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Updated: Jan 8, 2026

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使用基于STEM的原子分辨二次电子技术,在TiO2纳米小板上辨别单个原子.

Zhouhong Ren1, Xian Li2, Dongrun Xu3

  • 1School of Chemistry and Chemical Engineering, in-situ Center for Physical Sciences, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, PR China.

Nature communications
|December 12, 2025
PubMed
概括

先进的电子显微镜揭示了二次电子 (SE) 成像补充环状暗场 (ADF) 成像用于识别单原子催化剂 (SAC). 这项技术增强了对纳米材料的原子级表面特征分析.

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Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
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