أرسل هذا في رسالة قصيرة: 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

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