| TOPICS | STREAMING MEDIA | DOWNLOADABLE MEDIA |
|---|---|---|
Tutorial 1: Introduction to the lab AFM (40 min.) Tour of the AFM components Hardware operation: preparing and loading the cantilever and sample; setup and alignment using the laser diffraction pattern Software operation: overview; interpreting computer and oscilloscope displays Force spectroscopy introduction: engaging the tip; monitoring cantilever deflection; fine-tuning the setup with force curves | (RM - 56K) (RM - 220K) | (MP4 - 88.3MB) |
Hands-on 1: AFM force spectroscopy (15 min.) Load cantilever and sample; determine basic features of the sample | (RM - 56K) (RM - 220K) | (MP4 - 32.7MB) |
Tutorial 2: More about force spectroscopy (18 min.) Collecting and analyzing data Comparing the 20.309 lab AFM and commercial AFM systems Overview of elastic modulus curves experiment Cantilever geometry correction factor (numerical calculation of cantilever bending) | (RM - 56K) (RM - 220K) | (MP4 - 39.1MB) |
Hands-on 2: AFM force spectroscopy (43 min.) | (RM - 56K) (RM - 220K) | (MP4 - 93.8MB) |
Tutorial 3: AFM noise Measurement (16 min.) Estimating Boltzman's constant More about cantilever behavior | (RM - 56K) (RM - 220K) | (MP4 - 35MB) |
Hands-on 3: AFM noise measurement (9 min.) More about preparing and loading cantilevers | (RM - 56K) (RM - 220K) | (MP4 - 20.9MB) |