Science news articles about 'semiconductor surfaces'

... -size bits of graphene on atomically clean semiconductor surfaces like silicon. Then they used a scanning ... -nanometer piece of graphene will change the material from a semiconductor into a metal," Lyding said. "And a transistor based on that, will not work ...

... . Frank Dimroth. „We have improved both the structure of the semiconductor as well as the material quality, the metal contacts ... to conventional solar modules - only one five-hundredth of the semiconductor surface will be needed. The cells within their own ...

... , silicon, which is at the present stage the most commonly used material in semiconductor technology, reaches however a limit, preventing ... -like material must however be manufactured on semiconductor surfaces instead of metal ones. The researchers have simulated ...

... ,* is a new twist on a common terahertz source, a semiconductor surface patterned with metal electrodes and excited ... sapphire crystal but could be made more compact by use of a different semiconductor and a smaller fiber laser, says senior author ...

... have increased coupling strength when confined to nanoscale semiconductors. This represents a promising advance in the field of photonics ... method used to fabricate the devices damages the semiconductor surface. The defects on the surface trap the excitons and render ...

... . The Illinois researchers' new technique can monitor a semiconductor's surface as it is etched, in real time, with nanometer ... is purely optical, so there's no contact with the semiconductor surface and the researchers can monitor the whole wafer ...

... challenges has been the reliability of the nanometer-scale tips, especially with performing nano-writing on hard, semiconductor surfaces. Now, researchers at the University of Illinois ...