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

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Text this: Experimental evidences of topological surface states of β-Ag2Te