發送短信 : Piezoelectric and ferroelectric properties of lead-free Bi<inf>0.5</inf>(Na<inf>0.80</inf>K<inf>0.20</inf>)<inf>0.5</inf>TiO<inf>3</inf>-(Ba<inf>0.98</inf>Nd<inf>0.20</inf>)TiO<inf>3</inf> binary system

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| |/\| ||   -| ||-  | || | ||   \ ` //   | ' //  
|  /\  ||   _| ||_  | \\_/ ||    | ||    | . \\  
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`-`   `-`  `-----`    `---`      `-`'    `-` --`