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Revealing a Triangular Lattice Ising Antiferromagnet in a Single-Crystal CeCd$_3$As$_3$

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arxiv 1612.03720 v1 pith:3YGTFJBQ submitted 2016-12-12 cond-mat.str-el

Y. Q. Liu , S. J. Zhang , J. L. Lv , S. K. Su , T. Dong , Gang Chen , N. L. Wang This is my paper · ORCID
classification cond-mat.str-el
keywords latticetriangularantiferromagnetcecdisingantiferromagneticlocalmoments
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abstract

We report the single-crystal growth and the fundamental magnetic and thermodynamic properties of a rare-earth triangular lattice antiferromagnet CeCd$_3$As$_3$. In this rare-earth antiferromagnet, the Ce local moments form a perfect triangular lattice. Due to the spin-orbital-entangled nature of the Ce local moments, the compound exhibits extremely anisotropic antiferromagnetic couplings along the c direction and in the ab plane respectively. We show that CeCd$_3$As$_3$ represents a {\it rare} experimental realization of an antiferromagnetic Ising model on a two dimensional triangular lattice and thus provides a prototype example for geometrical frustration. We further discuss the quantum effect of the perturbative interactions on the top of the predominant Ising interaction.

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Cited by 1 Pith paper

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  1. Quantum disordered ground state and relative proximity to an exactly solvable model in the frustrated magnet CeMgAl$_{11}$O$_{19}$

    cond-mat.str-el 2025-06 conditional novelty 6.0 of 10

    Magnetization and heat-capacity data place CeMgAl11O19 at Jz/J⊥ ≈ -0.22, farther from the solvable quantum-critical point than the previously reported -0.43, and point to structural disorder as the driver of its quant...

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