DepartmentofPhysics;
JilinUniversity;
Changchun130023//NortheastChinaInstituteofElectricPowerEngineering;
Jilin132012;
DepartmentofPhysics;
JilinUniversity;
Changchun130023;
DepartmentofPhysics;
JilinUniversity;
Changchun130023//CentrefortheCondensed-MatterScienceandTechnology;
HarbinInstituteofTechnology;
Harbin150001//;