School;
of;
Sciences,;
Lanzhou;
University;
of;
Technology,;
Lanzhou;
730050,;
China;
Department;
of;
Physics;
and;
Institute;
of;
Biophysics,;
Central;
China;
Normal;
University,;
Wuhan;
430079,;
China;
College;
of;
Mechano-Electronic;
Engineering,;
Lanzhou;
University;
of;
Technology,;
Lanzhou;
730050,;
China;