journal article·2018-11

Regional effects and mechanisms of nanoparticle removal from Si substrate by laser plasma shock waves

Qiongqiong Gu, Guoying Feng, Guorui Zhou, Jinghua Han, Ju Luo, Jinliang Men, Yue Jiang

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Abstract

Abstract We use laser-induced plasma shock waves to remove Al nanoparticles from a smooth silicon substrate. Our experimental results show that the removal mechanism varies for different substrate regions. We examine the factors influencing particle removal by evaluating the shock-wave spatial distribution and the removal mechanisms. Further, we evaluate the influence of the gap between the laser focus and substrate on the removal results. The effects of the laser focus and substrate particle sizes are also investigated, and the optimum removal conditions are obtained. Our study can aid in better understanding the mechanisms of particle removal from surfaces.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Laser-induced spectroscopy and plasma · Laser-Ablation Synthesis of Nanoparticles · Laser Material Processing Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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