أرسل هذا في رسالة قصيرة: Effective photoconductivity of exfoliated black phosphorus for optoelectronic switching under 1.55 μm optical excitation

             ___     __   __     ___     _    _   
  ____      / _ \\   \ \\/ //   / _ \\  | \  / || 
 |    \\   | / \ ||   \   //   | / \ || |  \/  || 
 | [] ||   | \_/ ||   / . \\   | \_/ || | .  . || 
 |  __//    \___//   /_//\_\\   \___//  |_|\/|_|| 
 |_|`-`     `---`    `-`  --`   `---`   `-`  `-`  
 `-`