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The La0.67Ca0.20Sr0.13MnO3 nanoparticles and bulks were prepared by using sol-gel method (SGM) and spark plasma sintering (SPS), respectively. The X-ray diffraction analysis indicates each sample crystal in a single rhombohedral perovskite structure (space group R 3 ¯ c ). The Curie temperature is slightly improved and the phase transition is sharpened after processing with...
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