發送短信 : Composition range and electrical properties of the morphotropic phase boundary in 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>0.7</inf>Sr<inf>0.3</inf>)TiO<inf>3</inf> system

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