發送短信 : Large electric field-induced strain and piezoelectric responses of lead-free Bi<inf>0.5</inf>(Na<inf>0.80</inf>K<inf>0.20</inf>)<inf>0.5</inf>TiO<inf>3</inf>-Ba(Ti<inf>0.90</inf>Sn<inf>0.10</inf>)O<inf>3</inf> ceramics near morphotropic phase boundary

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