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03-18-2009, 05:54 AM
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#16 |
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Professor
Join Date: Oct 2006
Posts: 1,911
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A nanometer(nm) is 0.000,000,001 meters.
An Angstrom is 1/10 of a nanometer. A silicon crystal has a nucleus to nucleus spacing of 5 Angstroms. Or 0.5nm. So an "atomic layer" is about 0.5nm. 40 atomic layers ~ 20nm. |
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