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Low temperature XPS and AES studies of O2 adsorption on Al(100)
Affiliation:1. Tech Institute of Advanced Materials & College of Materials Science and Engineering, Nanjing Tech University, 210009, Nanjing, China;2. ICMA, CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain;1. Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;2. Department of Aerospace Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;3. Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;4. Laboratory of Biocomposite Technology, Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;5. Department of Metallurgy and Materials Engineering, Faculty of Engineering, Kirikkale University, Kirikkale, Turkey
Abstract:Adsorption of O2 on Al(100) at 80 K was studied by means of Auger and XP spectroscopies. At low surface coverages AlxOy oxides were formed with x : y ratios from 3 : 1 to 1 : 1, depending on surface coverage. At higher coverages or heating to room temperature the oxide layer transformed to the familiar Al2O3.
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