Term
| What is scanning tunneling microscopy (STM)? |
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Definition
- Def: A technique that can image, and even move, individual atoms and molecules
- Discovered by Gerd Binnig and Heinrich Rohrer
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Term
| How does a scanning tunneling microscope work? |
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Definition
- By moving an extremely sharp electrode over a surface and measuring the resulting tunneling current.
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Term
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Definition
- Def: an electrical conductor.
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Term
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Definition
- Def: The electrical current that flows between the tip of the electrode and the surface even though the two are not in physical contact.
- Extremely sensitive to distance.
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