News
First laser effect observed in germanium direct bandgap
A collaboration of researchers from C2N and STMicroelectronics has obtained, for the first time, a laser effect with germanium as active material thanks to direct alignment of the electronic band diagram. Until now, this material was known to be ...
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Coupled nano-oscillators capable of recognizing vowels according to a learning rule
Physicists have succeeded in fabricating a network of four coupled nano-oscillators capable of recognizing spoken vowels by tuning their frequencies according to an automatic rule of real-time learning. They show that high experimental recognition rates are a result of ...
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Observing the growth of crystals in a transmission electron microscope
A unique instrument has been developed to grow nanocrystals by molecular beam epitaxy in a transmission electron microscope. The crystal formation is observed in situ and in real time with the atomic resolution. Nanotechnology uses nano-sized crystalline materials ...
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Taming sound at the nanoscale
Physicists have proposed a new way to control the propagation of sound at the nanoscale. They put in evidence new ways of trapping sound at the interface between two chains of nano-resonators. Topology offers new degrees of freedom ...
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Photonic integrated circuits for gas detection
News (in French) from Institut des sciences de l'ingénierie et des systèmes (INSIS) of CNRS - 15 october 2018 Mid-infrared (mid-IR) spectroscopy is a nearly universal way to identify chemical and biological substances. Researchers from the Centre de ...
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