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

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