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arXiv 2002.09345cond-mat.str-el
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反铁磁Ce $_2$ IrGa $_{12}$的结构和磁性

Structural and magnetic properties of antiferromagnetic Ce$_2$IrGa$_{12}$

Y. J. Zhang, B. Shen, F. Du, Y. Chen, J. Y. Liu, Hanoh Lee, M. Smidman, H. Q. Yuan

摘要:

本文报道了Ce $_2$ IrGa $_{12}$单晶的结构和磁性的研究。$_2$-IrGa $_{12}$以层状四方晶系结构结晶,在3.1K以下发生反铁磁转变。我们表征的温度场相图的Ce $_2$ IrGa $_{12}$的字段内的$ab$平面和沿$c$轴,其中存在的场诱导的磁相被发现在平面内的字段。当压力达到2.3 GPa时,有序化温度适度提高,表明$_2$-IrGa $_{12}$对应于Doniach相图的局域区域.

英文摘要:

We report a study of the structural and magnetic properties of single crystals of Ce$_2$IrGa$_{12}$. Ce$_2$IrGa$_{12}$ crystallizes in a layered tetragonal structure, and undergoes an antiferromagnetic transition below 3.1 K. We characterize the temperature-field phase diagrams of Ce$_2$IrGa$_{12}$ for fields both within the $ab$-plane and along the $c$-axis, where the presence of a field-induced magnetic phase is found for in-plane fields. The ordering temperature is moderately enhanced upon the application of pressures up to 2.3~GPa, suggesting that Ce$_2$IrGa$_{12}$ corresponds to the well localized region of the Doniach phase diagram.

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