Nonlinear Optical Properties in an Epitaxial YbFe2O4 Film Probed by Second Harmonic and Terahertz Generation

H Yu, Y Okimoto, A Morita, S Shimanuki, K Takubo… - Materials, 2023 - mdpi.com
An epitaxial film of YbFe2O4, a candidate for oxide electronic ferroelectrics, was fabricated
on yttrium-stabilized zirconia (YSZ) substrate by magnetron sputtering technique. For the …

Ultrafast anisotropic polarization dynamics of electronic ferroelectric

H Yu, Y Fukada, G Nishida, K Takubo, T Ishikawa… - Physical Review …, 2024 - APS
Femtosecond time-resolved second-harmonic generation (SHG) measurements were
performed at room temperature on a single crystal of LuFe 2 O 4, which has recently …

Ultrafast variation of the polarized state in proton-π electron coupled ferroelectric cocrystal Phz-H 2 ca

A Sugisawa, T Umanodan, H Yu, T Ishikawa… - Materials …, 2023 - pubs.rsc.org
The photoexcitation dynamics of an organic ferroelectric phenazine-chloranilic cocrystal is
studied using time-resolved reflectance and second harmonic generation (SHG) …