Text this: Preparation of ferrimagnetic BF based silicate glass system

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