Structural and Electrical Properties of Sr2Fe0.75Co0.75Mn0.5O6-δ

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Ram Krishna Hona, Amara Martinson, Alexa D. Azure, Mandy Guinn

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Published: 14 February 2024 | Article Type : Research Article

Abstract

This study introduces a novel oxygen-deficient perovskite, Sr2Fe0.75Co0.75Mn0.5O6-δ, synthesized through a solid-state reaction and thoroughly characterized by Powder XRD, SEM and direct current (DC) electrical conductivity measurements. The material, exhibiting a cubic crystal structure with the Pm3̅m space group, demonstrates intriguing electrical properties. At temperatures ranging from 25 to 400 °C, the material displays semiconductor-type conductivity, transitioning seamlessly to metallic-type conductivity from 400 to 800 °C. The deliberate incorporation of cobalt into the perovskite structure is found to be pivotal, as evidenced by a comparative analysis with its parent compound, Sr2FeMnO6-δ. This investigation reveals a substantial improvement in electrical conductivity, underscoring the significance of the partial substitution of cobalt. The tailored electrical properties of Sr2Fe0.75Co0.75Mn0.5O6-δ position it as a versatile candidate for electronic applications.

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Ram Krishna Hona, Amara Martinson, Alexa D. Azure, Mandy Guinn. (2024-02-14). "Structural and Electrical Properties of Sr2Fe0.75Co0.75Mn0.5O6-δ." *Volume 6*, 1, 1-6