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Issue 16, 2017
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Large magnetic entropy changes in three GdIII coordination polymers containing GdIII chains

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Abstract

Three chain-based GdIII coordination polymers, namely [Gd2(SO4)3(phen)2(H2O)2]n (1), [Gd2(oda)2(ox)(H2O)6]n (2) and {[Gd2(glu)3(H2O)2]·4H2O}n (3) (phen = 1,10-phenanthroline, H2oda = oxydiacetic acid, H2ox = oxalic acid and H2glu = glutaric acid), have been successfully constructed by using multidentate O ligands under hydro/solvothermal conditions. Complex 1 has a one-dimensional (1D) chain bridged by inorganic sulfate, and complex 2 exhibits a 1D double-chain ladder-shaped structure connected by oxalate. While, complex 3 is a three-dimensional (3D) metal–organic framework composed of 1D chains. All of them display good thermal stabilities and large magnetic entropy changes with −ΔSmaxm > 31 J kg−1 K−1 (7 T), suggesting them to be good candidates for use as cryogenic magnetic refrigerants.

Graphical abstract: Large magnetic entropy changes in three GdIII coordination polymers containing GdIII chains

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Publication details

The article was received on 01 May 2017, accepted on 04 Jul 2017 and first published on 05 Jul 2017


Article type: Paper
DOI: 10.1039/C7NJ01463E
Citation: New J. Chem., 2017,41, 8598-8603
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    Large magnetic entropy changes in three GdIII coordination polymers containing GdIII chains

    T. Zheng, S. Yao, C. Cao, S. Liu, H. Hu, T. Zhang, H. Huang, J. Liao, J. Chen and H. Wen, New J. Chem., 2017, 41, 8598
    DOI: 10.1039/C7NJ01463E

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