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Category: Learning & Education

3B Scientific Scanning Tunneling Microscope by 3B Scientific

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3B Scientific
3B Scientific

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  • Tunnel effect; representation of atoms loose
  • Representation of point defects and dislocations
  • Representation wave charge density
  • Dependence on the flow of the tunneling distance between the measuring tip and the sample
  • Adjusting the PID flow tunneling


Scanning tunneling microscope compact and easy to operate, to the disintegration of atomic structures on the surface of electrical conductive material. Especially suitable for teaching purposes. Complete system with scanning head for scanning a line of the sample surface with the point of measurement, based attenuator vibration control device with computer interface, a graphite sample and a sample of gold. Windows since 2000 System requirement. 500 by 500 by 200 normal cubic meter Range lattice XYZ, 7.6pm XY minimum step width, 3pm Z minimum step width, 0100 to 100 000 nA (step width 0.025 nA) Tunneling current. 10 +/-V (step width of 0.005 V). 10mm sample, 90 to 240 V, 50/60 Hz Power supply voltage, USB Connection. Supply: Control unit, Installation CD with software measurement and control, Scanning head with cable connection, Cover with magnifying glass, Base vibration attenuator, Set of tools for making the measuring tip (diagonal cutting pliers, flat-nosed pliers, tweezers and sharp and rounded), Platinum-iridium wire, 0.25mm, 300mm, Graphite (HOPG) – Sample holder on, Gold (1,1,1) – Sample holder on, Fourth set of sample carriers.

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