This image shows how a new simulation predicts current flow between silicon atoms and molecules depending on how the two materials are connected to each other. The graphs on the left are the simulation tools predictions and the graphs on the right are from data collected in experiments performed by other researchers. The comparison demonstrates that the simulation tools predictions are the same as the experimental data, proving that the tool is accurate. The tool will help researchers design "molecular electronic" devices for future computers and advanced sensors. (School of Electrical and Computer Engineering, Purdue University)
Engineers at Purdue University have created a nanotech simulation tool that shows how current flows between silicon atoms and individual molecules to help researchers design "molecular electronic" devices for future computers and advanced sensors.
Molecular electronics could make it possible to manufacture hardware by "growing" circuits and devices in layers that may "self-assemble," similar to the growth of structures in living organisms. Devices for a variety of applications might be fabricated using techniques based on chemical attractions rather than the complex, expensive processes now used to etch electronic circuits.
One challenge, however, in developing molecular electronics is to better understand how electricity is conducted between molecules and silicon contacts connecting various devices in a circuit, said Geng-Chiau Liang, a postdoctoral research assistant in Purdue’s School of Electrical and Computer Engineering.
Emil Venere | EurekAlert!
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