أرسل هذا في رسالة قصيرة: Nanocrystalline ferroelectric phases from mechanical activation of oxide compositions

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