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Crystal structures, thermodynamics characters and optical properties of pure 12CaO·7Al2O3 (C12A7) and Ho3+/Er3+ co-doped C12A7 (C12A7-Ho3+/Er3+) derivatives have been studied using XRD, DSC/TG and Raman spectra analysis, respectively. Testing samples were sintered at 1173K from compacted precursor powders after co-precipitation. Effect of pH change on grain size of C12A7 was estimated via Scherrer's...
7CaO⋅12Al2O3 (C12A7) and Ho3+-doped 7CaO⋅12Al2O3 (C12A7–Ho3+) polycrystal powders were synthesized via co-precipitation followed by sintering at 1173K. Crystal structures, thermodynamics characters and optical properties of crashed samples were examined by XRD, DSC/TG, FT-IR and Raman spectra analysis, respectively. Activation energy of crystallization for C12A7 polycrystals was calculated according...
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