral Salicylideneaniline

S. Hasebe, J. Komiya, T. Asahi, H. Koshima, P-05, October 31–November 2, 2020, Molecular Chirality Asia 2020, Online (🇯🇵)

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Asahi Lab.