Text this: Diffusion in annealing of nanocrystalline Ni80Fe20/Cu composite wires

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