Investigation of the structural and magnetic properties of the GdCoC compound featuring excellent cryogenic magnetocaloric performance

Zhang, Yikun; Hao, Weixiang; Shen, Jun; Mo, Zhaojun; Gottschall, Tino; Li, Lingwei

doi:10.1016/j.actamat.2024.120128

Acta Materialia

2024

DOI: 10.1016/j.actamat.2024.120128

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Investigation of the structural and magnetic properties of the GdCoC compound featuring excellent cryogenic magnetocaloric performance

Yikun Zhang,

Weixiang Hao,

Jun Shen

et al.

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Cited by 6 publications

References 68 publications

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Enhanced Cryogenic Magnetocaloric Effect from 4f‐3d Exchange Interaction in B‐Site Ordered Gd₂CuTiO₆ Double Perovskite Oxide

Zhang,

Na,

Hao

et al. 2024

Adv Funct Materials

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Magnetic refrigeration based on the principle of the magnetocaloric effect (MCE) in magnetic solids has been considered as a prospective cooling technology. Exploring suitable magnetocaloric materials (MCMs) is a vital prerequisite for practical applications. Herein, an excellent cryogenic MCM—the B‐site‐ordered Gd2CuTiO6 double perovskite (DP) oxide—which exhibits the largest MCE among known Gd‐based DP oxides, is identified. Such enhanced cryogenic MCE in the Gd2CuTiO6 DP oxide likely stems from the exchange interaction effect between Gd‐4f and Cu‐3d magnetic sublattices. Under a magnetic field change of 0–7 T, the maximum magnetic entropy change (−ΔSTmax) of the Gd2CuTiO6 DP oxide reaches 51.4 J kg−1 K−1 (378.2 mJ cm−3 K−1), which is much larger than that of the commercialized magnetic refrigerant Gd3Ga5O12, which is 38.3 J kg−1 K−1 (271.2 mJ cm−3 K−1), and it is also superior to most of the recently reported benchmarked cryogenic MCMs, indicating the possibility for practical applications. This work also provides a productive route for future cryogenic MCM design by harnessing 4f–3d exchange interactions.

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Enhanced Cryogenic Magnetocaloric Effect from 4f‐3d Exchange Interaction in B‐Site Ordered Gd₂CuTiO₆ Double Perovskite Oxide

Zhang,

Na,

Hao

et al. 2024

Adv Funct Materials

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Structural and magnetic properties of RE2O2SO4 (RE = Gd, Tb, Dy and Ho) oxides featuring large direct and inverse magnetocaloric effect

Chen,

Wang,

Yang

et al. 2024

Ceramics International

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Magnetic properties and magnetocaloric effect in the multiple rare-earth-containing MRE2Cu2In compounds

Wang,

et al. 2024

Intermetallics

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Investigation of the structural and magnetic properties of the GdCoC compound featuring excellent cryogenic magnetocaloric performance

Cited by 6 publications

References 68 publications

Enhanced Cryogenic Magnetocaloric Effect from 4f‐3d Exchange Interaction in B‐Site Ordered Gd₂CuTiO₆ Double Perovskite Oxide

Enhanced Cryogenic Magnetocaloric Effect from 4f‐3d Exchange Interaction in B‐Site Ordered Gd₂CuTiO₆ Double Perovskite Oxide

Structural and magnetic properties of RE2O2SO4 (RE = Gd, Tb, Dy and Ho) oxides featuring large direct and inverse magnetocaloric effect

Magnetic properties and magnetocaloric effect in the multiple rare-earth-containing MRE2Cu2In compounds

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Investigation of the structural and magnetic properties of the GdCoC compound featuring excellent cryogenic magnetocaloric performance

Cited by 6 publications

References 68 publications

Enhanced Cryogenic Magnetocaloric Effect from 4f‐3d Exchange Interaction in B‐Site Ordered Gd2CuTiO6 Double Perovskite Oxide

Enhanced Cryogenic Magnetocaloric Effect from 4f‐3d Exchange Interaction in B‐Site Ordered Gd2CuTiO6 Double Perovskite Oxide

Structural and magnetic properties of RE2O2SO4 (RE = Gd, Tb, Dy and Ho) oxides featuring large direct and inverse magnetocaloric effect

Magnetic properties and magnetocaloric effect in the multiple rare-earth-containing MRE2Cu2In compounds

Contact Info

Product

Resources

About

Enhanced Cryogenic Magnetocaloric Effect from 4f‐3d Exchange Interaction in B‐Site Ordered Gd₂CuTiO₆ Double Perovskite Oxide

Enhanced Cryogenic Magnetocaloric Effect from 4f‐3d Exchange Interaction in B‐Site Ordered Gd₂CuTiO₆ Double Perovskite Oxide