Magnetic properties and tuneable magnetocaloric effect with large temperature span in GdCd1−xRux solid solutions

Li, Lingwei; Niehaus, Oliver; Johnscher, Michael; Pöttgen, Rainer

doi:10.1016/j.intermet.2015.01.005

Cited by 29 publications

(13 citation statements)

References 32 publications

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“…[71][72][73] Hermes et al [72] have investigated the magnetic and MCE properties in Er 4 NiCd compound which crystallizes in the Gd 4 RhIn type structure. They found that Er 4 [ 72] Recently, Li et al [73] have investigated the magnetism and MCE in for GdCd 1-x Ru x is shown in the inset of Fig. 15 (c).…”

Section: Cd-based Intermetallic Compoundsmentioning

confidence: 99%

“…14. (Colour online) Temperature dependence of zero field cooling (ZFC) and field cooling (FC) magnetization M for GdCd 1-x Ru x (x = 0.1, 0.15, and 0.2) under a low magnetic field of H = 0.1 T. [73] Fig. 15.…”

Section: Ni Site Doping Effect On Mce For Reni 2-x a X B 2 C (Re = Dy...mentioning

confidence: 99%

“…The inset of (c) shows the maximum magnetic entropy change -S M max as a function of magnetic field change H 2/3 . [73] Fig. 16.…”

Section: Ni Site Doping Effect On Mce For Reni 2-x a X B 2 C (Re = Dy...mentioning

confidence: 99%

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Review of magnetic properties and magnetocaloric effect in the intermetallic compounds of rare earth with low boiling point metals

Li¹

2016

Chinese Phys. B

140

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Abstract:The magnetocaloric effect (MCE) in many rare earth (RE) based intermetallic compounds has been extensively investigated during last two decades, not only due to their potential applications for magnetic refrigeration but also for better understanding of the fundamental problems of the materials. This paper reviews our recent progress of magnetic properties and MCE in some binary or ternary intermetallic compounds of RE with low boiling point metal(s) (Zn, Mg, and Cd). Some of them are exhibiting promising MCE properties which make them also attractive for low temperature magnetic refrigeration. Characteristics of the magnetic transition, origin of large MCE as well as the potential application of these compounds were thoroughly discussed. Additionally, a brief review of the magnetic and magnetocaloric properties in the quaternary rare earth nickel boroncarbides RENi 2 B 2 C superconductors is also presented.

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Section: Cd-based Intermetallic Compoundsmentioning

confidence: 99%

Section: Ni Site Doping Effect On Mce For Reni 2-x a X B 2 C (Re = Dy...mentioning

confidence: 99%

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Review of magnetic properties and magnetocaloric effect in the intermetallic compounds of rare earth with low boiling point metals

Li¹

2016

Chinese Phys. B

140

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“…This is exactly the problem for the Gd 9 OsMg 4 and Tb 9 OsMg 4 samples studied herein and a deeper interpretation of the magnetically ordered regime is not appropriate. The dependence of the Curie temperature on the composition of such CsCl-type phases was exemplarily studied for the solid solution GdRu x Cd 1−x which extends up to x ≈ 0.25 and shows a continuous decrease of T C from 258 K for GdCd to 61.5 K for GdRu 0.20 Cd 0.80 [39,40].…”

Section: Magnetic Behaviormentioning

confidence: 99%

Osmium and magnesium: structural segregation in the rare earth-rich intermetallics RE ₄OsMg (RE=La–Nd, Sm) and RE ₉ TMg₄ (RE=Gd, Tb)

