Gadolinium Oxalate Derivatives with Enhanced Magnetocaloric Effect via Ionothermal Synthesis

Two new oxalate-bridged Gd(III) coordination polymers, namely, (choline)[Gd(C2O4)(H2O)3Cl]Cl·H2O (1) and [Gd(C2O4)(H2O)3Cl] (2), were first obtained ionothermally by using a deep eutectic solvent (DES). The magnetic studies and heat capacity measurements reveal that the two-dimensional Gd(III)-based...

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Published in:Inorganic chemistry 2014-09, Vol.53 (17), p.9052-9057
Main Authors: Meng, Yan, Chen, Yan-Cong, Zhang, Ze-Min, Lin, Zhuo-Jia, Tong, Ming-Liang
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container_title Inorganic chemistry
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creator Meng, Yan
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description Two new oxalate-bridged Gd(III) coordination polymers, namely, (choline)[Gd(C2O4)(H2O)3Cl]Cl·H2O (1) and [Gd(C2O4)(H2O)3Cl] (2), were first obtained ionothermally by using a deep eutectic solvent (DES). The magnetic studies and heat capacity measurements reveal that the two-dimensional Gd(III)-based coordination polymer of 2 has the higher magnetic density and exhibits a larger cryogenic magnetocaloric effect (MCE) (ΔS m = 48 J kg–1 K–1 for ΔH = 7 T at 2.2 K).
doi_str_mv 10.1021/ic501013x
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title Gadolinium Oxalate Derivatives with Enhanced Magnetocaloric Effect via Ionothermal Synthesis
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