Fabrication of Polycrystalline Transparent Co+2: MgAl2O4 by a Combination of Spark Plasma Sintering (SPS) and Hot Isostatic Pressing (HIP) ProcessesMaxim Sokol, Sergey Kalabukhov and Nahum FrageMATEC Web Conf., 109 (2017) 03002DOI: https://doi.org/10.1051/matecconf/201710903002