Versatile, high-speed, and efficient crystal actuation with photothermally resonated natural vibrations

https://phys.org/news/2023-04-versatile-high-speed-efficient-crystal-actuation.html

"2,4-dinitroanisole β-phase crystals (1β) large-angle photothermally resonated high-speed bending induced pulsed UV irradiation...  large thermal expansion coefficient... cooled methanol anisole 1... hexagonal rod-shaped 1β single crystals... pulsed UV laser 375 nm... fast natural vibration 390 Hz photothermal bending 1° increased to 4° when irradiated with pulsed UV light 390 Hz... high response frequency 700 Hz, highest energy conversion efficiency... soft robots high-speed actuation capability"

Related: Novel crystal compound melts under ultraviolet light

https://phys.org/news/2023-05-crystal-compound-ultraviolet.html