Text this: X-Ray Diffraction and Zn K -Edge XANES Studies of Perovskite Ferroelectric PZT-PZN Powders Derived from Zn <inf>2</inf>Nb<inf>34</inf>O<inf>87</inf> Precursor

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