begin

1
begin
2
Creatures of the Nano World
-- Atoms
Carbon Atom
6 protons
6 neutrons
nucleus
3

• 1S Electrons

4 2P Electrons
nucleus
4
5 Carbon Atoms

• 1S Electrons

4 2P Electrons
5
(No Transcript)
6
What can you do with atoms ?
7
Scanning Tunneling Microscope
8
(No Transcript)
9
(No Transcript)
10
(No Transcript)
11
4 Kelvin, Ultra High Vacuum, Scanning Tunneling
Microscope
1 cm
12
microscope
vacuum chamber
13
Vacuum Chambers
Electronics
Liquid Helium Dewar
Computer
STM
14
Atomic Resolution Images of Surfaces
Xenon Atom
15
Atom Manipulation
16
Atom Manipulation
17
Atom Manipulation
18
MANIPULATION MODE
IMAGING MODE
TIP
TIP
SURFACE
SURFACE
19
Atom 1
Xenon on Platinum
xenon atom
Path
before
defect
defect
after
xenon atom
September 28, 1989
20
Atom Manipulation
Xenon on Nickel
21
molecule assembly with the STM
22
Copper
23
Quantum Corral