Compacte STM, Scanning Tunneling Microscoop.
Function and Applications

Easy to use scanning tunneling microscope to image conducting surfaces and to investigate effects and characteristics on atomic and molecular scale. A variety of experiments in the fields of Material Sciences, Solid State Physics/Chemistry, Nanotechnology and Quantum Mechanics can be performed.

Equipment and technical data

Scan head with integrated control-unit on vibration-isolated experimentation board:
Maximum scan range (XY) 500 nm x 500 nm
Maximum Z-range 200 nm
Resolution in XY better than 8 pm
Resolution in Z better than 4 pm
Current 0.1-100 nA in 25 pA steps
Tip voltage +/-10 V in 5 mV steps
Dimensions 21 cm x 21 cm x 10 cm
Constant-Current Mode
Constant-Height Mode
Current-Voltage Spectroscopy
Current-Distant Spectroscopy
Control-Unit with USB socket, 16-Bit
DA converter for all three dimensions, up to 7 measurement channels, and maximum scanning speed of 60 ms/line
Scan head cover with magnifying lense: 10 x
Toolset for preparing and mounting tunneling tips: side-cutter, tong and tweezers
Pt-Ir wire for tunneling tips: length 30 cm, diameter 0.25 mm
Sample kit: Graphite (HOPG), Gold (111) films, and 4 spare sample supports
Power supply (100-240 V, 50/60 Hz), USB cable
Transport case for the instrument and all accessories
Software for measuring, analysing and visualisation (one, two, and three dimensions)
Interactive teaching software
Handbook incl. short description of experiments
Weight (incl. case) 6.7 kg

Required accessories not included

Computer with Windows XP/Vista/7, USB interface, minimum 256MB RAM, minimum 1024x758 graphics card, 16-bit colour resolution or better