Accession Number : ADA538801


Title :   Surface Chemistry and Tribology of Copper Surfaces in Carbon Dioxide and Water Vapor Environments


Descriptive Note : Final rept. 30 Jan 2009-30 Jan 2011


Corporate Author : CALIFORNIA UNIV BERKELEY


Personal Author(s) : Salmeron, Miquel


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a538801.pdf


Report Date : 23 Feb 2011


Pagination or Media Count : 7


Abstract : By combining several in situ techniques, the surface chemistry of Cu and its related oxide surfaces have been systematically investigated under ambient and aqueous conditions. Using the state-of-the-art ambient pressure X-ray spectroscopy (AP-XPS), we have revealed that metallic copper, cuprous oxide (Cu20) and cupric oxide (CuO) exhibit strikingly different behaviors with regard to water (H20) and carbon dioxide (C02) adsorption in the presence of 0.5 Torr of gases. A novel in situ liquid X-ray absorption spectroscopic technique (XAS) has been developed to real time monitor the corrosion processes of Cu films in bicarbonate solution.


Descriptors :   *SURFACE CHEMISTRY , *WATER VAPOR , *CORROSION , *CARBON DIOXIDE , IN SITU ANALYSIS , TRIBOLOGY , BICARBONATES , OXIDES , ELECTROCHEMISTRY , ADSORPTION , ENVIRONMENTS , COPPER


Subject Categories : Inorganic Chemistry
      Physical Chemistry
      Properties of Metals and Alloys


Distribution Statement : APPROVED FOR PUBLIC RELEASE