原子力显微镜afm原理及操作手册.pdf
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Atomic Force Microscopy
Part 2: Standard modes and applications
Asylum Research
© Asylum Research 2014 Page 1
Principles of AFM
• Common modes of operation
• A few applications
• A few NEW applications !
– and some cool images
© Asylum Research 2014 Page 2
Modes of Operation
• Force measurements
• Contact mode
• AC (tapping) mode
and sources of error in measurements
© Asylum Research 2014 Page 3
Modes of Operation – force curves
Position Sensitive Detector
Light Source
F = -kx
)
Focusing Optics m
n 0
(
Shake Piezo n
o
i
t
z c
e
l
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