Mass Spectrometer #1
by Andrew Brookes, National Physical Laboratory
Title
Mass Spectrometer #1
Artist
Andrew Brookes, National Physical Laboratory
Medium
Photograph - Photograph
Description
Close-up of the portal to the sample tray of a secondary ion mass spectrometer (SIMS). This instrument is used to measure the surface of a sample. An ion beam of argon clusters is used to remove molecules from the sample's surface. The molecules are ionised and accelerated towards a detector. The time it takes them to reach the detector depends on their mass. Using the argon clusters allows the chemistry of nanostructures to be reconstructed in high definition 3D molecular images. Photographed at the National Physical Laboratory, Teddington, UK.
Uploaded
July 11th, 2016
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