"One end comprised the arsenic atom embedded in the silicon ... program NEMO 3-D to simulate the material at the size of 3 million atoms. "We needed to model such a large number of atoms to see the ...

Fence sitter: A computer model shows an arsenic atom with an electron that’s in two distinct quantum states at the same time. An international team of researchers experimentally confirmed the ...

(Nanowerk News) Researchers at UCL (University College London) have created one-atom-thick ribbons made of phosphorus alloyed with arsenic that could dramatically improve the efficiency of devices ...