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In this work we present a theoretical investigation into an antiferromagnetically coupled spin system, specifically ${\rm Cu}_{3}-X$ ($\mathrm{X=As,Sb}$), which exhibits an isosceles triangular configuration or slightly distorted…

Strongly Correlated Electrons · Physics 2025-04-25 G. A. Antonio , J. Torrico , A. S. da Mata , S. M. de Souza , Onofre Rojas

We report the low temperature magnetic properties of the DyScO$_3$ perovskite, which were characterized by means of single crystal and powder neutron scattering, and by magnetization measurements. Below $T_{\mathrm{N}}=3.15$ K, Dy$^{3+}$…

The search for the experimental evidence of quantum spin liquid (QSL) states is critical but extremely challenging, as the quenched interaction randomness introduced by structural imperfection is usually inevitable in real materials.…

Strongly Correlated Electrons · Physics 2022-11-08 Fangjun Lu , Long Yuan , Jian Zhang , Boqiang Li , Yongkang Luo , Yuesheng Li

The magnetic properties of polycrystaline La0.5Ba0.5CoO2.5+d (d = 0.44 and 0.485) where investigated using muon spin relaxation and bulk magnetization experiments. Below a Curie temperature of T_C = 160 K and 180 K, respectively, a magnetic…

Strongly Correlated Electrons · Physics 2011-11-23 M. Stingaciu , H. Luetkens , Y. G. Pashkevich , E. Pomjakushina , K. Conder , H. -H. Klauss

We report on a study of the electronic and magnetic properties of the triangular antiferromagnetic $\{Cu_3\}$ single-molecule magnet, based on spin density functional theory. Our calculations show that the low-energy magnetic properties are…

Mesoscale and Nanoscale Physics · Physics 2010-08-09 M. Fhokrul Islam , Javier F. Nossa , Carlo M. Canali , Mark Pederson

Here, we report both ac and dc magnetization, thermodynamic and electric properties of hexagonal Ba$_3$NiIr$_2$O$_9$. The Ni$^{2+}$ (spin-1) forms layered triangular-lattice and interacts antiferromagnetically while Ir$^{5+}$ is believed to…

Strongly Correlated Electrons · Physics 2021-07-14 Shobha Gondh , Manju Mishra Patidar , Kranti Kumar , M. P. Saravanan , V. Ganesan , A. K. Pramanik

High-quality single crystals of NaYbSe$_2$, which resembles a perfect triangular-lattice antiferromagnet without the intrinsic disorder, are investigated by magnetization and specific heat, as well as the local probe techniques nuclear…

Noncentrosymmetric triangular magnets offer a unique platform for realizing strong quantum fluctuations. However, designing these quantum materials remains an open challenge attributable to a knowledge gap in the tunability of competing…

Trillium lattices, where magnetic ions form a three-dimensional chiral network of corner-sharing equilateral triangular motifs, offer a prominent platform to explore exotic quantum states. In this work, we report ground-state properties of…

Single crystal neutron diffraction, inelastic neutron scattering, bulk magnetization measurements, and first-principles calculations are used to investigate the magnetic properties of the honeycomb lattice $\rm Tb_2Ir_3Ga_9$. While the…

The spin-$1/2$ Heisenberg antiferromagnet on the square-kagome (SK) lattice has attracted growing attention as a model system of highly frustrated quantum magnetism. A further motivation for theoretical studies comes from the recent…

Strongly Correlated Electrons · Physics 2023-06-22 Johannes Richter , Jürgen Schnack

A detailed study of the structural and magnetic properties of a spin-$5/2$ triangular lattice antiferromagnet RbFe(HPO$_{3}$)$_{2}$ is presented using x-ray diffraction, magnetization, heat capacity, and $^{31}$P nuclear magnetic resonance…

Materials Science · Physics 2025-11-24 V. Nagpal , Sebin J. Sebastian , Surya P. Patra , S. Shibash , Q. -P. Ding , Y. Furukawa , R. Nath

Spin semimetals are a recently discovered new class of spintronic materials, which exhibit a band gap in one spin channel while a semimetallic feature in the other and thus allows for tunable spin transport. Here, we present experimental…

EuTiO_3, which is a G-type antiferromagnet below T_N = 5.5 K, has some fascinating properties at high temperatures, suggesting that macroscopically hidden dynamically fluctuating weak magnetism exists at high temperatures. This conjecture…

Materials Science · Physics 2014-09-04 Z. Guguchia , H. Keller , R. K. Kremer , J. Kohler , H. Luetkens , T. Goko , A. Amato , A. Bussmann-Holder

We set forth the structural and magnetic properties of the frustrated spin-$5/2$ triangle lattice antiferromagnet Na$_3$Fe(PO$_4$)$_2$ examined via x-ray diffraction, magnetization, heat capacity, and neutron diffraction measurements on the…

Materials Science · Physics 2022-01-26 Sebin J. Sebastian , A. Jain , S. M. Yusuf , M. Uhlarz , R. Nath

Magnetic susceptibility and muon spin relaxation (muSR) experiments have been carried out on the quasi-2D triangular-lattice spin S = 2 antiferromagnet FeGa2S4. The muSR data indicate a sharp onset of a frozen or nearly-frozen spin state at…

Strongly Correlated Electrons · Physics 2015-06-11 Songrui Zhao , P. Dalmas de R/'eotier , A. Yaouanc , D. E. MacLaughlin , J. M. Mackie , O. O. Bernal , Y. Nambu , T. Higo , S. Nakatsuji

After the discovery of the ARECh2 (A=alkali or monovalent ions, RE=rare-earth, Ch= chalcogen) triangular lattice quantum spin liquid (QSL) family, a series of its oxide, sulfide, and selenide counterparts has been consistently reported and…

Strongly Correlated Electrons · Physics 2024-08-20 Weiwei Liu , Zheng Zhang , Dayu Yan , Jianshu Li , Zhitao Zhang , Jianting Ji , Feng Jin , Youguo Shi , Qingming Zhang

We report magnetic properties of a 4f-honeycomb iodide SmI3 made up of edge-shared network of SmI6 octahedra. High temperature magnetic susceptibility indicates {\Gamma}7 Kramers doublet ground state of Sm3+ (4f5) ions stabilized by the…

Magnetization and specific heat measurements have been carried out on Cs$_2$Cu$_3$ZrF$_{12}$ and Cs$_2$Cu$_3$HfF$_{12}$ single crystals, in which Cu$^{2+}$ ions with spin-1/2 form a regular Kagom\'{e} lattice. The antiferromagnetic exchange…

Strongly Correlated Electrons · Physics 2015-06-25 Y. Yamabe , T. Ono , T. Suto , H. Tanaka

We study magnetism on the fcc lattice with tetragonal distortions, with general exotic directional magnetic interactions allowed by symmetry. We consider two models, corresponding to a uniform tetragonal distortion, or a two-sublattice…

Strongly Correlated Electrons · Physics 2014-12-05 Hiroaki Ishizuka , Leon Balents