Department of Physics Northeast Petroleum University Daqing 163318 China;
The School of Instrumentation Science and Engineering Harbin Institute of Technology Harbin 150001 China;
The School of Instrumentation Science and Engineering Harbin Institute of Technology Harbin 150001 China;
Department of Mathematics and Materials Research Institute The Pennsylvania State University University Park PA 16802 USA;
The School of Instrumentation Science and Engineering Harbin Institute of Technology Harbin 150001 China;
The School of Instrumentation Science and Engineering Harbin Institute of Technology Harbin 150001 China;
The School of Instrumentation Science and Engineering Harbin Institute of Technology Harbin 150001 China;
The School of Instrumentation Science and Engineering Harbin Institute of Technology Harbin 150001 China;
The School of Instrumentation Science and Engineering Harbin Institute of Technology Harbin 150001 China;
Department of Mathematics and Materials Research Institute The Pennsylvania State University University Park PA 16802 USA;