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 _____       ___     _    _      ___              
|  __ \\    / _ \\  | || | ||   / _ \\      ___   
| |  \ ||  | / \ || | || | ||  / //\ \\    /   || 
| |__/ ||  | \_/ || | \\_/ || |  ___  ||  | [] || 
|_____//    \___//   \____//  |_||  |_||   \__ || 
 -----`     `---`     `---`   `-`   `-`     -|_|| 
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Text this: Surface composition of clean and oxygen-covered Au3Cu alloy