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Narrowest bridges of gold are also the strongest, study finds
Date:7/13/2011

evolution of various physical properties of materials -- including mechanical, magnetic and magneto-transport behavior -- as sample sizes grow from a single atom to bulk.

This complicated task requires technology capable of capturing a single or few atoms between probes, and further pushing and pulling on the atoms to study their response.

The sophisticated technology that Armstrong, Hua and Chopra invented and built to accomplish the research was recently licensed to Precision Scientific Instruments Inc., a Western New York start-up company founded by the leaders of Murak & Associates LLC, a management consulting practice; SoPark Corporation, an electronics service manufacturer (ESM); and The PCA Group, Inc., a consulting firm that offers total technology solutions.

"The instruments and methods are incredibly precise and capable of deforming the sample at the picometer scale (about 100 times smaller than an atom), which means literally stretching the bond lengths, and simultaneously measuring the forces at the piconewton level, as well as various other properties. As a very broad perspective, by enabling researchers to probe the very small, the technology could speed advances in fields ranging from satellite communications to health care," said Gerry Murak, president and cofounder of Precision Scientific Instruments, Inc.

"Small is exciting, and atomic scale devices are the new frontier of technology. Metrology systems capable of probing the behavior of atomic-scale devices are sorely needed, and this technology gives us a unique platform," Murak said.


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Contact: Charlotte Hsu
chsu22@buffalo.edu
716-645-4655
University at Buffalo
Source:Eurekalert  

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