Nanotechnology Research News
    RF Polymer Composites for Electromagnetic Systems
  Design of polymer composites with specific engineered electromagnetic properties are of use in a variety of physical electromagnetic systems above 100 MHz. In physical electromagnetic systems such as GPS, radomes, WiFi, etc., proper choice of the material can be transformative in that it can yield considerably better performance. Of interest in this work is the possible development of low-loss magneto-dielectric composites. READ MORE (HTML)  |  (DOWNLOAD PDF)
     
    Glitter-sized solar photovoltaics produce competitive results
Representative thin crystalline-silicon photovoltaic cells – these are from 14 to 20 microns thick and 0.25 to 1 millimeter across.  

ALBUQUERQUE, N.M. — Sandia National Laboratories scientists have developed tiny glitter-sized photovoltaic cells that could revolutionize the way solar energy is collected and used. 

The tiny cells could turn a person into a walking solar battery charger if they were fastened to flexible substrates molded around unusual shapes, such as clothing.  The solar particles, fabricated of crystalline silicon, hold the potential for a variety of new applications. They are expected eventually to be less expensive and... READ MORE (HTML)
     
    Mini generators make energy from random ambient vibrations
Image: PFIG  
ANN ARBOR, Mich.—Tiny generators developed at the University of Michigan could produce enough electricity from random, ambient vibrations to power a wristwatch, pacemaker or wireless sensor.

The energy-harvesting devices, created at U-M's Engineering Research Center for Wireless Integrated Microsystems, are highly efficient at providing renewable electrical power from arbitrary, non-periodic vibrations. This type of vibration is a byproduct of traffic driving on bridges..
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