The smallest transistor ever built — in fact, the smallest transistor that can be built — has been created using a single phosphorus atom by an international team of researchers.
Quoted from Single-atom transistor is end of Moore’s Law; may be beginning of quantum computing on ScienceDaily: Top News
Worlds Smallest Single Atom Transistor A group of researchers including Michelle Simmons and her colleagues developed a single phosphorus atom transistor Centre researchers set world record simulating quantum power. CQC2T scientists from the University of Melbourne have set a world record in simulating Nebraska's Xiao Cheng Zeng and colleagues have identified several overlooked factors critical to the performance catalysts: individual atoms Tags: simple, equation, directs, creation, Quantum puting | Centre for Pr Michelle Y. Simmons. Scientia Pressor Physics, University New South Wales Australian Research Council Laureate Fellow BSc Phys, BSc Chem, PhD Opli Optoelectronics, Photonics, Imaging, Optical gn, Lasers, and Electro Optics portal and magazine