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

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Text this: Fracture and toughening mechanisms in nanotwinned and nanolayered materials