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Thermophysical properties of gamma-irradiated LaFeO3 and YFeO3 orthoferrites

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Abstract

In the present work, LaFeO3 and YFeO3 orthoferrites were carefully prepared using the solid state high temperature ceramic and sintering technique. On these two materials, numerous measurements were applied before and after γ-absorbed dose (1.24 Mrad) namely, X-ray diffraction (XRD), DC-electrical conductivity, UV/Vis, IR, Mössbauer effect and EPR. Results obtained were explained, interpreted, and discussed in detail on the basis of lattice structure of the new perovskite investigated and the interaction of γ-radiation with the investigated materials. Finally the γ-induced functions are evaluated for electrical conduction, Mössbauer effect and EPR for the first time.

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Authors and Affiliations

  1. Solid State and Ceramic Unit, Chemistry Department, Faculty of Science, Tanta University, Tanta, Egypt

    Morsy M. Abou-Sekkina, Mokhtar M. El-Kersh & Osama A. Shalma

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  1. Morsy M. Abou-Sekkina
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  2. Mokhtar M. El-Kersh
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  3. Osama A. Shalma
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Abou-Sekkina, M.M., El-Kersh, M.M. & Shalma, O.A. Thermophysical properties of gamma-irradiated LaFeO3 and YFeO3 orthoferrites. J Radioanal Nucl Chem 241, 15–24 (1999). https://doi.org/10.1007/BF02347284

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