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

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Text this: Lanthanide-based graded barrier structure for enhanced nanocrystal memory properties