A Single Atom Transistor Nature Nanotechnology
At the same time, the device of the Karlsruhe team of researchers marks the lower limit of miniaturization, as feature sizes smaller than one atom cannot be produced lithographically.. The invention of semiconductor transistors in the 1940s revolutionized electronic circuitry.. In the new world of 'nanoelectronics a transistor whose active component is a single atom has now.. A single - atom transistor created by very accurately positioning a phosphorus atom on a silicon surface is reported in a paper published online this week.. The work represents the smallest transistor created to date.. A single - atom transistor..