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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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Item Permalink: https://hdl.handle.net/21.11116/0000-0004-C863-B Version Permalink: https://hdl.handle.net/21.11116/0000-0004-C865-9
Genre: Journal Article

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 Creators:
Mboukam, J. J.1, Author
Tchoula Tchokonté, M. B.1, Author
Bashir, A. K. H.1, Author
Sondezi, B. M.1, Author
Sahu, B. N.1, Author
Strydom, A. M.2, Author           
Kaczorowski, D.1, Author
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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Free keywords: 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
 Abstract: 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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Language(s): eng - English
 Dates: 2020-01-012020-01-01
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.jallcom.2019.152228
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Title: Journal of Alloys and Compounds
  Abbreviation : J. Alloy. Comp.
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland : Elsevier B.V.
Pages: - Volume / Issue: 814 Sequence Number: 152228 Start / End Page: 1 - 9 Identifier: ISSN: 0925-8388
CoNE: https://pure.mpg.de/cone/journals/resource/954925567746