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La0.6Sr0.4M0.1Fe0.9O3-δ (M: Co, Ni and Cu) perovskite nanostructures were synthesized using low frequency ultrasound assisted synthesis technique and effect of substitution of Fe by Co, Ni and Cu on crystal structure and mechanical properties in La0.6Sr0.4FeO3-δ perovskite was studied. The HRTEM and Rietveld refinement analyses revealed the uniform equi-axial shape of the obtained nanostructures with...
The sintering behavior of SrTaO2N under high pressure of nitrogen was studied using hot isostatic pressing equipment as a furnace. Some nitrogen was lost during high-temperature sintering to SrTaO2N0.7 even under 190MPa of N2, changing the sample color from orange to dark brown or black as in the previous study with 0.2MPaN2. The relative density (RD) was less than 90% and voids were observed in the...
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