Abstract
We have synthesized single crystals of CeZnAl3, which is a new member of family of Ce-based intermetallics CeTX3 (T=transition metal, X=Si, Ge, Al), crystallizing in the non-centrosymmetric tetragonal BaNiSn3-type structure. Magnetization, specific heat and resistivity measurements all show that CeZnAl3 orders magnetically below around 4.4 K. Furthermore, magnetization measurements exhibit a hysteresis loop at low temperatures and fields, indicating the presence of a ferromagnetic component in the magnetic state. This points to a different nature of the magnetism in CeZnAl3 compared to the other isostructural CeTAl3 compounds. Resistivity measurements under pressures up to 1.8 GPa show a moderate suppression of the ordering temperature with pressure, suggesting that measurements to higher pressures are required to look for quantum critical behavior.
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Liu, Q., Shen, B., Smidman, M. et al. Structural and magnetic properties of CeZnAl3 single crystals. Sci. China Phys. Mech. Astron. 61, 77411 (2018). https://doi.org/10.1007/s11433-018-9208-6
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DOI: https://doi.org/10.1007/s11433-018-9208-6