Magnetic properties and large low-field cryogenic magnetocaloric effect in the divalent europium borate Eu2B2O5 compound

Mo, Zhaojun; Liu, Quanyi; Hao, Wexiang; Li, Lingwei; Xie, Huicai; Fu, Qi; Gao, Xinqiang; Shen, Jun

doi:10.1016/j.mtphys.2024.101351

Materials Today Physics

2024

DOI: 10.1016/j.mtphys.2024.101351

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Magnetic properties and large low-field cryogenic magnetocaloric effect in the divalent europium borate Eu2B2O5 compound

Zhaojun Mo,

Quanyi Liu,

Wexiang Hao

et al.

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2024

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Cited by 3 publications

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Magnetic phase transition and magnetocaloric effect in amorphous Gd52Fe28B20 alloy

El Ouahbi,

Abouricha,

El Ouahbi

et al. 2024

Appl. Phys. A

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Magnetic phase transition and magnetocaloric effect in amorphous Gd52Fe28B20 alloy

El Ouahbi,

Abouricha,

El Ouahbi

et al. 2024

Appl. Phys. A

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Magnetic properties and magnetocaloric effect (MCE) in the Er2BaNi1−xZnxO5 oxides

Shen,

Luo,

et al. 2024

J Mater Sci: Mater Electron

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Structural and Magnetic Properties of B-Site-Ordered RE₂CuTiO₆ (RE = Dy, Ho, and Er) Double-Perovskite Oxides with Significant Cryogenic Magnetocaloric Performance

Lin,

Feizpour,

Zhang

et al. 2024

ACS Appl. Mater. Interfaces

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The magnetocaloric effect (MCE) is currently intensively investigated in various rare earths (RE)-containing magnetic solids, not only for developing appropriate magnetocaloric materials (MCMs) for cryogenic magnetic cooling but also for deepening our understanding into the inherent physical properties of these materials. Here, we provide a systematic experimental investigation into a series of new RE 2CuTiO6 (RE = Dy, Ho, Er) double-perovskite (DP) oxides regarding the structural and magnetic properties, especially for their cryogenic MCE and magnetic-phase transition (MPT). All of these RE 2CuTiO6 oxides crystallize in a B-site-ordered hexagonal DP-type structure with the symmetry of the crystallographic space group P6̅m2. These DP oxides exhibit magnetic ordering, with MPT temperatures of approximately 2.7, 2.2, and 2.7 K for Dy2CuTiO6, Ho2CuTiO6, and Er2CuTiO6, respectively. The magnetocaloric performances of the RE 2CuTiO6 DP oxides were characterized by the peak values of magnetic entropy change, the temperature-averaged magnetic entropy change (5K-lift), and relative cooling powers. These magnetocaloric parameters were deduced to be 18.7/17.9 J/kgK and 298.2 J/kg for Dy2CuTiO6, 12.5/12.2 J/kgK and 273.9 J/kg for Ho2CuTiO6, and 13.8/12.9 J/kgK and 188.4 J/kg for Er2CuTiO6 under a magnetic field change of 0–5 T. These values are comparable to those of most reported RE-containing magnetocaloric materials, indicating that these RE 2CuTiO6 DP oxides are promising candidates for cryogenic magnetic cooling applications.

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Magnetic properties and large low-field cryogenic magnetocaloric effect in the divalent europium borate Eu2B2O5 compound

Cited by 3 publications

References 37 publications

Magnetic phase transition and magnetocaloric effect in amorphous Gd52Fe28B20 alloy

Magnetic phase transition and magnetocaloric effect in amorphous Gd52Fe28B20 alloy

Magnetic properties and magnetocaloric effect (MCE) in the Er2BaNi1−xZnxO5 oxides

Structural and Magnetic Properties of B-Site-Ordered RE₂CuTiO₆ (RE = Dy, Ho, and Er) Double-Perovskite Oxides with Significant Cryogenic Magnetocaloric Performance

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Magnetic properties and large low-field cryogenic magnetocaloric effect in the divalent europium borate Eu2B2O5 compound

Cited by 3 publications

References 37 publications

Magnetic phase transition and magnetocaloric effect in amorphous Gd52Fe28B20 alloy

Magnetic phase transition and magnetocaloric effect in amorphous Gd52Fe28B20 alloy

Magnetic properties and magnetocaloric effect (MCE) in the Er2BaNi1−xZnxO5 oxides

Structural and Magnetic Properties of B-Site-Ordered RE2CuTiO6 (RE = Dy, Ho, and Er) Double-Perovskite Oxides with Significant Cryogenic Magnetocaloric Performance

Contact Info

Product

Resources

About

Structural and Magnetic Properties of B-Site-Ordered RE₂CuTiO₆ (RE = Dy, Ho, and Er) Double-Perovskite Oxides with Significant Cryogenic Magnetocaloric Performance