Further investigations on the thermophysical properties of gamma-irradiated urania-doped orthoferrites |
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| Authors: | Morsy M Abou-Sekkina Osama A Shalma |
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| Institution: | (1) Solid State and Ceramic Unit, Chemistry Department, Faculty of Science, Tanta University, Tanta, Egypt |
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| Abstract: | (Y1.85?U0.15) FeO3 orthoferrite was carefully prepared using the solid-state high temperature ceramic and sintering technique. On this orthoferrite, numerous measurements have been undertaken before and after 1.24 Mrad γ-absorbed dose, namely X-ray diffraction (XRD), DC-electrical conductivity versus temperature, UV/Vis. absorption, IR absorption, Mössbauer effect (ME) and EPR. In the present work the results obtained were explained, interpreted and discussed in details on the basis of lattice structure of the new perovskite investigated and the interaction of γ-radiation with the orthoferrite lattice. |
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