(Phys.org) —Although scientists continue to discover the remarkable electronic   
   properties of nanomaterials such as graphene and transition metal   
   dichalcogenides, the way that electric current flows at this scale is not well   
   understood. In a new study,    
   scientists for the first time have investigated exactly how a current flows   
   through multilayer 2-D materials, and found that current flow in these   
   materials is very different than current flow in 3-D materials and cannot be   
   explained with conventional    
   models. This understanding could guide researchers in designing future   
   nanoelectronics devices.    
      
   The researchers, Saptarshi Das and Joerg Appenzeller at Purdue University in   
   West Lafayette, Indiana, have published their paper on current flow in 2-D   
   layered materials in a recent issue of Nano Letters.   
      
    Read more at: http://phys.org/news/2013-07-scientists-electric-   
   urrent-multilayer-d.html#nwlt   
      
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