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Scientists find flaw in quantum dot construction

12:06 PM - February 13, 2005 by Wolfgang Gruener
Source: Tom's Hardware US – Keywords: scientists, find, flaw, quantum, dot, construction
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Nanoscientists dream of developing a quantum computer, a device the size of a grain of sand that could be faster and more powerful than today's PCs. They've identified tiny artificial atoms - called "quantum dots" - as the most likely materials to build these machines, but have been puzzled by the dots' unpredictable behavior at the nanoscale.

Now a team of Ohio University physicists thinks it's found the problem - and has proposed a blueprint for building a better quantum dot. The researchers, who published their findings in this week's issue of Physical Review Letters, argue that defects formed during creation of the quantum dots operate as a barrier to scientific experimentation.

Read the complete story . (PhysOrg.com)


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