Fig. 2: Morphology and Formation Mechanism of Sub-50 nm Nano-line. | Light: Science & Applications

Fig. 2: Morphology and Formation Mechanism of Sub-50 nm Nano-line.

From: Polarization-independent surface nanostructuring by femtosecond laser irradiation via microsphere in far field and ambient air

Fig. 2

a SEM images of nano-line formed in Sb2S3 films through microsphere femtosecond irradiation at a laser fluence of 0.12 mJ cm⁻² and a scanning speed of 150 μm s⁻¹. Corresponding b three-dimensional morphology and c cross-sectional profile of the nano-line obtained by AFM measurement. d Schematic of nano-lines formation mechanism in Sb2S3 films during the molten state under high-repetition-rate femtosecond laser irradiation

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