News tagged with light pulses

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Freezing electrons in flight

(Phys.org)—Using the world's fastest laser pulses, which can freeze the ultrafast motion of electrons and atoms, University of Arizona physicists have caught the action of molecules breaking apart and electrons ...

Oct 15, 2012
5 / 5 (7) 7 | with audio podcast

Solar cells made from black silicon

Solar cells convert three-quarters of the energy contained in the Sun's spectrum into electricity – yet the infrared spectrum is entirely lost in standard solar cells. In contrast, black silicon solar cells ...

Oct 01, 2012
3 / 5 (2) 1

A step forward for ultrafast spintronics

(Phys.org)—In spin based electronics the spin of the electron is used as a carrier of information. To meet the need for faster electronics, the speed must be increased as far as possible. Today, Uppsala physicists show ...

Sep 06, 2012
4.2 / 5 (9) 0 | with audio podcast