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ion-scattering spectroscopy, ion scattering spectroscopy, ISS
1. A surface analysis technique in which a surface is bombarded with a beam of ionized inert gas and the energy of the scattered ions is measured in order to identify surface atoms.
2. A spectroscopic technique in which a low-energy (about 1,000 electronvolts) beam of inert-gas ions are directed at a surface, and the energies and scattering angles of the scattered ions are used to identify surface atoms.
This entry is located in the following unit: ion, ion- + (page 9)