Scanning Tunneling Microscope - How Nanoscientists see Atoms

Scanning Tunneling Microscope - How Nanoscientists see Atoms

By John C. Bean - WeCanFigureThisOut.orgScience Technology

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Scanning Tunneling Microscope - How Nanoscientists see Atoms episodes

July 24, 2017 The voltage to the back crystal determines pixel color. Voltages on the other crystals move the probe and pixels side-to-side and up-and-down.
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1 min
July 24, 2017 But how do we first position the probe only a nanometer or so from the sample surface?
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1 min
July 24, 2017 It's done by ratcheting this cylinder in until an electron current is sensed.
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1 min
July 24, 2017 This STM is so simple that we use it in UVA classes. But it also earned two physicists the Nobel Prize in 1986.
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1 min
May 11, 2006 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. Be
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1 min
May 11, 2006 All of the scenes together
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4 min