Text this: Influences of perpendicular compressive stress on the dielectric and ferroelectric properties of electrostrictive and piezoelectric Pb (Mg1/3 Nb2/3) O3 -PbTiO3 ceramics

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