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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 /_   _//   / _ \\   /_   _//   / _ \\   / ____|| 
 `-| |,-   / //\ \\    | ||    / //\ \\ / //---`' 
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   |_||   |_||  |_|| /__//    |_||  |_|| \_____|| 
   `-`'   `-`   `-`  `--`     `-`   `-`   `----`