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The oxide ion conduction mechanism was clarified for high purity RE 9.33 (SiO 4 ) 6 O 2 and Sr 2 RE 8 (SiO 4 ) 6 O 2 (RE=La and Nd) by Rietveld and maximum entropy method (MEM) analysis using neutron powder diffraction data collected at room temperature. All the compounds had an apatite-type structure in the space group P6 ...
The solid solution Ca 1-x Sr x FeO 3 was synthesized under high-oxygen pressure, and its structural and electronic properties were investigated by means of X-ray and neutron Rietveld analyses, resistivity measurements, SQUID magnetometry, and Mossbauer spectroscopy. The system was found to be divided into an orthorhombic region for 0.0=<x=<0.5, a cubic one for...
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