过热等离子纳米粒子的熔化、气泡状膨胀和爆炸

IF 9 1区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Physical review letters Pub Date : 2025-04-04 DOI:10.1103/physrevlett.134.136101

Simon Dold, Thomas Reichenbach, Alessandro Colombo, Jakob Jordan, Ingo Barke, Patrick Behrens, Nils Bernhardt, Jonathan Correa, Stefan Düsterer, Benjamin Erk, Thomas Fennel, Linos Hecht, Andrea Heilrath, Robert Irsig, Norman Iwe, Patrice Kolb, Björn Kruse, Bruno Langbehn, Bastian Manschwetus, Philipp Marienhagen, Franklin Martinez, Karl-Heinz Meiwes-Broer, Kevin Oldenburg, Christopher Passow, Christian Peltz, Mario Sauppe, Fabian Seel, Rico Mayro P. Tanyag, Rolf Treusch, Anatoli Ulmer, Saida Walz, Michael Moseler, Thomas Möller, Daniela Rupp, Bernd von Issendorff

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引用次数: 0

摘要

我们报道了气相银纳米粒子的时间分辨相干衍射成像，通过它们的等离子体共振强烈加热。x射线衍射图像揭示了不同激发强度下的广泛现象，从简单的熔化到强空化到爆炸崩解。分子动力学模拟完全再现了这一行为，并表明加热在所有情况下通过相图诱导出相当相似的轨迹，而仅仅是由于亚稳过热液体的稳定性极限是否和在哪里被跨越而导致的结果非常不同。2025年由美国物理学会出版

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Melting, Bubblelike Expansion, and Explosion of Superheated Plasmonic Nanoparticles

We report on time-resolved coherent diffraction imaging of gas-phase silver nanoparticles, strongly heated via their plasmon resonance. The x-ray diffraction images reveal a broad range of phenomena for different excitation strengths, from simple melting over strong cavitation to explosive disintegration. Molecular dynamics simulations fully reproduce this behavior and show that the heating induces rather similar trajectories through the phase diagram in all cases, with the very different outcomes resulting solely from whether and where the stability limit of the metastable superheated liquid is crossed.

Published by the American Physical Society

2025

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来源期刊

Physical review letters 物理-物理：综合

CiteScore

16.50

自引率

7.00%

发文量

2673

审稿时长

2.2 months

期刊介绍： Physical review letters(PRL)covers the full range of applied, fundamental, and interdisciplinary physics research topics: General physics, including statistical and quantum mechanics and quantum information Gravitation, astrophysics, and cosmology Elementary particles and fields Nuclear physics Atomic, molecular, and optical physics Nonlinear dynamics, fluid dynamics, and classical optics Plasma and beam physics Condensed matter and materials physics Polymers, soft matter, biological, climate and interdisciplinary physics, including networks