News tagged with free electrons

Photoexcited graphene puzzle solved

Light detection and control lies at the heart of many modern device applications, such as smartphone cameras. Using graphene as a light-sensitive material for light detectors can offer significant improvements with respect ...

dateJun 04, 2018 in Nanomaterials
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The photoexcited graphene puzzle solved

Light detection and control lies at the heart of many modern device applications, such as the cameras in phones. Using graphene as a light-sensitive material for light detectors offers significant improvements with respect ...

dateMay 14, 2018 in Nanomaterials
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Hard X-ray flash breaks speed record

Reactions in solar panels, catalytic converters, and other devices are governed by the quick motion of electrons. To capture the movement of these electrons, scientists use pulses of extremely high energy x-rays. The challenge ...

dateApr 10, 2018 in Optics & Photonics
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Playing billiards with a laser beam

A research team led by physicists at LMU Munich reports a significant advance in laser-driven particle acceleration. Using tiny plastic beads as targets, they have produced proton bunches that possess unique features, opening ...

dateJan 31, 2018 in General Physics
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