發送短信 : H2 adsorption on K decorated germanene surface: An ab-initio investigation

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