أرسل هذا في رسالة قصيرة: Piezoelectric and ferroelectric properties 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<inf>0.98</inf>Nd<inf>0.20</inf>)TiO<inf>3</inf> binary system

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