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Trs: Oct 28: Yale Stores Data Mechanically, Hydrogen As Fuel Source, Nanoprinting On Patterned Surfaces

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      ----- Pesan yang Diteruskan -----
      Dari: NILT Nano News <newsletter@...>
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      Dikirim: Jumat, 28 Oktober 2011 6:44
      Judul: Oct 28: Yale Stores Data Mechanically, Hydrogen As Fuel Source, Nanoprinting On Patterned Surfaces

       
      Week 43
      October 2011
      NILT Nano Newsletter
       
      Dear Colleagues, Unsubscribe - Receiving email nano_indonesia@...
      Research engineers at Yale University, led by professor Hong X. Tang, have succeeded in building a mechanical memory switch that is controlled and read by lasers. The memory switch is fabricated by making an oval free hanging silicon waveguide on an SOI wafer. Due to the pressures from both ends of the silicon waveguide introduced by the way the silicon is applied to the SOI wafer the waveguide buckles slightly upwards, like a toothpick squeezed slightly between two fingers. With a laser it was then possible to make the waveguide oscillate and change state – buckled up or buckled down. By using a suitable low frequency laser the researchers were able to make the waveguide stop in a predetermined state. Reading the buckled up or buckled down state is done by shining a low power laser into the device and measure the refractive index. The only real downside to the new device so far, is that it takes far more energy to make the switch move than in conventional non-mechanical memory switches. The results have been published in Nature Nanotechnology. Read this and the 7 other very interesting news below.
      Editor, CTO, NIL Technology
      Brian Bilenberg
        

      Yale Stores Data Mechanically
      Engineers at Yale University say they’ve invented a new type of mechanical memory device that is read from and written to by light. According to its creators, this development could lead to better sensors and new techniques in optical telecommunications.
      [Gizmodo.com]  

      Breakthrough Holds Promise For Hydrogen’s Use As Fuel Source
      Imagine your car running on an abundant, environmentally friendly fuel generated from the surrounding atmosphere. Sounds like science fiction, but UT Dallas researchers recently published a paper in the journal Nature Materials detailing a breakthrough in understanding how such a fuel – in this case, hydrogen – can be stored in metals.
      [UT-Dallas.edu]  

      Nanoprinting On Patterned Surfaces
      Nanosized features can easily be printed accurately onto an already patterned surface, using a new technique called nanoimprinting by melt processing developed by US scientists.
      [Nanotech-now.com]  



      E-Beam Costs To Soar In Multi-Patterning Era
      For years, electron-beam tools have been used to write the critical layers for a photomask, but these machines have been considered too slow and a bottleneck in mask production.
      [Semind.com]  

      Studying Bacteria Communication For Future Nanoscale Networks
      Think the future of communication is 4G? Think again. Researchers at the Georgia Institute of Technology are working on communication solutions for networks so futuristic they don’t even exist yet.
      [Physorg.com]  

      World’s First Printed Non-Volatile Memory Device
      Thin Film Electronics and PARC, a division of Xerox, have jointly developed a working model of a first-of-a-kind scalable, printed non-volatile memory device having organic circuits, the organic counterpart of CMOS circuitry.
      [Azonano.com]  



      Tiny Battery Is Also A Nanomotor
      Measuring just 3.6 micrometers long, one of the smallest batteries ever made won’t be powering our electronic devices anytime soon, but it does serve as a self-powered nanomotor that is surprisingly fast and efficient.
      [Physorg.com]  

      Nano Funnel Used To Generate Extreme Ultraviolet Light Pulses
      If you want to avoid spilling when you are pouring liquids in the kitchen you may appreciate a funnel. Funnels are not only useful tools in the kitchen. Light can also be efficiently concentrated with funnels. In this case, the funnels have to be about 10.000-times smaller.
      [ScienceDaily.com]  




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