Stripe antiferromagnetic ground state of ideal triangular lattice KErSe$_2$

Xing, Jie; Taddei, Keith M.; Sanjeewa, Liurukara D.; Fishman, Randy S.; Daum, Marcus; Mourigal, Martin; Cruz, C. dela; Sefat, Athena S.

doi:10.48550/arxiv.2006.01602

Cited by 1 publication

(1 citation statement)

References 43 publications

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“…This study is of immediate relevance to KCeS 2 [46], KErSe 2 [47], and isostructural CeCd 3 P 3 [48], where some of the same phenomenology has been observed. Future studies by thermodynamic and spectroscopic methods, such as low-T magnetization, nuclear and electronic magnetic resonance, neutron and x-ray magnetic dichroism scattering, are expected to provide further insights into the nature of the crossover region in the H-T phase diagram and into the role of structural disorder in the static and dynamic properties of these materials.…”

Section: S =supporting

confidence: 53%

Fingerprinting Triangular-Lattice Antiferromagnet by Excitation Gaps

Avers,

Maksimov,

Rosa

et al. 2021

Preprint

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CeCd3As3 is a rare-earth triangular-lattice antiferromagnet with large inter-layer separation. Our field-dependent heat capacity measurements at dilution fridge temperatures allow us to trace the field-evolution of the spin-excitation gaps throughout the antiferromagnetic and paramagnetic regions. The distinct gap evolution places strong constraints on the microscopic pseudo-spin model, which, in return, yields a close quantitative description of the gap behavior. This analysis provides crucial insights into the nature of the magnetic state of CeCd3As3, with a certainty regarding its stripe order and low-energy model parameters that sets a compelling paradigm for exploring and understanding the rapidly growing family of the rare-earth-based triangular-lattice systems.

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Section: S =supporting

confidence: 53%