Veeco Digital Instruments Dimension 3100 - Page 8

Rev. C Dimension 3100 Manual TOC-7
10.5.1 Resonating Techniques . . . . . . . . . . . 10-14
10.5.2 Cantilever Oscillation . . . . . . . . . . . . 10-14
10.5.3 Decreasing the Cantilever Drive Frequency10-
16
10.5.4 Optimization of Scanning Parameters 10-17
10.5.5 Data Type. . . . . . . . . . . . . . . . . . . . . . 10-17
10.5.6 Gain Settings . . . . . . . . . . . . . . . . . . . 10-18
10.5.7 Scan Size, Scan Rate, and Setpoint . . 10-18
10.6 Troubleshooting . . . . . . . . . . . . . . . . 10-20
10.6.1 Frequency Response Plot. . . . . . . . . . 10-20
10.6.2 Engaging the Sample. . . . . . . . . . . . . 10-20
Chapter 11 TappingMode AFM in Fluids 11-1
11.1 Overview. . . . . . . . . . . . . . . . . . . . . . . 11-1
11.2 Principles of Tapping Mode in Fluids. 11-2
11.2.1 Acknowledgments . . . . . . . . . . . . . . . . 11-2
11.3 Precautions . . . . . . . . . . . . . . . . . . . . . 11-3
11.3.1 Spillage Precautions . . . . . . . . . . . . . . 11-3
11.4 Basic Tapping Mode AFM in Fluids Operation
11-5
11.4.1 Select the Microscope Head . . . . . . . . 11-5
11.4.2 Select Mode of Operation . . . . . . . . . . 11-5
11.4.3 Head, Cantilever and Sample Preparation11-5
11.4.4 Align Laser . . . . . . . . . . . . . . . . . . . . . 11-5
11.4.5 Adjust Photodetector . . . . . . . . . . . . . . 11-6
11.4.6 Locate Tip . . . . . . . . . . . . . . . . . . . . . . 11-6
11.4.7 Focus Surface. . . . . . . . . . . . . . . . . . . . 11-6
11.4.8 Cantilever Tune . . . . . . . . . . . . . . . . . . 11-7
11.4.9 Set Initial Scan Parameters . . . . . . . . 11-11
11.4.10 Engage. . . . . . . . . . . . . . . . . . . . . . . 11-13
11.4.11 Clean the Fluid Cantilever Holder . 11-13
11.4.12 Select a Tip and Mount into the Tip Holder11-
13
11.4.13 Attach Protective Skirt. . . . . . . . . . . 11-14
11.4.14 Plug Fluid Cell in Dimension Head 11-14
11.4.15 Locate the Tip . . . . . . . . . . . . . . . . . 11-14
11.4.16 Prepare the Sample for Imaging . . . 11-15
11.4.17 Remount the Dimension Head. . . . . 11-15
11.4.18 Verify that the Microscope is Dry . . 11-17
11.4.19 Switch to Tapping Mode . . . . . . . . . 11-17
11.4.20 Set Initial Scan Parameters . . . . . . . 11-17