Updated: 11/24/2005; 11:39:44 PM.

Nanoscale technology
Interesting tech developments in nanotech, nanostructured materials, etc.


daily link  Wednesday, September 15, 2004


Nanotechnology improves superconductors: "University of California scientists working at Los Alamos National Laboratory with a researcher from the University of Cambridge have demonstrated a simple and industrially scaleable method for improving the current densities of superconducting coated conductors in magnetic field environments. The discovery has the potential to increase the already impressive carrying capacity of superconducting wires and tapes by as much as 200 to 500 percent in certain uses, like motors and generators ..

Superconducting wires and tapes carry hundreds of times more electrical current than conventional copper wires with little or no electrical resistance. Superconducting technology is poised to bring substantial energy efficiencies to electrical power transmission systems in the United States. Much of the excitement caused by this discovery is due to the fact that the process can be easily and economically incorporated into commercial processing of the superconductors. ..

Dean Peterson, leader of the STC, said, "This is a significant technical advancement because it means we are now beginning to understand how to control defects in these superconducting materials and use them to our advantage. This was the first time we have been able to control the structural defects and in doing so, better engineer the material's structure to optimize performance." .. Scientists discovered that small, nanoscale defects are required to maintain high current densities in superconductors, particularly in the presence of high magnetic fields. "

  12:38:57 AM  permalink  

 
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Copyright 2005 © Ken Novak.
Last update: 11/24/2005; 11:39:44 PM.