机译:
College of Physics and Electronic Science,Hubei Normal University,Huangshi 435002,China;
College of Physics and Electronic Science,Hubei Normal University,Huangshi 435002,China;
College of Physics and Electronic Science,Hubei Normal University,Huangshi 435002,China;
Department of Material Science and Engineering,University of Science and Technology of China,Hefei 230026,China;