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Updated: Jan 16, 2026

Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory
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通过扫描传输电子显微镜评估金属纳米集中的原子计数

Keizo Tsukamoto1, Naoyuki Hirata1, Masahide Tona1

  • 1Ayabo Corporation, 1 Hosogute, Fukama-cho, Anjo 446-0052, Aichi, Japan.

Ultramicroscopy
|September 25, 2025
PubMed
概括

对纳米集群 (NCs) 的精确控制是先进材料的关键. 高角环状暗场扫描传输电子显微镜 (HAADF-STEM) 准确确定了NC大小和原子组成.

关键词:
的直径分布.单分散式固定化固定化纳米集群的纳米集群是什么?一个原子精度的精度.传输电子显微镜的使用

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Scanning Electron Microscopy01:07

Scanning Electron Microscopy

A scanning electron microscope (SEM) is used to study the surface features of a sample by using an electron beam that scans the sample surface in a two-dimensional manner. Typically, areas between ~1 centimeter to 5 micrometers in width can be imaged. SEM can be used to image bacteria, viruses, tissues as well as larger samples like insects. Conventional SEM gives a magnification ranging from 20X to 30,000X and spatial resolution of 50 to 100 nanometers.
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