[1] College of Communications and Electronics Engineering, Qiqihar University, Heilongjiang,161006, China
[2] College of Materials Science and Engineering, Qiqihar University, Wenhua Street 42, Qiqihar, China
[3] Department of Physics, Department of Materials Science and Engineering, Department of Biomedical Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon,Hong Kong, China