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. 2023 Jun 8;10(23):2302409. doi: 10.1002/advs.202302409

Figure 5.

Figure 5

Programmable shape morphing demonstration in response to the laser‐ and RF wave‐based remote heating. a) Optical and thermal images of MSRs conducting partial shape morphing in response to laser heating. The dashed arrow points out the position of the laser spot. Scale bar: 500 µm. b) Time‐dependent temperature as a function of the power intensity that produces the laser varying from 23 to 16 mW mm−2. c) Width‐dependent temperature as a function of the power intensity that produces the laser varying from 23 to 16 mW mm−2. The thermal image gives the size and temperature value of the laser spot at 23 mW mm−2. Scale bar: 500 µm. d) Time‐dependent temperature as a function of the heating power that produces the alternating electric field (frequency: 300 kHz) varying from 5000 to 8000 W. e) Optical and thermal images of the MSRs conducting uniform shape morphing in response to the radio frequency heating. Scale bar: 1 mm. f) Optical images of the MSRs climbing the slope with a choppy surface. The transformation of the MSR was controlled by RF heating. Scale bar: 2 mm.

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