أرسل هذا في رسالة قصيرة: Investigation on Surface Polarization of Al2O3-capped GaN/AlGaN/GaN Heterostructure by Angle-Resolved X-ray Photoelectron Spectroscopy

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