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Milano-Bicocca: a significant discovery for semiconductors

The researchers of Milano-Bicocca University collaborated to a project carries out by a team of the California Institute of Technology in Pasadena, led by the Nobel Prize for chemistry Ahmed H. Zewail, which lead to an interesting discovery.

Energy travels faster through nanostructured semiconductors smaller than 15 nanometres. Within this dimensions in fact, energy moves with a bullet-like precision following “ballistic” trajectories, not in a chaotic manner such as in larger dimensions.

The study was published in the November 2014 issue of the magazine Nano Letters, featuring on its cover. Specifically, nanostructured semiconductors, smaller than 15nm on which the experiments was based upon, were devised by Stefano Sanguinetti and Sergio Bietti of the Ateneum’s Department of Materials Science, where the internationally recognised, specialised checks of the materials on a nanometric level was developed. This semiconductors -quantum dots- on atomic force microscopy‘s images look like isolated dunes in the desert.

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