Graphene is a single-atomic carbon sheet with a hexagonal honeycomb network (Fig. 1). Electrons in graphene take a special electronic state called Dirac-cone where they behave as if they have no mass. This allows them to ...
Nanomaterials
Feb 16, 2016
0
105
Soils affected by wildfires undergo significant changes within one year after a fire with that same soil partially regenerating after around five years, according to a study examining how semi-arid soils recover from natural ...
Environment
Feb 8, 2016
0
9
A Franco-German cooperation has investigated a sandwich system of transition metal oxides at BESSY II. The scientists discovered a new option to control properties of the interface between the two layers, for instance the ...
Condensed Matter
Feb 4, 2016
0
12
Magnetic storms can interfere with the operation of electric power grids and damage grid infrastructure. They can also disrupt directional drilling for oil and gas, radio communications, communication satellites and GPS systems.
Earth Sciences
Jan 8, 2016
6
79
Some materials that are inherently disordered display unusual conductivity, sometimes behaving like insulators and sometimes like conductors. Physicists have now analysed the conductivity in a special class of disordered ...
Condensed Matter
Dec 2, 2015
0
10
Supercapacitors can be charged and discharged tens of thousands of times, but their relatively low energy density compared to conventional batteries limits their application for energy storage. Now, A*STAR researchers have ...
Nanomaterials
Nov 18, 2015
0
49
The improvement of thermoelectric materials that can directly convert wasted heat to electric energy may lead to one of the solutions for energy issues. For high performance in thermoelectric materials, it's required to easily ...
Nanophysics
Nov 9, 2015
0
60
Imagine illuminating your home or business with flat, inexpensive panels that are environmentally friendly, easy on your eyes, and energy-efficient because they create minimal heat.
Optics & Photonics
Sep 4, 2015
1
75
(Phys.org)—A team of researchers working at Rensselaer Polytechnic Institute has found a way to create a graphene fiber that is stronger and maintains conductive properties better than prior efforts. In their paper published ...
If you don't want to freeze in your electric car, you have to make a few concessions, because heating devours a substantial portion of power supply. Fraunhofer researchers will exhibit the demo model of a highly energy-efficient ...
Energy & Green Tech
Sep 2, 2015
13
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