發送短信 : Structure, synthesis, and properties of single-metal-atom chains

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