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  • Title: The crystal structure and magnetic properties of a Zintl phase EuIrIn4: the first member of the Eu-Ir-In family.
    Author: Sarkar S, Gutmann MJ, Peter SC.
    Journal: Dalton Trans; 2014 Nov 14; 43(42):15879-86. PubMed ID: 25226496.
    Abstract:
    The indium-rich intermetallic compound EuIrIn4 was synthesized using indium as the active metal flux. The crystal structure of EuIrIn4 was investigated by X-ray powder and single crystal diffraction. EuIrIn4 crystallizes in the YNiAl4 type, Cmcm space group, with lattice parameters, a = 4.5206(9) Å, b = 16.937(3) Å, c = 7.2661(15) Å. Europium atoms in EuIrIn4 are surrounded by three dimensional [IrIn4] polyanionic networks. EuIrIn4 shows two successive antiferromagnetic transitions at 5.4 and 10.8 K. Modified Curie-Weiss fitting on the magnetic susceptibility data within the temperature region 15-300 K gives the effective magnetic moment of 8.45μB/Eu. EuIrIn4 shows pronounced magnetic anisotropy perpendicular to the direction of the applied magnetic field.
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