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

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Text this: Sunlight photocatalytic performance of Mg-doped nickel ferrite synthesized by a green sol-gel route