Synthesis and Magnetic Properties of New Pyrochlore Fe2Mn2O7 Compound
| Autor: | E.K. Hlil, E. Dhahri, F. Khachnaoui, N. Ben Amor, M. Bejar |
|---|---|
| Přispěvatelé: | Laboratoire de Physique Appliquée, Université de Sfax - University of Sfax, Magnétisme et Supraconductivité (MagSup ), Institut Néel (NEEL), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]) |
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
Phase transition
Materials science Pyrochlore Space group 02 engineering and technology Crystal structure engineering.material 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences Electronic Optical and Magnetic Materials Magnetic field Crystallography Ferromagnetism 0103 physical sciences Magnetic refrigeration engineering [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci] 010306 general physics 0210 nano-technology ComputingMilieux_MISCELLANEOUS Monoclinic crystal system |
| Zdroj: | Journal of Superconductivity and Novel Magnetism Journal of Superconductivity and Novel Magnetism, Springer Verlag, 2018, 31 (11), pp.3803-3808. ⟨10.1007/s10948-018-4656-1⟩ |
| ISSN: | 1557-1939 1557-1947 |
| DOI: | 10.1007/s10948-018-4656-1⟩ |
| Popis: | The compound Fe2Mn2O7 was prepared using ceramic method Fe2O3 and MnO2 as a precursor. It was crystallized in pyrochlore oxides type monoclinic structure in the P2/M space group. Concerning the magnetic study, they showed that the compound undergoes a ferromagnetic (FM) transition near 68 K. As for the Arrott’s plots, they revealed a second-order phase transition. The variation of the applied magnetic field revealed a magnetocaloric effect that is manifested by a maximum variation of the magnetic entropy of 1 J/kgK for a field change of 5 T, with a cooling power of 63J/kg. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full text from SpringerLink