أرسل هذا في رسالة قصيرة: Raman spectroscopy of two-dimensional Bi2TexSe3-x platelets produced by solvothermal method

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