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nanoHUB-U Fundamentals of AFM L1.4: Tip-Surface Interactions (Non-Contact) - Ion-Dipoles

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Published on Jun 2, 2014

Table of Contents:
00:09 Lecture: 1.4 Inter-Molecular Forces: Ion-Dipole Interaction
00:32 Overview: Electrostatic Intermolecular Interactions
01:52 3. The interaction of a point charge Q with a thermally fluctuating ...
03:05 Quick Review: Calculating Thermodynamic Averages
05:35 The Probability
07:51 Working Out the Math
10:41 Summarizing the Results
12:55 Induction: polarizing a non-polar molecule
16:38 4. The interaction of a point charge Q with a non-polar molecule
19:57 Working out the math
20:37 Li ion induces dipole in ethanol molecule
22:48 Compare to interaction of Li ion with "angle-averaged", Permanent ...
24:14 Up next, what happens if there are no ions?

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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