Frustrated two dimensional quantum magnets

B Schmidt, P Thalmeier - Physics Reports, 2017 - Elsevier
We overview physical effects of exchange frustration and quantum spin fluctuations in (quasi-
) two dimensional (2D) quantum magnets (S= 1∕ 2) with square, rectangular and triangular …

Spin liquids in geometrically perfect triangular antiferromagnets

Y Li, P Gegenwart, AA Tsirlin - Journal of Physics: Condensed …, 2020 - iopscience.iop.org
The cradle of quantum spin liquids, triangular antiferromagnets show strong proclivity to
magnetic order and require deliberate tuning to stabilize a spin-liquid state. In this brief …

Gapless spin-liquid state in the structurally disorder-free triangular antiferromagnet

L Ding, P Manuel, S Bachus, F Grußler, P Gegenwart… - Physical Review B, 2019 - APS
We present a candidate material, NaYbO 2, that realizes the genuine spin-liquid state on the
triangular lattice and benchmarks recent theoretical predictions on the relevant spin models …

Survival of itinerant excitations and quantum spin state transitions in YbMgGaO4 with chemical disorder

X Rao, G Hussain, Q Huang, WJ Chu, N Li… - Nature …, 2021 - nature.com
A recent focus of quantum spin liquid (QSL) studies is how disorder/randomness in a QSL
candidate affects its true magnetic ground state. The ultimate question is whether the QSL …

Two-dimensional quantum universality in the spin-1/2 triangular-lattice quantum antiferromagnet Na2BaCo(PO4)2

J Sheng, L Wang, A Candini, W Jiang… - Proceedings of the …, 2022 - National Acad Sciences
An interplay of geometrical frustration and strong quantum fluctuations in a spin-1/2
triangular-lattice antiferromagnet (TAF) can lead to exotic quantum states. Here, we report …

The nature of spin excitations in the one-third magnetization plateau phase of Ba3CoSb2O9

Y Kamiya, L Ge, T Hong, Y Qiu… - Nature …, 2018 - nature.com
Magnetization plateaus in quantum magnets—where bosonic quasiparticles crystallize into
emergent spin superlattices—are spectacular yet simple examples of collective quantum …

Candidate spin-liquid ground state in CsNdSe2 with an effective spin-1/2 triangular lattice

J **ng, S Mu, ES Choi, R ** - Communications Materials, 2024 - nature.com
Rare-earth-based triangular lattice materials are extremely attractive for studying
unconventional magnetism. Here, we report the magnetic properties of layered CsNdSe2 …

Role of alkaline metal in the rare-earth triangular antiferromagnet

F Grußler, M Hemmida, S Bachus, Y Skourski… - Physical Review B, 2023 - APS
We report crystal structure and magnetic behavior of the triangular antiferromagnet KYbO 2,
the A-site substituted version of the quantum spin liquid candidate NaYbO 2. The …

Interplay of 3d and 4f Magnetism in Chiral Y6FeSi2S14 and Tb6FeSi2S14 Chalcogenides

EH Gamage, NW Hewage, E Soto, HZ Aslam… - Chemistry of …, 2025 - ACS Publications
The family of chiral, noncentrosymmetric, quaternary sulfides R 6 (TM) x (E) 2Q14 (R= rare-
earth metal; TM= transition metal; E= Si, Ge, Sn, Al, or Ga; and Q= S or Se) presents an …

Half-magnetization plateau and the origin of threefold symmetry breaking in an electrically switchable triangular antiferromagnet

SC Haley, SF Weber, T Cookmeyer, DE Parker… - Physical Review …, 2020 - APS
We perform high-field magnetization measurements on the triangular lattice antiferromagnet
Fe 1/3 Nb S 2. We observe a plateau in the magnetization centered at approximately half the …