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The reliability of material simulations put to test

Several international scientists from over 30 universities and institutes teamed to investigate to what extent quantum simulations of material properties agree when they are performed by different researchers and with different software.

Posted: Apr 25th, 2016

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Large rectification in molecular heterojunctions

Researchers demonstrate that rectification ratios of greater than 250 at biases of 0.5 V are achievable at the two-molecule limit for donor-acceptor bilayers of pentacene on C60 on Cu using scanning tunneling spectroscopy and microscopy.

Posted: Apr 22nd, 2016

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Attosecond physics: New movies from the microcosmos

With the aid of terahertz radiation, Munich physicists have developed a method for generating and controlling ultrashort electron pulses. With further improvements, this technique should be capable of capturing even electrons in motion.

Posted: Apr 22nd, 2016

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Atoms placed precisely in silicon can act as quantum simulator

In a proof-of-principle experiment, researchers have demonstrated that a small group of individual atoms placed very precisely in silicon can act as a quantum simulator, mimicking nature - in this case, the weird quantum interactions of electrons in materials.

Posted: Apr 22nd, 2016

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Manipulating light inside opaque layers

Light propagating in a layer of scattering nanoparticles, shows the principle of diffusion. The deeper light is penetrating into the layer, the lower the energy density. Scientists managed to turn this falling diffusion curve into a rising one, by manipulating the incident light.

Posted: Apr 22nd, 2016

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