Decomposition of Copper Compounds in X-Ray Photoelectron Spectrometers

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Six Cu compounds were analyzed in three different x-ray photoelectron spectrometers (AEI-ES200, LHS-10, and HP-5950A), each equipped with a different type of AI Kα x-ray source, to determine the cause of reduction of copper salts in photoelectron spectrometers. The monochromatic source used in the HP 5950A spectrometer did not cause sample degradation. Significant sample degradation was observed in the AEI ES200, which was attributed to the radiative heating from the x-ray gun. The LHS-10 spectrometer, which utilizes a water-cooled x-ray housing, afforded significantly less sample reduction than the AEI ES200 spectrometer.

Keywords: ESCA; Surface analysis; Techniques, spectroscopic

Document Type: Research Article


Affiliations: 1: Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260; present address: Texaco Inc., P.O. Box 509, Beacon, NY 12508 2: Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260 3: Exxon Research and Engineering Company, Linden, New Jersey 07036

Publication date: September 1, 1984

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