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The microstructure and negative temperature coefficient (NTC) electrical properties of the MgAl2O4–LaCr0.5Mn0.5O3 composite ceramics prepared by spark plasma sintering (SPS) were investigated. The effects of SPS and conventional sintering (CS) on electrical properties and high temperature aging characteristics of 0.6MgAl2O4–0.4LaCr0.5Mn0.5O3 ceramics were comparatively studied. X-ray diffraction (XRD)...
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