Cover: SEM micrographs (3000x) of as-prepared AlN powders from Al powders with NH4Cl = 50% and 600 °C for 5 min followed by 700 °C for 5 min, in N2 plasma. [M-C. Sung, Y-M. Kuo, L-T. Hsieh, C-H. Tsai: Two-stage plasma nitridation approach for rapidly synthesizing aluminum nitride powders. p. 1279].