nanoHUB-U: Fundamentals of Atomic Force Microscopy, Part 1: Fundamental Aspects of AFM

nanoHUB-U: Fundamentals of Atomic Force Microscopy, Part 1: Fundamental Aspects of AFM

Offering: 01a Section: Self Paced

Video
  • Lecture 2.3: Connecting Surface Energies to Hamaker Constants The Derjaguin Approximation 1. Lecture 2.3: Connecting Surfac… 0
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  • Surface Energetics 2. Surface Energetics 72.566666666666663
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  • (Excess) Surface Energy 3. (Excess) Surface Energy 104.43333333333334
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  • Recall the Molecule-Plane Interaction 4. Recall the Molecule-Plane Inte… 163.16666666666666
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  • The Plane-Plane Interaction 5. The Plane-Plane Interaction 221.8
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  • Typical Values for Hamaker Constant 6. Typical Values for Hamaker Con… 350
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  • How strong is the vdW surface force? 7. How strong is the vdW surface … 442.4
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  • Estimating the surface energy due to vdW forces 8. Estimating the surface energy … 741.26666666666665
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  • The Derjaguin approximation 9. The Derjaguin approximation 826.73333333333335
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  • Untitled, Slide 10 10. Untitled, Slide 10 987.13333333333333
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  • Example 11. Example 1049.2
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  • Implications of Derjaguin’s approximation 12. Implications of Derjaguin’s … 1121.3333333333333
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L2.3: Tip-Surface Interactions (Contact) - Dejaugin Approximation

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