28
- click
: The mouse pointer becomes a cross and the ‘Tool Info
Panel’ opens.
- look for a ‘flat’ region (similar grey values) in ‘TopView’ and make a
square there with the mouse pointer. The size of the square is dis-
played in the ‘Tool Info Panel’.
- Release the mouse button when the square’s size is about 30-50nm.
- Confirm your selection by double clicking on the display using the
left mouse button. Consequently the selection is enlarged to the whole
display size. You can abort the zoom function by clicking with the
right mouse button.
3. Atomic arrangements can normally be made out at a ‘ScanRange’ of about
4 nm and at a ‘Z-Range’ of about 1.5 nm:
- Enter these values in ‘Scan Panel’ one after the other. Play with these
values, they can be reduced even further. Between changes always al-
low the computer to scan the picture a couple of times before con-
tinuing.
- Pay attention that the height of the signal in the ‘LineView’ window
does not exceed the window height. If this happens, the z-Range is set
too small and should be increased.
Consider that one nanometer is the diameter of between four and eight
atoms.
F
IRST
M
EASUREMENTS
A
CHIEVING
ATOMIC
RESOLUTION
Summary of Contents for easyScan E-STM
Page 1: ...1 Operating Instructions easyScan E STM Version 2 1...
Page 46: ...46...
Page 47: ...47...
Page 48: ...48...
