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Specific Process Knowledge/Characterization/Element analysis: Difference between revisions

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XPS is an excellent technique to probe the chemical state of atoms on a surface. The binding energy of lower lying atomic levels (for example 1s, 2s and 2p) are at a specific energy, but it is slightly affected by the chemical environment of the probed atom. This is known as the '''chemical shift''', and the information from measuring the shift of the electron binding energies can be used to know the chemical state of atoms.
XPS is an excellent technique to probe the chemical state of atoms on a surface. The binding energy of lower lying atomic levels (for example 1s, 2s and 2p) are at a specific energy, but is slightly affected by the chemical environment of the probed atom. This is known as the '''chemical shift''', and the information from measuring the shift of the electron binding energies can be used to know the chemical state of atoms.
 
 


== Comparison of EDX, SIMS and XPS ==
== Comparison of EDX, SIMS and XPS ==