Text this: Effect of Sr surface segregation of La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3 − δ electrode on its electrochemical performance in SOC

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