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 / ____|| | || | || | \  / || | || | ||   ____    
/ //---`' | || | || |  \/  || | || | ||  |    \\  
\ \\___   | \\_/ || | .  . || | \\_/ ||  | [] ||  
 \_____||  \____//  |_|\/|_||  \____//   |  __//  
  `----`    `---`   `-`  `-`    `---`    |_|`-`   
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Text this: Ab-initio study of donor-acceptor codoping for n-type CuO