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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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Interfacial Electrochemical Methods: Overview01:06

Interfacial Electrochemical Methods: Overview

256
Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current...
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相关实验视频

Updated: Jul 12, 2025

Probing Surface Electrochemical Activity of Nanomaterials using a Hybrid Atomic Force Microscope-Scanning Electrochemical Microscope AFM-SECM
08:31

Probing Surface Electrochemical Activity of Nanomaterials using a Hybrid Atomic Force Microscope-Scanning Electrochemical Microscope AFM-SECM

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带有qPlus传感器的电化学AFM/STM:用于研究固体-液体接口的多功能工具.

Andrea Auer1, Bernhard Eder1, Franz J Giessibl1

  • 1Institute of Experimental and Applied Physics, University of Regensburg, 93053 Regensburg, Germany.

The Journal of chemical physics
|November 1, 2023
PubMed
概括
此摘要是机器生成的。

本研究介绍了一种结合原子力显微镜 (AFM) 和扫描道显微镜 (STM) 的新仪器,用于电化学接口. 它实现了原子分辨率成像,并测量了酸性电解质中的溶剂分层.

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Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid
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Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid

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Atomic Force Microscopy of Red-Light Photoreceptors Using PeakForce Quantitative Nanomechanical Property Mapping
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Atomic Force Microscopy of Red-Light Photoreceptors Using PeakForce Quantitative Nanomechanical Property Mapping

Published on: October 24, 2014

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相关实验视频

Last Updated: Jul 12, 2025

Probing Surface Electrochemical Activity of Nanomaterials using a Hybrid Atomic Force Microscope-Scanning Electrochemical Microscope AFM-SECM
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Probing Surface Electrochemical Activity of Nanomaterials using a Hybrid Atomic Force Microscope-Scanning Electrochemical Microscope AFM-SECM

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Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid
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Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid

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Atomic Force Microscopy of Red-Light Photoreceptors Using PeakForce Quantitative Nanomechanical Property Mapping
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Atomic Force Microscopy of Red-Light Photoreceptors Using PeakForce Quantitative Nanomechanical Property Mapping

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科学领域:

  • 表面科学是一门科学.
  • 电化学 电化学 电化学
  • 纳米技术纳米技术

背景情况:

  • 原子力显微镜 (AFM) 和扫描道显微镜 (STM) 提供高空间分辨率.
  • 同时的AFM/STM需要针对复杂环境的专门仪器.
  • 电化学接口为纳米级成像带来了独特的挑战.

研究的目的:

  • 介绍一款用于电化学应用的新型组合AFM/STM仪器.
  • 在电化学接口上演示原子分辨率成像.
  • 为了研究水界面结构和电化学界面特性.

主要方法:

  • 使用qPlus传感器进行AFM/STM尖端集成.
  • 开发了一种自制的电源控制器,用于电化学控制.
  • 在酸性电解质中同时进行AFM/STM成像.

主要成果:

  • 在酸性电解质中实现了石墨的原子分辨率成像.
  • 证明了界面溶剂分层的精确测量.
  • 展示了潜在依赖的溶剂结构分析.

结论:

  • 开发的AFM/STM仪器可以对电化学接口进行前所未有的洞察.
  • 这项技术有助于对水界面和表面结构进行详细研究.
  • 开辟了理解纳米级电化学过程的新途径.