Text this: Influence of bias power and doping of Si on hardness and toughness of CrAlN

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