Fig. 5: Modelling of thermoelastic effect in a free-standing VSe2 nanosheet with L = 10 nm and a = 3.7 µm following a laser pulse with Ep = 12 nJ.
From: Photoacoustic 2D actuator via femtosecond pulsed laser action on van der Waals interfaces
a Illustrations of asymmetric air gap profile to the substrate. I: the case of an edge fracture, II: the case of a speck of dust on the surface of the substrate. b Thermal stress map in the case of asymmetric air gap. c Maps of longitudinal compression wave in the nanosheet in the case of asymmetric air gap. d Dynamic momentum-to-mass ratio (M/mNS) in the case of asymmetric air gap. e Illustrations of symmetric air gap profile to the substrate. f Thermal stress map in the case of symmetric air gap. g Maps of longitudinal compression wave in the nanosheet in the case of symmetric air gap. h Dynamic momentum-to-mass ratio (M/mNS) in the case of symmetric air gap.
