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  _____     ______     _____   __   __            
 |__  //   /_   _//   / ___//  \ \\/ //     ___   
   / //     -| ||-    \___ \\   \ ` //     /   || 
  / //__    _| ||_    /    //    | ||     | [] || 
 /_____||  /_____//  /____//     |_||      \__ || 
 `-----`   `-----`  `-----`      `-`'       -|_|| 
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Text this: Nanocrystalline maghemite (γ-Fe 2O 3) in silica by mechanical activation of precursors