Authors: George Rajna
A research group led by Prof. Fu Qiang and Prof. Bao Xinhe at the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS) have developed near ambient pressure photoemission electron microscopy (AP-PEEM) with a tunable deep-ultraviolet (DUV) laser source as the excitation source.  Semiconductors convert energy from photons (light) into an electron current. However, some photons carry too much energy for the material to absorb. These photons produce "hot electrons," and the excess energy of these electrons is converted into heat.  Researchers at Heriot-Watt University, in collaboration with researchers from the University of Toulouse, France, have proposed a novel framework that combines statistical models with highly scalable computational tools from the computer graphics community to accurately extract the 3-D information in real-time (50 frames per second).  The team is now working to make the device even smaller by shortening the distance between the silicon disk and the gold membrane. This would further reduce signal loss, making the technology even more appealing to industry.  When the energy efficiency of electronics poses a challenge, magnetic materials may have a solution. 
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[v1] 2019-11-16 07:04:28
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