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  ______   __   __    ____      _____     ______  
 /_____//  \ \\/ //  |  _ \\   |  ___||  /_   _// 
 `____ `    \ ` //   | |_| ||  | ||__    `-| |,-  
 /___//      | ||    | .  //   | ||__      | ||   
 `__ `       |_||    |_|\_\\   |_____||    |_||   
 /_//        `-`'    `-` --`   `-----`     `-`'   
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發送短信 : Carrier concentration saturation in n type AlxGa1-xAs