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Structural, magnetic, and magnetocaloric studies of the potassium diphosphate KCrP2O7
PUBLISHED June 30, 2023 (DOI: https://doi.org/10.54985/peeref.2306p7664332)
NOT PEER REVIEWED
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Authors
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Assaad Elouafi1 , Sara Ezairi2 , Fatima Lmai2 , Abdeslam Tizliouine1
- LMPGI, Université Hassan II de Casablanca, Ecole Supérieure de Technologie
- LPMAT, Faculty of Sciences Ain Chock, Hassan II University of Casablanca
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Conference / event
- International Conference on Energy, Materials and Environmental Science, July 2023 (Casablanca, Morocco)
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Poster summary
- The structural, magnetic, and magnetocaloric characteristics of potassium diphosphate KCrP2O7 were thoroughly investigated.. The crystalline structure was analysed employing X-Ray Diffraction (XRD), infrared, and Raman spectroscopy at around room temperature. Detailed Rietveld refinement analysis reveals that the compound adopts a complex monoclinic structure with the space group P21/c and the lattice parameters: a = 7.357Ǻ, b = 10.011 Ǻ, and c = 8.202 Ǻ. Infrared and Raman spectra were examined and analyzed based on the structural peculiarities of the "P" _"2" "O" _"7" ^"-4 " anion and the (K+, Cr3+) cation. Magnetic entropy change (-∆SM) induced by the magnetic field, was determined by employing the thermodynamic Maxwell’s relation. At H=50 kOe, the ("-∆" "S" _"M" ^"Max" ) and RCP (magnetic refrigeration capacity) near TN show a value of 4.4 J.kg-1 .K-1 and 30.06 J.kg-1, respectively for the KCrP2O7 compound.
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Keywords
- Potassium diphosphate KCrP2O7, Magnetocaloric studies, Infrared spectroscopy, Raman spectroscopy, RCP
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Research areas
- Material Sciences
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References
- No data provided
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Funding
- No data provided
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Supplemental files
- No data provided
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Additional information
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- Competing interests
- No competing interests were disclosed.
- Data availability statement
- Data sharing not applicable to this poster as no datasets were generated or analyzed during the current study.
- Creative Commons license
- Copyright © 2023 Elouafi et al. This is an open access work distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Elouafi, A., Ezairi, S., Lmai, F., Tizliouine, A. Structural, magnetic, and magnetocaloric studies of the potassium diphosphate KCrP2O7 [not peer reviewed]. Peeref 2023 (poster).
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