3D Gd<sup>III</sup> Complex Containing Gd<sub>16</sub> Macrocycles Exhibiting Large Magnetocaloric Effect

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    Abstract

    Hydrothermal synthesis of Gd<sub>2</sub>O<sub>3</sub> and iminodiacetic acid (H<sub>2</sub>IDA) yields a three-dimensional (3D) complex {[Gd<sub>2</sub>(IDA)<sub>3</sub>]·2H<sub>2</sub>O}<sub><i>n</i></sub> (<b>1</b>) including Gd<sub>16</sub> macrocycles. Magnetic investigation indicates the presence of weak antiferromagnetic interaction between Gd<sup>III</sup> ions and a large magnetocaloric effect with −Δ<i>S</i><sub>m</sub><sup>max</sup> = 40.6 J kg<sup>–1</sup> K<sup>–1</sup>

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      Last time updated on 12/02/2018