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            ______  __    __    _____    _____    
  ____     /_   _// \ \\ / //  |  ___|| |  __ \\  
 |    \\    -| ||-   \ \/ //   | ||__   | |  \ || 
 | [] ||    _| ||_    \  //    | ||__   | |__/ || 
 |  __//   /_____//    \//     |_____|| |_____//  
 |_|`-`    `-----`      `      `-----`   -----`   
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Text this: Application of Bond-valence Modelling Method for Illustration of Point Defects in Semiconductors