Physical Transformation AtlasPTA
Transducer · transducer:thermocapillary-micromotor

Thermocapillary micromotor

A microfabricated asymmetric gear at a liquid–air interface spins when absorbed light heats it unevenly; the surface-tension gradient around its teeth drives a thermocapillary flow that torques the gear (Maggi et al. 2015, up to 300 r.p.m.).

K5 · energy harvestedalso: light-driven microgear, Marangoni micromotor

Atlas record: 1 claim references this transducer — 1 demonstrated.

Explorerelations · sources · cite

1claims0enumerated routes0routes with complete-composition evidence0candidate routes not searched1cited sources

Relations

implemented by · 1
Marangoni effect—implemented by→Thermocapillary micromotordemonstrated

Cited sources · 1

  1. [1]
    C. Maggi et al.. Micromotors with asymmetric shape that efficiently convert light into work by thermocapillary effects (2015)
    Nature Communications 6, 7855 · doi:10.1038/ncomms8855 · record

Cite this entity

Physical Transformation Atlas (2026). entity transducer:thermocapillary-micromotor: Thermocapillary micromotor. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/e/transducer/thermocapillary-micromotor

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