Introduction into X-ray and UV Photoelectron Spectroscopy (XPS/UPS)
Introduction into X-ray and UV Photoelectron Spectroscopy (XPS/UPS)
Introduction into X-ray and UV Photoelectron Spectroscopy (XPS/UPS)
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2,0x10 61,5x10 61,0x10 65,0x10 50,0Au NVVAu 4d100 200 300 400 500 600E kin [eV]Au 4fAu 5pVBsurface sensitive databulk sensitive datahν=190eVhν=630eVbulk sensitive data:the oxidic signal exceeds the metallic Ausignal;counts [a.u.]Au 2O 3Au met(b)surface sensitive data:metallic signal more intense than oxidicsignal.(a)(c)(b)(a)90 85 80 75E B[eV]95 90 85 80E B[eV]Au 2O 3: Au 4f 7/2 at 85.7eV binding energy,Au (metallic) Au 4f at 84eV,chemical shift = 1.7eVA. Vollmer, unpublished resultsAu(111)intensity [arb.u]
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