nanoHUB-U Fundamentals of AFM L1.3: Tip-Surface Interactions (Non-Contact) - Physical Models





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Published on Jun 2, 2014

Table of Contents:
00:09 Lecture: 1.3: Inter-Molecular Forces: Physical Models
00:42 Charges in the microscopic world
02:40 Electrostatic Potential Energy
04:15 Electrostatic Potential Energy - Examples
07:05 Atomic structure of a few common solvent molecules
07:46 Experimental identification of (di)polar and non-(di)polar molecules
09:04 Relevant properties of a few common solvent molecules
11:13 Overview: Electrostatic Intermolecular Interactions
11:55 1. Ion-ion interactions
14:32 Polar Molecules
16:44 2. Ion -Dipole Interactions
19:16 Interaction energy
21:36 Ion-Dipole Example
23:01 If ion and dipole are not permanently fixed in space, how do we ...

This video is part of nanoHUB-U's course Fundamentals of Atomic Force Microscopy: Part 1 Fundamental Aspects of AFM. (https://nanohub.org/courses/AFM1)

Structured as two 5-week courses, this unique set of courses developed by Profs. Ron Reifenberger and Arvind Raman, look at the underlying fundamentals of atomic force microscopy and exposes the knowledge base required to understand how an AFM operates.

The atomic force microscope (AFM) is a key enabler of nanotechnology, and a proper understanding of how this instrument operates requires a broad-based background in many disciplines. Few users of AFM have the opportunity or resources to rapidly acquire the interdisciplinary knowledge that allows an intelligent operation of this instrument. This focused, in-depth course solves this problem by presenting a unified discussion of the fundamentals of atomic force microscopy.

Fundamentals of Atomic Force Microscopy, Part 2: Dynamic AFM Methods provides an in-depth treatment of dynamic mode AFM.


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