Researchers at the EPFL (Ecole Polytechnique Federale de Lausanne) have developed a new machine that can reveal how electrons behave inside a single nano-object. The results from initial tests on pyramidal gallium-arsenide quantum dots are presented in an article in the November 24 issue of Nature.
Hiding in the lab behind a dramatic black curtain, the hardware setup is not particularly imposing. It doesn’t look expensive. Nonetheless, this machine in EPFL’s Laboratory of quantum optoelectronics took four years to perfect and represents an equipment investment of more than a million Swiss francs.
It is an ingenious combination of technologies onto a single powerful platform. It will improve our understanding of the dynamics that rule the nanoscale world, perhaps opening doors to exploiting the physics of nanoscale phenomena for practical ends.
Benoit Deveaud-Pledran | EurekAlert!
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