A record-breaking superatomic semiconductor material allows particles to traverse it between 100 and 1000 times faster than electrons pass through a silicon chip
A “superatomic” material has become the fastest semiconductor known and could lead to computer chips that are hundreds or thousands of times speedier than anything available today.
The silicon semiconductors used in transistors in computer chips rely on the flow of electrons to transmit data, but these particles tend to scatter wildly, wasting energy in heat and slowing the time taken for data to get from A to B.at Columbia University in New York and his colleagues have discovered a faster and more efficient semiconductor in a material with the chemical formula Re.
If a transistor that uses excitons rather than electrons could be made with this new material, then they would make it from one side of the transistor to the other without scattering, which would allow them to travel from A to B somewhere between 100 and 1000 times faster than electrons in a silicon chip.
a gigahertz processor, currently, in principle, you could go to hundreds of gigahertz or maybe a terahertz in terms of switching speed of your transistor ,” says Delor. “In principle, we’ve predicted the performance gains to be huge.” A working computer chip using this material is several decades away, says Delor. Engineers have had decades to perfect silicon chip manufacturing techniques and switching to a new material would essentially send them back to square one. Rhenium is also one of the rarest elements in Earth’s crust – whereas silicon is the second most abundant – so chips made using Re
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