Describe the photoelectric effect and explain how XPS is used
for chemical analysis. List the similarities...
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Mechanical Engineering
Describe the photoelectric effect and explain how XPS is usedfor chemical analysis. List the similarities and differencesbetween XPS and AES. Â
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The photoelectric effect is a phenomenon in physics The effect is based on the idea that electromagnetic radiation is made of a series of particles called photons When a photon hits an electron on a metal surface the electron can be emitted The emitted electrons Xray Photoelectron Spectroscopy XPS also known as Electron Spectroscopy for Chemical Analysis ESCA is the most widely used surface analysis technique because it can be applied to a broad range of materials and provides valuable quantitative and chemical state information from the surface of the
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