Ultra-fast control of ferroelectrics' properties using light, for faster, more energy-efficient memory devices and electronic components

https://phys.org/news/2025-09-future-electronics-ultrafast-ferroelectric-properties.html

"photoinduced structural dynamics/ time evolution of strain... ferroelectric materials exhibit spontaneous polarization which can be reversed by applying an external electric field, ideal as nanoscale switches... ultra-short, high-energy laser pulses excite electrons, changing polarization in <1 trillionth second... polarization changed significantly 350 fs after laser excitation without barium titanate crystal lattice shifting notably.,, sensing, data processing, energy-efficient information storage"