[7a-PA6-1~14] 6.1 Ferroelectric thin films

[7a-PA6-9] Correlation between electronic state and photo-induced current of YMnO₃ thin film

〇Kohei Miura¹, Lejun Zhang¹, Daisuke Kiriya¹, Takeshi Yoshimura¹, Atsushi Ashida¹, Norifumi Fujimura¹ (1.Osaka Pref. univ.)

Keywords:ferroelectrics, Strongly correlated material, Photo-induced phenomenon

Some strongly correlated ferroelectrics absorb the wavelength longer than visible light because of their specific electron state. Hexagonal YMnO₃, strongly correlated ferroelectric, have electron transition of d orbital in visible to infrared region. We focused on the photo-induced phenomenon and revealed the electron state. In this paper, the correlation between the electron state and photo-induced current will be discussed using YMnO₃ epitaxial thin film.