أرسل هذا في رسالة قصيرة: Structure and electronic properties of 2D transition metal dichalcogenides : first principles study

 _    _     ______             _    _     _____   
| || | ||  /_   _//     ___   | || | ||  / ____|| 
| || | ||   -| ||-     /   || | || | || / //---`' 
| \\_/ ||   _| ||_    | [] || | \\_/ || \ \\___   
 \____//   /_____//    \__ ||  \____//   \_____|| 
  `---`    `-----`      -|_||   `---`     `----`  
                         `-`