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Published on Jun 2, 2014
Table of Contents: 00:09 Lecture 2.2: Surface Energy and Adhesion 01:39 Surfaces and Interfaces 03:08 A Fundamental Quantity - (Excess) Surface Energy 04:33 Surface Energy -- Empirical Law 06:38 Calculating Surface Energies 08:10 Measuring Surface Energies 10:45 high surface energy ↔ strong cohesion ↔ high melting temperatures 11:33 Why do different materials stick together 14:47 Adhesion 16:47 Work of Cohesion and Work of Adhesion 18:40 Lifshitz theory provides a rough empirical rule 20:14 Interfacial physics/chemistry at a S/S interface
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.