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Magnetization, torque magnetometry, specific heat and nuclear magnetic resonance (NMR) are used to study the high field intermediate phase between the 1/3-magnetization plateau and polarized state in the quantum Ising antiferromagnet…

Strongly Correlated Electrons · Physics 2025-09-09 K. Shi , Y. Q. Han , B. C. Yu , L. S. Ling , W. Tong , C. Y. Xi , T. Shang , Zhaosheng Wang , Li Pi , Long Ma

Here we present a neutron scattering-based study of magnetic excitations and magnetic order in NaYbO$_2$ under the application of an external magnetic field. The crystal electric field-split $J = 7/2$ multiplet structure is determined,…

Polar materials can host a variety of topologically significant magnetic phases, which often emerge from a modulated magnetic ground state. Relatively few noncentrosymmetric tetragonal materials have been shown to host topological spin…

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…

The stretched diamond lattice material LiYbO2 has recently been reported to exhibit two magnetic transitions ($T_{N1} = 1.1 K$, $T_{N2} = 0.45 K$) via specific heat, magnetization, and neutron scattering measurements [Bordelon et al., Phys.…

Strongly Correlated Electrons · Physics 2022-10-19 Eric M. Kenney , Mitchell M. Bordelon , Chennan Wang , Hubertus Luetkens , Stephen D. Wilson , Michael J. Graf

The hole-doped kagome lattice of Cu2+ ions in LaCuO2.66 was investigated by nuclear quadrupole resonance (NQR), electron spin resonance (ESR), electrical resistivity, bulk magnetization and specific heat measurements. For temperatures above…

Strongly Correlated Electrons · Physics 2013-09-05 M. -H. Julien , V. Simonet , B. Canals , R. Ballou , A. K. Hassan , M. Affronte , V. O. Garlea , C. Darie , P. Bordet

The anisotropic triangular lattice of the crednerite system Cu(Mn1-xCux)O2 is used as a basic model for studying the influence of spin disorder on the ground state properties of a two-dimensional frustrated antiferromagnet. Neutron…

Strongly Correlated Electrons · Physics 2011-03-31 V. Ovidiu Garlea , Andrei T. Savici , Rongying Jin

The two-dimensional (2D) spin-1/2 kagome Heisenberg antiferromagnet is believed to host quantum spin liquid (QSL) states with no magnetic order, but its ground state remains largely elusive. An important outstanding question concerns the…

Strongly Correlated Electrons · Physics 2024-05-30 S. Suetsugu , T. Asaba , Y. Kasahara , Y. Kohsaka , K. Totsuka , B. Li , Y. Zhao , Y. Li , M. Tokunaga , Y. Matsuda

Magnetoelectric and magnetoelastic phenomena correlated with a phase transition into noncollinear magnetic phase have been investigated for single crystals of CuFeO2 with a frustrated triangular lattice. CuFeO2 exhibits several…

Strongly Correlated Electrons · Physics 2009-11-11 T. Kimura , J. C. Lashley , A. P. Ramirez

Due to the large perpendicular magnetic anisotropy originating from spin-orbit coupling, magnetoelastic coupling is generally reported in easy-plane magnets with rectangular lattice where the easy magnetization is coupled with the lattice…

Materials Science · Physics 2024-11-08 Yu Liao , Yueqiao Qu , Zuo Li , Yu Chen , Liang Liu , Jun-Zhong Wang , Gang Yao

The magnetic ground state and the crystalline electric field level scheme of the triangular lattice antiferromagnet KCeO$_2$ are investigated. Below $T_N =$ 300 mK, KCeO$_2$ develops signatures of magnetic order in specific heat…

The manganese tellurate Li2MnTeO6 consists of trigonal spin lattices made up of Mn4+ (d3, S = 3/2) ions. The magnetic properties of this compound were characterized by several experimental techniques, which include magnetic susceptibility,…

The ground state of an S=1/2 antiferromagnetic Heisenberg model on a spatially anisotropic triangular lattice, which is an effective model of Mott insulators on a triangular layer of organic charge transfer salts or Cs2CuCl4, is numerically…

Strongly Correlated Electrons · Physics 2012-11-19 Kenji Harada

In this paper, we investigate the physical properties of the type II multiferroic GdMn$_2$O$_5$ material by means of neutrons scattering, electric polarization and magnetization measurements. A complex $(T,H)$ phase diagram shows up, with…

Strongly Correlated Electrons · Physics 2023-07-13 Balédent V , Vaunat A. , Petit S. , L. Nataf , Chattopadhyay S. , Raymond S. , Foury-Leylekian P

We identify and discuss the ground state of a quantum magnet on a triangular lattice with bond-dependent Ising-type spin couplings, that is, a triangular analog of the Kitaev honeycomb model. The classical ground-state manifold of the model…

Strongly Correlated Electrons · Physics 2015-11-24 George Jackeli , Adolfo Avella

We study the thermodynamics of Ising spins on the triangular kagome lattice (TKL) using exact analytic methods as well as Monte Carlo simulations. We present the free energy, internal energy, specific heat, entropy, sublattice…

Statistical Mechanics · Physics 2008-04-28 Yen Lee Loh , Dao-Xin Yao , Erica W. Carlson

A new type of magnetically frustrated lattice is found in the layered fluoride NaBa2Mn3F11. A kagome-type array of regular triangles composed of Mn2+ ions (spin 5/2) deforms so as to generate the next-nearest-neighbor interaction J2 between…

Materials Science · Physics 2014-03-11 Hajime Ishikawa , Tsuyoshi Okubo , Yoshihiko Okamoto , Zenji Hiroi

Ag2CrO2 is an S=3/2 frustrated triangular lattice antiferromagnet without orbital degree of freedom. With decreasing temperature, a 4-sublatice spin state develops. However, a long-range partially disordered state with 5 sublattices…

Strongly Correlated Electrons · Physics 2012-04-13 M. Matsuda , H. Yoshida , M. Isobe , C. de la Cruz , R. S. Fishman

A quantum spin liquid (QSL) is an exotic state of matter characterized by quantum entanglement and the absence of any broken symmetry. A long-standing open problem, which is a key for fundamental understanding the mysterious QSL states, is…

The Nd-langasite compound contains planes of magnetic Nd3+ ions on a lattice topologically equivalent to a kagom\'{e} net. The magnetic susceptibility does not reveal any signature of long-range ordering down to 2 K but rather a correlated…