Photothermally induced natural vibration for versatile and high-speed actuation of crystals - Nature Communications

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Photothermally induced natural vibration for versatile and high-speed actuation of crystals - Nature Communications
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Versatile, high-speed, and efficient crystal actuation with photothermally resonated natural vibrations waseda_univ NatureComms

. The aim of these mathematical models is to understand the photoreaction of molecules in the crystalline state from the perspective of solid-state photochemistry. On the other hand, one of the objectives of this study is to reproduce high-speed bending of crystals through the photothermal effect and natural vibration—fundamental physical phenomena—and elucidate the mechanism of high-speed bending based on FEA models.

In conclusion, we discovered that molecular crystals cause high-speed natural vibration by the photothermal effect. The natural vibration was dramatically amplified by resonance to achieve high-speed, large bending, and high energy conversion efficiency. Any light-absorbing crystal can be actuated by photothermally induced natural vibration.

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