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            _____     _____     ______    _  _   
  ____     |  ___||  / ____||  /_   _//  | \| || 
 |    \\   | ||__   / //---`'   -| ||-   |  ' || 
 | [] ||   | ||__   \ \\___     _| ||_   | .  || 
 |  __//   |_____||  \_____||  /_____//  |_|\_|| 
 |_|`-`    `-----`    `----`   `-----`   `-` -`  
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發送短信 : Induced ferromagnetism at BiFeO3/YBa2Cu3O7 interfaces