發送短信 : Ferroelectric lead scandium tantalate from mechanical activation of mixed oxides

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