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Nicholas Winograd

Nicholas Winograd, the Evan Pugh professor of chemistry.

Internationally regarded for his work in surface science, he has advanced the combined techniques of particle bombardment of solids and multiphoton resonance ionization (MPRI). Particle bombardment forces atoms and molecules to eject from the surface into the gas phase. Then the MPRI technique is implemented in order to count the elemental type of single atoms, one by one. The practical application of the technique is in the electronic industry: Winograd's research will make it possible for more accurate detection of small amounts of impurities in solids.

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Taken on April 16, 2008