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Tunable Ferrites as Environmentally Friendly Materials for Energy-Efficient Processes

Authors

  • Inmaculada Álvarez-Serrano,

    1. Departamento de Química Inorgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Avda. Complutense s/n, 28040 Madrid, Spain
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  • Maria Angeles Arillo,

    1. Departamento de Química Inorgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Avda. Complutense s/n, 28040 Madrid, Spain
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  • Maria Luisa López,

    1. Departamento de Química Inorgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Avda. Complutense s/n, 28040 Madrid, Spain
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  • Maria Luisa Veiga,

    1. Departamento de Química Inorgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Avda. Complutense s/n, 28040 Madrid, Spain
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  • Carlos Pico

    Corresponding author
    1. Departamento de Química Inorgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Avda. Complutense s/n, 28040 Madrid, Spain
    • Departamento de Química Inorgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Avda. Complutense s/n, 28040 Madrid, Spain.
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Abstract

Novel materials and methods of synthesis in the field of energy conversion and economy are reported. The main goal is to prepare and characterize Li(4 − x)Mn(5 − 2x)Fe3xO12 compounds. These compounds crystallize in a spinel-type structure, AB2O4, in which the cationic location in the A and B sublattices drives the potential application of these materials in two current prominent research fields: magnetic refrigeration and lithium batteries. This solid solution is revealed as a tunable system that nicely permits a specific response to be highlighted, depending on the composition and particle size: the magnetocaloric effect or active electrochemical behavior.

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