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In 1959, physicist Richard Feynman presented an
amazing talk entitled There's Plenty of Room at the Bottom, in which he proposed making very small circuits out of molecules. More than forty years later, people are starting to realize his vision. Thanks to Scanning Tunneling Microscope (STM) probes and "self-assembly" fabrication techniques, it is now possible to connect electrodes to a molecule and measure its conductance. In 2004, Mark Hersam et al. reported the first experimental measurement of a molecular resonant tunneling device on silicon. This new field of Molecular
Electronics may someday provide the means to miniaturize circuits beyond the limits of silicon, keeping Moore's Law in force for many years to come.
Learn more about molecular electronics from the resources on this site, listed below. More information on Molecular electronics can be found here.
Electrical Resistance: an Atomistic View
0.0 out of 5 stars
26 Oct 2006 | Papers | Contributor(s): Supriyo Datta
This tutorial article presents a “bottom-up” view of electrical resistance starting
from something really small, like a molecule, and then discussing the issues that
arise as we move to bigger...
Notes on the Ballistic MOSFET
21 Nov 2005 | Papers | Contributor(s): Mark Lundstrom
When analyzing semiconductor devices, the traditional approach is to assume that carriers scatter
frequently from ionized impurities, phonons, surface roughness, etc. so that the average...
Electrical Conduction through Molecules
4.0 out of 5 stars
08 Jul 2003 | Papers | Contributor(s): Ferdows Zahid, Magnus Paulsson, Supriyo Datta
In recent years, several experimental groups have reported measurements of the current-voltage (I-V) characteristics of individual or small numbers of molecules. Even three-terminal measurements...
Resistance of a Molecule
29 Apr 2003 | Papers | Contributor(s): Magnus Paulsson, Ferdows Zahid, Supriyo Datta