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Atomic Force Microscopy01:08

Atomic Force Microscopy

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Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...
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Updated: Jan 13, 2026

Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid
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解码原子景观:集成电子结构理论和高分辨率原子力显微镜.

Dingxin Fan1, Yukun Zhang2, Zhao Tang3

  • 1Princeton Materials Institute, Princeton University, Princeton, New Jersey 08540, USA.

The Journal of chemical physics
|January 8, 2026
PubMed
概括
此摘要是机器生成的。

高分辨率原子力显微镜 (HR-AFM) 以原子精度可视化化学键和分子结构. 这种技术通过CO功能化提示和理论建模来增强,为先进的材料科学解码原子景观.

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科学领域:

  • 表面科学是一门学科.
  • 纳米技术 纳米技术
  • 扫描探头显微镜 扫描探头显微镜

背景情况:

  • 高分辨率原子力显微镜 (HR-AFM) 允许在原子层面进行成像和操纵.
  • 用CO分子功能化扫描探头可以增强可视化功能.

研究的目的:

  • 从实验和理论角度提供HR-AFM的全面概述.
  • 详细介绍HR-AFM用于原子尺度表征的原理,方法和应用.

主要方法:

  • 频调原子力显微镜 (FM-AFM) 的原理和尖端功能化.
  • 将AFM与扫描道显微镜 (STM) 集成,用于增强成像和光谱.
  • 理论方法包括虚拟尖端方法,DFT和冷密度嵌入理论.

主要成果:

  • HR-AFM能够可视化化学键,分子间相互作用和轨道签名.
  • 应用包括解决债券订单,功能组,以及对工业碳化合物的表征.
  • 在原子尺度上展示了受控的键断裂和操纵.

结论:

  • HR-AFM与第一原则建模相结合,揭示了以前无法获得的表面现象.
  • 该技术在单个原子和分子尺度上解码原子景观.
  • 在HR-AFM的进步扩展到2D材料中的量子缺陷的状态分辨率成像.