Faculty of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, P. R. China;
Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, P. R. China;
Faculty of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, P. R. China;
Faculty of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, P. R. China;
Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, P. R. China;
Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, P. R. China;
ultrafine powders; coating; microwave attenuation;