發送短信 : Systematic variations in structural and electronic properties of BiFeO3 by A-site substitution

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