Block

Stein

Heletta

et al. 2019

Zeitschrift Für Naturforschung B

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Ternary rare earth metal-rich intermetallic phases containing osmium and magnesium were obtained by induction melting of the elements in sealed niobium ampoules under argon followed by annealing in muffle furnaces. The large rare earth elements form the series of Gd4RhIn-type (F4̅3m) intermetallics RE4OsMg with RE = La–Nd and Sm, while the smaller rare earth metals gadolinium and terbium form the Y9CoMg4-type (P63/mmc) phases Gd9OsMg4 and Tb9OsMg4. All samples were characterized by X-ray powder diffraction (Guinier technique). The structures of Ce4Os0.973Mg1.027 (a = 1406.54(7) pm, wR2 = 0.0478), Nd4Os0.978Mg1.022 (a = 1402.00(7) pm, wR2 = 0.0463), Sm4Os0.920Mg1.080 (a = 1387.33(5) pm, wR2 = 0.0378) and Gd9OsMg4 (a = 971.01(5), c = 980.43(5) pm, wR2 = 0.0494) were refined from single-crystal X-ray diffractometer data. The three RE4OsMg phases show small degrees of Os/Mg mixing, as is frequently observed for Rh/In in Gd4RhIn-type intermetallics. The basic building units in both structures are osmium-centered RE6 trigonal prisms that are condensed with empty RE6 octahedra. The magnesium atoms in both types build Mg4 tetrahedra. The latter are isolated (312 pm Mg–Mg in Ce4OsMg) and incorporated within the three-dimensional network of prisms and octahedra in the RE4OsMg phases while one observes rows of corner- and face-sharing tetrahedra in Gd9OsMg4 (305 and 314 pm Mg–Mg). In both structure types direct Os–Mg bonding is not observed.

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“…It is important to find new materials with outstanding MCE properties for active application. Recently, the magnetism and MCE in lots of rare-earth-based compounds have been systematically investigated, and some of them are found to possess excellent MCE properties that are considerable for application [5]- [10].…”

Section: Introductionmentioning

confidence: 99%

Large Reversible Magnetocaloric Effect Around Liquid Hydrogen Temperature in Er<sub>4</sub>PdMg Compound

Niehaus

Kersting

et al. 2015

IEEE Trans. Magn.

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The magnetic properties and the magnetocaloric effect (MCE) in the Er 4 PdMg compound have been investigated by magnetization and heat capacity measurements. The compound undergoes a second-order magnetic phase transition from a paramagnetic to a ferromagnetic state at Curie temperatures of T C ∼ 21.5 K, which is just above the liquid hydrogen temperature (20.3 K). A large reversible MCE was observed. The maximum values of magnetic entropy change (− S max M ) and adiabatic temperature change ( T max ad ) for Er 4 PdMg under a field change of 0-7 T are 20.6 J/kg K and 5.5 K, respectively. The corresponding value of relative cooling power (RCP) was evaluated to be 742 J/kg. The large reversible MCE together with considerable RCP values makes the Er 4 PdMg compound attractive for magnetic refrigeration. Index Terms-Er 4 PdMg, large reversible magnetocaloric effect (MCE), magnetic properties.

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Magnetic properties and tuneable magnetocaloric effect with large temperature span in GdCd1−xRux solid solutions

Cited by 29 publications

References 32 publications

Review of magnetic properties and magnetocaloric effect in the intermetallic compounds of rare earth with low boiling point metals

Review of magnetic properties and magnetocaloric effect in the intermetallic compounds of rare earth with low boiling point metals

Osmium and magnesium: structural segregation in the rare earth-rich intermetallics RE ₄OsMg (RE=La–Nd, Sm) and RE ₉ TMg₄ (RE=Gd, Tb)

Large Reversible Magnetocaloric Effect Around Liquid Hydrogen Temperature in Er<sub>4</sub>PdMg Compound

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Magnetic properties and tuneable magnetocaloric effect with large temperature span in GdCd1−xRux solid solutions

Cited by 29 publications

References 32 publications

Review of magnetic properties and magnetocaloric effect in the intermetallic compounds of rare earth with low boiling point metals

Review of magnetic properties and magnetocaloric effect in the intermetallic compounds of rare earth with low boiling point metals

Osmium and magnesium: structural segregation in the rare earth-rich intermetallics RE 4OsMg (RE=La–Nd, Sm) and RE 9 TMg4 (RE=Gd, Tb)

Large Reversible Magnetocaloric Effect Around Liquid Hydrogen Temperature in Er<sub>4</sub>PdMg Compound

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Osmium and magnesium: structural segregation in the rare earth-rich intermetallics RE ₄OsMg (RE=La–Nd, Sm) and RE ₉ TMg₄ (RE=Gd, Tb)