發送短信 : A review on organic spintronic materials and devices: II. Magnetoresistance in organic spin valves and spin organic light emitting diodes

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