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For the first time, we synthesize the superconductive cobalt oxyhydrate submicron tubules by immersing γ-Na0.7CoO2 submicron tubules in aqueous KMnO4 or NaMnO4 solution without resort to the volatile and toxic Br2/CH3CN solution. The synthesized submicron tubules are characterized by X-ray diffractometer, field-emission scanning electron microscope, transmission electron microscope and superconducting...
Y 3 Al 5 O 12 :Ce 3+ nanophosphor powders were synthesized via a solvothermal method. The pure YAG:Ce crystalline phase was found after solvothermal method at 220°C/2h and postannealing at 1150W using a single-mode cavity of 2.45GHz microwaves. The average crystallite sizes of powders were in the range of 39–51nm. The photoluminescence (PL) emission intensity increased...
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