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Scientists at Argonne National Laboratory and Northwestern University are interested in what happens when they squeeze particles that are very, very small – on the scale of a thousand times smaller than a red blood cell. In a computer simulation, a silicon nanoparticle (blue atoms) is being compressed by a sea of argon (green) atoms. This image shows the view from inside a Si nanoparticle. These calculations, along with experiments, both show changes in the way light is emitted when a silicon nanoparticle is under high pressure.
Journalists wishing to reproduce this image for news stories about related research should include the following image credit: Rees Rankin (Argonne National Laboratory), Daniel Hannah (Northwestern University), Maria Chan (ANL), George Schatz (NU) and Rich Schaller (ANL).