X-ray Photoelectron Spectra of Aluminum Oxides: Structural Effects on the “Chemical Shift”

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Abstract:

The aluminum (2p) electron spectra of several anhydrous and “hydrous” aluminum oxides have been recorded, and the binding energies have been measured. A simple electrostatic model is employed to explain the observed shift in binding energy and relate it to differences in structure and hydrogen bonding. Two conclusions can be drawn: structural differences must be considered when interpreting photoelectron spectra for inorganic crystalline substances; and hydrogen bonding with anions may have a measurable effect on the binding energy of core electrons of the cations.

Keywords: Electron spectroscopy for chemical analysis; Hydrogen bonding; Photoelectron spectroscopy

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370273774333876

Affiliations: 1: United States Geological Survey, Washington, D.C. 20242 2: Center of Materials Research, University of Maryland, College Park, Maryland 20740 3: Chemistry Department, University of Maryland, College Park, Maryland 20740

Publication date: January 1, 1973

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