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  Large magnetocaloric effect in RE8Pd24Ga (RE = Gd, Tb and Dy) series of compounds

Mboukam, J. J., Tchoula Tchokonté, M. B., Bashir, A. K. H., Sondezi, B. M., Sahu, B. N., Strydom, A. M., et al. (2020). Large magnetocaloric effect in RE8Pd24Ga (RE = Gd, Tb and Dy) series of compounds. Journal of Alloys and Compounds, 814: 152228, pp. 1-9. doi:10.1016/j.jallcom.2019.152228.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0004-C863-B Versions-Permalink: https://hdl.handle.net/21.11116/0000-0004-C865-9
Genre: Zeitschriftenartikel

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 Urheber:
Mboukam, J. J.1, Autor
Tchoula Tchokonté, M. B.1, Autor
Bashir, A. K. H.1, Autor
Sondezi, B. M.1, Autor
Sahu, B. N.1, Autor
Strydom, A. M.2, Autor           
Kaczorowski, D.1, Autor
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              

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Schlagwörter: 65.40Gr, 72.15Qm, 75.30Ds, 75.30Sg, 75.40Cx, 75.50Ee, Antiferromagnetism, Electrical resistivity, Heat capacity numbers: 71.20Lp, Magnetocaloric effect, Metamagnetism, Spin-wave
 Zusammenfassung: We report on the low-temperature physical properties of RE8Pd24Ga (RE = Gd, Tb and Dy) compounds studied by means of thermodynamic and electronic transport measurements. The three compounds exhibit a putative antiferromagnetic ordering. In the paramagnetic region, their magnetic susceptibility follows the Curie-Weiss relation with effective magnetic moments close to those expected for the respective RE3+ ions. Gd8Pd24Ga and Dy8Pd24Ga undergo another magnetic phase transitions in the ordered state. In fairly small magnetic fields, the magnetization of Tb8Pd24Ga and Dy8Pd24Ga reveals a metamagnetic-like transition that bears a first-order character. All three compounds studied exhibit magnetocaloric effect of the magnitude similar to those reported for materials applicable as magnetic refrigerants. © 2019 Elsevier B.V.

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Sprache(n): eng - English
 Datum: 2020-01-012020-01-01
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1016/j.jallcom.2019.152228
 Art des Abschluß: -

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Titel: Journal of Alloys and Compounds
  Kurztitel : J. Alloy. Comp.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Lausanne, Switzerland : Elsevier B.V.
Seiten: - Band / Heft: 814 Artikelnummer: 152228 Start- / Endseite: 1 - 9 Identifikator: ISSN: 0925-8388
CoNE: https://pure.mpg.de/cone/journals/resource/954925567746