Scanning Tunneling Microscope - How Nanoscientists see Atoms

John C. Bean - WeCanFigureThisOut.org

This podcast is drawn from the "Virtual Lab" of WeCanFigureThisOut.org. This Virtual Lab uses 3D virtual reality animations to explain electronics, microelectronics and nanotechnology. This podcast explains how scanning tunneling microscopes (STM's) work. STM's are one the nanoscientist's best tools for seeing individual atoms.

  1. 25/07/2017 · VÍDEO

    All of the scenes together

    Scanning Tunneling Microscope - How Nanoscientists see Atoms

    4min

  2. 25/07/2017 · VÍDEO

    This podcast is drawn from the Virtual Lab presentations of WeCanFigureThisOut.org. The copyrighted material of this site was developed under funding from National Science Foundation CCLI, NIRT, MRSEC and NUE programs. This project is led by John C.

    Scanning Tunneling Microscope - How Nanoscientists see Atoms

    1min

  3. 24/07/2017 · VÍDEO

    Scanning tunneling microscopes (STMs) allow nanoscientists to see individual atoms.

    Scanning Tunneling Microscope - How Nanoscientists see Atoms

    9 s

  4. 24/07/2017 · VÍDEO

    To see how a Nanosurf easyScan STM works, let's take it apart in virtual reality.

    Scanning Tunneling Microscope - How Nanoscientists see Atoms

    6 s

  5. 24/07/2017 · VÍDEO

    The heart of the STM is an atomically sharp probe.

    Scanning Tunneling Microscope - How Nanoscientists see Atoms

    15 s

  6. 24/07/2017 · VÍDEO

    A voltage induces electrons to jump from the probe's tip to the sample atoms.

    Scanning Tunneling Microscope - How Nanoscientists see Atoms

    16 s

  7. 24/07/2017 · VÍDEO

    A feedback loop holds the electron current constant by keeping the distance from probe to sample constant.

    Scanning Tunneling Microscope - How Nanoscientists see Atoms

    10 s

  8. 24/07/2017 · VÍDEO

    But how can it move the probe over these tiny nanometer distances?

    Scanning Tunneling Microscope - How Nanoscientists see Atoms

    12 s
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Sobre

This podcast is drawn from the "Virtual Lab" of WeCanFigureThisOut.org. This Virtual Lab uses 3D virtual reality animations to explain electronics, microelectronics and nanotechnology. This podcast explains how scanning tunneling microscopes (STM's) work. STM's are one the nanoscientist's best tools for seeing individual atoms.

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