Text this: Excellent dielectric constants observed in heterogeneous conduction Ba(Zr<inf>0.25</inf>Ti<inf>0.75</inf>)O<inf>3</inf>ceramics doped with Sr(Fe<inf>0.5</inf>Nb<inf>0.5</inf>)O<inf>3</inf>

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| \\_/ || |  ___  ||  / . \\  |  ___  ||  _| ||   
 \____//  |_||  |_|| /_//\_\\ |_||  |_|| /__//    
  `---`   `-`   `-`  `-`  --` `-`   `-`  `--`