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SPUCK · 03-18-2009, 05:54 AM

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.

03-18-2009, 05:54 AM	#9
SPUCK Professor Join Date: Oct 2006 Posts: 1,911	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.