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| Atomically thin, flexible, semi-transparent solar cells created Posted: 09 Mar 2014 12:05 PM PDT A lot of research has been done on graphene recently -- carbon flakes, consisting of only one layer of atoms. As it turns out, there are other materials too which exhibit remarkable properties if they are arranged in a single layer. One of them is tungsten diselenide, which could be used for photovoltaics. Ultrathin layers made of Tungsten and Selenium have now been created; experiments show that they may be used as flexible, semi-transparent solar cells.  |
| Silicon-germanium chip sets new speed record Posted: 18 Feb 2014 07:00 AM PST A research team has demonstrated the world's fastest silicon-based device to date. The investigators operated a silicon-germanium (SiGe) transistor at 798 gigahertz (GHz) fMAX, exceeding the previous speed record for silicon-germanium chips by about 200 GHz.  |
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