Takeshi Hasegawa, Ai Nakagawara, Toshiyuki Takagi, Takafumi Shimoaka, Nobutaka Shioya, Masashi Sonoyama. Phonon modes controlled by primary chemical structure of partially fluorinated dimyristoylphosphatidylcholine (DMPC) revealed by multiple-angle incidence resolution spectrometry (MAIRS). The Journal of Chemical Physics. 2024. 160. 064704
Yuki Nojima, Takafumi Shimoaka, Takeshi Hasegawa, Taka-aki Ishibashi. Molecular Orientations of Myristic Acid Derivatives with Different Perfluoroalkyl Chain Lengths at the Air/Water Interface Evaluated by Heterodyne-Detected Sum Frequency Generation Spectroscopy. The Journal of Physical Chemistry C. 2023. 127. 25. 12349-12356
Takafumi Shimoaka, Yuta Yamaguchi, Nobutaka Shioya, Ayyappanpillai Ajayaghosh, Taizo Mori, Katsuhiko Ariga, Takeshi Hasegawa. Insights on the Molecular Orientation of Oligo(p-phenylene vinylene) Derivatives with Alkyl Chains in Langmuir Films. The Journal of Physical Chemistry C. 2023
Takayuki Oka, Nobutaka Shioya, Takafumi Shimoaka, Takeshi Hasegawa. Structural Rearrangement of Organic Semiconductor Molecules with an Asymmetric Shape in Thin Films. The Journal of Physical Chemistry C. 2023
Nobutaka Shioya, Mariko Yoshida, Masamichi Fujii, Takafumi Shimoaka, Riku Miura, Shingo Maruyama, Takeshi Hasegawa. Conformational Change of Alkyl Chains at Phase Transitions in Thin Films of an Asymmetric Benzothienothiophene Derivative. The Journal of Physical Chemistry Letters. 2022. 11918-11924