Self-Organized Structures in Thin Film of Phase Change Material Upon Femtosecond Laser Excitation: From Periodic Ordering to Ablation

Tatyana Sergeevna Kunkel,Yuri Vorobyov,Mikhail Smayev,Petr Lazarenko,Alex Kolobov,Sergey Kozyukhin

SSRN Electronic Journal（2022）

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摘要

•Subablative pulses result in multistage processes of GST225 material reconfiguration.•Mass transfer is preceded by temperature modulation of electromagnetic nature.•Plateau–Rayleigh instability transforms melted threads into regular nanospheres.•Chains of spheres evolve into ripples with a pronounced relief under Marangoni forces.

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关键词

femtosecond laser excitation,phase change material,periodic ordering,self-organized

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