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

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Text this: On the origin of the electron blocking effect by an n-type AlGaN electron blocking layer