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  _____     _____                ___       _____  
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 `-----`   `-----`      -|_||   `---`   `-----`   
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Text this: Effects of Dy substitution for Bi on phase, microstructure and dielectric properties of layer-structured Bi<inf>4-x</inf>Dy<inf>x</inf>Ti<inf>3</inf>O<inf>12</inf>ceramics