Contents
1.
Introduction ...........................................................................................................................................1
1.1
About this handbook ........................................................................................................................................ 1
1.2
1.3
Scanning Probe Microscopy ............................................................................................................................ 2
1.4
Atomic Force Microscopy ................................................................................................................................ 3
1.5
AFM cantilevers ............................................................................................................................................... 4
2.
Imaging modes .....................................................................................................................................5
2.1
Feedback and imaging control ......................................................................................................................... 5
2.2
2.3
2.4
Operation ......................................................................................................................................................... 8
2.5
Phase imaging ................................................................................................................................................. 9
2.6
2.7
Applications ................................................................................................................................................... 11
3.
Force spectroscopy ............................................................................................................................12
3.1
Introduction .................................................................................................................................................... 12
3.2
Data processing for analysis .......................................................................................................................... 13
3.3
Applications ................................................................................................................................................... 16
4.
More about cantilevers .......................................................................................................................18
4.1
General points ............................................................................................................................................... 18
4.2
Handling information ...................................................................................................................................... 18
4.3
4.4
Tip modification ............................................................................................................................................. 20
4.5
Spring constant .............................................................................................................................................. 21
5.
Cell imaging ........................................................................................................................................24
5.1
5.2
Sample preparation ....................................................................................................................................... 25
5.3
Imaging modes .............................................................................................................................................. 27
5.4
Critical imaging parameters ........................................................................................................................... 28
5.5
5.6
Artifacts .......................................................................................................................................................... 30
6.
Single molecule imaging .....................................................................................................................31
6.1
Preparation is key .......................................................................................................................................... 31
6.2
6.3
6.4
Imaging hints - imaging in air ........................................................................................................................ 35
6.5
7.
Artifacts ...............................................................................................................................................37
7.1
Tip shape issues ............................................................................................................................................ 37
7.2
Artifacts from damaged tips ........................................................................................................................... 38
7.3
Contamination ............................................................................................................................................... 39
JPK Instruments
NanoWizard
®
Handbook
Version 2.2a
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