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Snapshots of firework in nanoparticles: Beyond conventional ultrafast spectroscopy

A Holy Grail of ultrafast science and technology is to image the changing structure of matter at the nanoscale during the interaction with light. An international collaboration used intense laser pulses delivered by the FLASH free-electron laser for X-ray scattering from nanoparticles. The goal was to look into ultrafast electronic processes during the nanoplasma formation where conventional spectroscopy techniques are inherently blind.

Mar 14th, 2012

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Barrier to faster graphene devices identified and suppressed

A team of Vanderbilt physicists reports that they have nailed down the source of the interference inhibiting the rapid flow of electrons through graphene-based devices and found a way to suppress it. This discovery allowed them to achieve record-levels of room-temperature electron mobility - the measure of the speed that electrons travel through a material - three times greater than those reported in previous graphene-based devices.

Mar 13th, 2012

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Semiconductors in personalized medicine

The IET's flagship journal, Electronics Letters, has published a special supplement on the subject of Semiconductors in Personalised Medicine, available FREE online (until the end of June 2012).

Mar 13th, 2012

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Merck and the University of Erlangen-Nuremberg cooperate in the field of new hybrid materials for more energy-efficient processes

Merck and the Cluster of Excellence Engineering of Advanced Materials at Friedrich-Alexander-University Erlangen-Nuremberg (FAU) have today announced their cooperation in the field of new hybrid materials for more energy-efficient processes. This new strategic cooperation centers on catalytic conversion, gas purification and new functional surfaces.

Mar 13th, 2012

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Increasing photoconversion efficiency of DSSC

Researchers at the National Nanotechnology Center (NANOTEC), Chulalongkorn University, and Stanford University have successfully synthesis titania nanoparticles and carbon nanotubes (CNT) using hydrothermal process to provide the highest photoconversion efficiency.

Mar 13th, 2012

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Touch of gold improves nanoparticle fuel-cell reactions

Chemists at Brown University have created a triple-headed metallic nanoparticle that reportedly performs better and lasts longer than any other nanoparticle catalyst studied in fuel-cell reactions. The key is the addition of gold: It yields a more uniform crystal structure while removing carbon monoxide from the reaction.

Mar 12th, 2012

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