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Сканирующий туннельный микроскоп

Производитель: 3B Scientific
Код товара: 87565
Доступность: Под заказ
Артикул: 1012782

Учебное оборудование. Дополнительный код: U13910

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Сканирующий туннельный микроскоп
The Nanosurf Easyscan 2 is a modular scanning probe microscopy system that offers flexibility at a great price: one controller, several scan head types, and various upgrade possibilities! Meant to resolve atomic structures at the surface of electrically conductive materials, this easy-to-use and compact, scanning tunnelling microscope is particularly suitable for training purposes. The complete system includes a probe for row-by-row scanning of sample surfaces with the measuring tip, vibration-absorbing pad, controller with computer interface, as well as graphite and gold samples.



Experiment topics:



  • Tunnel effect


  • Representation of individual atoms


  • Representation of lattice defects and dislocations


  • Representation of charge density waves


  • Dependence of tunnel current on distance between measuring tip and sample


  • PID control of tunnel current


System requirements:


  • Windows 2000 or higher


  • XYZ grid: 500x500x200 nm?


  • Minimum increment XY: 7.6 pm


  • Minimum increment Z: 3 pm


  • Tunnel current: 0.100 …100.000 nA (0.025 nA increment)


  • Voltage: ±10.000 V (0.005 V increment)


  • Maximum sample size: 10 mm diam.


  • Supply voltage: 90 – 240 V, 50/60 Hz


  • Connection: USB


Scope of Delivery:


  • Controller


  • Installation CD with measurement and control software


  • Scanning probe with connection cable


  • Cover with lens


  • Experiment plate with vibration damping


  • Tool kit for manufacturing the probe tip (side cutters, flat-nose pliers, pointed and rounded tweezers)


  • Platinum-iridium wire, 0.25 mm diam., 300 mm


  • Graphite (HOPG) sample on a carrier


  • Gold (1.1.1) sample on a carrier


  • Set of 4 sample carriers


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