Morphology of Copper Nanofoams for Radiation Hydrodynamics and Fusion Applications Investigated by 3D Ptychotomography.

IF 9.6 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY Nano Letters Pub Date : 2024-08-14 Epub Date: 2024-08-01 DOI:10.1021/acs.nanolett.4c02289

Adra Carr, Yancey Sechrest, Kevin Mertes, Brian Martin Patterson, Brendt Wohlberg, Levi Hancock, Nicholas Sirica, Richard Sandberg, Christine Sweeney, James Hunter, William Ward, Matthew H Seaberg, Diling Zhu, Vincent Esposito, Eric Galtier, Sanghoon Song, Theodore F Baumann, Michael Stadermann, Arianna Gleason, Nina R Weisse-Bernstein

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Abstract

The performance of metal and polymer foams used in inertial confinement fusion (ICF), inertial fusion energy (IFE), and high-energy-density (HED) experiments is currently limited by our understanding of their nanostructure and its variation in bulk material. We utilized an X-ray-free electron laser (XFEL) together with lensless X-ray imaging techniques to probe the 3D morphology of copper foams at nanoscale resolution (28 nm). The observed morphology of the thin shells is more varied than expected from previous characterizations, with a large number of them distorted, merged, or open, and a targeted mass density 14% less than calculated. This nanoscale information can be used to directly inform and improve foam modeling and fabrication methods to create a tailored material response for HED experiments.

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通过三维断层扫描研究辐射流体力学和聚变应用中的纳米铜泡沫形态。

目前，惯性约束聚变（ICF）、惯性聚变能（IFE）和高能量密度（HED）实验中使用的金属和聚合物泡沫的性能受到我们对其纳米结构及其在块体材料中的变化的了解的限制。我们利用无 X 射线电子激光器 (XFEL) 和无透镜 X 射线成像技术，以纳米级分辨率（28 纳米）探测铜泡沫的三维形态。观察到的薄壳形态比之前的表征结果更加多样，其中大量薄壳扭曲、合并或打开，目标质量密度比计算值低 14%。这些纳米级信息可直接用于指导和改进泡沫建模和制造方法，为 HED 实验提供量身定制的材料响应。

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来源期刊

Nano Letters 工程技术-材料科学：综合

CiteScore

16.80

自引率

2.80%

发文量

1182

审稿时长

1.4 months

期刊介绍： Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including: - Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale - Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies - Modeling and simulation of synthetic, assembly, and interaction processes - Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance - Applications of nanoscale materials in living and environmental systems Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.