过热等离激元纳米颗粒的熔化、类气泡膨胀与爆炸
原子与分子团簇
2025-04-07 v1 介观与纳米尺度物理
材料科学
计算物理
光学
摘要
我们报道了气相银纳米颗粒的时间分辨相干衍射成像，这些颗粒通过其等离激元共振被强烈加热。X 射线衍射图像揭示了不同激发强度下的广泛现象，从简单熔化、强烈空化到爆炸性碎裂。分子动力学模拟完全重现了这种行为，并表明加热在所有情况下都诱导了穿过相图的相当类似的轨迹，而极其不同的结果仅取决于是否以及在哪里跨越了亚稳过热液体的稳定性极限。
引用
@article{arxiv.2309.00433,
title = {Melting, bubble-like expansion and explosion of superheated plasmonic nanoparticles},
author = {Simon Dold and Thomas Reichenbach and Alessandro Colombo and Jakob Jordan and Ingo Barke and Patrick Behrens and Nils Bernhardt and Jonathan Correa and Stefan Düsterer and Benjamin Erk and Thomas Fennel and Linos Hecht and Andrea Heilrath and Robert Irsig and Norman Iwe and Patrice Kolb and Björn Kruse and Bruno Langbehn and Bastian Manschwetus and Philipp Marienhagen and Franklin Martinez and Karl-Heinz Meiwes Broer and Kevin Oldenburg and Christopher Passow and Christian Peltz and Mario Sauppe and Fabian Seel and Rico Mayro P. Tanyag and Rolf Treusch and Anatoli Ulmer and Saida Walz and Michael Moseler and Thomas Möller and Daniela Rupp and Bernd von Issendorff},
journal= {arXiv preprint arXiv:2309.00433},
year = {2025}
}
备注
17 pages, 8 figures (including supplemental material)