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Dielectric characteristics of YMn 0.8 Fe 0.2 O 3 ceramics prepared by in situ spark plasma sintering (SPS) were evaluated over broad temperature and frequency ranges. An obvious dielectric relaxation was observed in the low temperature range, and it was a thermally activated process following the Arrhenius law. A regular ferroelectric hysteresis loop was detected at 153K, and...
Dense YMnO 3 multiferroic ceramics were prepared by a novel technique of in situ SPS (spark plasma sintering) combined with annealing, and both the dielectric and magnetic characterizations were conducted. Compared with the conventional ceramic process, the synthesis process was greatly simplified, and dense YMnO 3 ceramics with uniform microstructures were achieved at a relatively...
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