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Heat-capacity behavior in the presence of externally applied magnetic field (H) up to 140 kOe is investigated (2-35 K) for the quasi-1-dimensional compound, Ca3Co2O6, believed to order magnetically with the so-called partially disordered…

Strongly Correlated Electrons · Physics 2009-11-10 E. V. Sampathkumaran , Z. Hiroi , S. Rayaprol , Y. Uwatoko

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…

Starting with the sqrt{3} x sqrt{3} and the q=0 states as reference states we use the coupled cluster method to high orders of approximation to investigate the ground state of the Heisenberg antiferromagnet on the kagome lattice for spin…

Strongly Correlated Electrons · Physics 2012-01-04 O. Götze , D. J. J. Farnell , R. F. Bishop , P. H. Y. Li , J. Richter

Counterintuitive order-disorder phenomena emerging in antiferromagnetically coupled spin systems have been reported in various studies. Here we perform a systematic effective field theory analysis of two-dimensional bipartite quantum…

Strongly Correlated Electrons · Physics 2021-06-21 Christoph P. Hofmann

We present a study of Sm$_3$Sb$_3$Zn$_2$O$_{14}$ (SSZO) through magnetization and specific heat capacity $C_p(T)$ measurements. SSZO contains well separated planes of Sm$^{3+}$ magnetic ions on a Kagom\'{e} lattice. Though our magnetic…

Strongly Correlated Electrons · Physics 2022-03-14 Vinod Kumar , S. Kundu , M. Baenitz , A. V. Mahajan

Experimental studies of high-purity kagome-lattice antiferromagnets (KAFM) are of great importance in attempting to better understand the predicted enigmatic quantum spin-liquid ground state of the KAFM model. However, realizations of this…

Strongly Correlated Electrons · Physics 2021-06-02 W. Sun , T. Arh , M. Gomilšek , P. Koželj , S. Vrtnik , M. Herak , J. -X. Mi , A. Zorko

The existence of a spin-liquid ground state of the $s=1/2$ Heisenberg kagome antiferromagnet (KAFM) is well established. Meanwhile, also for the $s=1$ Heisenberg KAFM evidence for the absence of magnetic long-range order (LRO) was found.…

Strongly Correlated Electrons · Physics 2017-04-25 Johannes Richter , Oliver Götze

We report a detailed study of the magnetic properties, critical analysis of magnetization, and magnetocaloric effect of a spin-$2$ kagome lattice YCa$_3$(MnO)$_3$(BO$_3$)$_4$. The experiments are complemented by the density functional band…

Materials Science · Physics 2025-07-29 A. Choudhary , A. Magar , S. Ghosh , S. Kanungo , R. Nath

We have grown the single crystals of CeMg$_3$ and its non-magnetic analogue LaMg$_3$, which crystallize in the cubic crystal structure with the space group \textit{Fm\rm{\={3}}m}, and studied their magnetic properties on well oriented…

Strongly Correlated Electrons · Physics 2012-07-18 Pranab Kumar Das , Neeraj Kumar , R. Kulkarni , A. Thamizhavel

The rare-earth intermetallic compound Ho$_5$Sn$_3$ demonstrates fascinating magnetic properties which include temperature-driven multiple magnetic transitions and field driven metamagnetism. We address the magnetic character of this…

Strongly Correlated Electrons · Physics 2021-12-15 Suman Mondal , Pushpendra Yadav , Anan Bari Sarkar , Prabir Dutta , Saurav Giri , Amit Agarwal , Subham Majumdar

Thermodynamic quantities and correlation functions (CFs) of the classical antiferromagnet on the kagom\'e lattice are studied for the exactly solvable infinite-component spin-vector model, D \to \infty. In this limit, the critical coupling…

Statistical Mechanics · Physics 2009-10-31 D. A. Garanin , Benjamin Canals

Quantum magnets based on honeycomb lattices with low-coordination number offer a viable ground to realize exotic emergent quantum excitations and phenomena arising from the interplay between competing magnetic interactions, spin…

Strongly Correlated Electrons · Physics 2024-11-14 J. Khatua , M. Gomilsek , Kwang-Yong Choi , P. Khuntia

We use a second-order rotational invariant Green's function method (RGM) and the high-temperature expansion (HTE) to calculate the thermodynamic properties, of the kagome-lattice spin-$S$ Heisenberg antiferromagnet with nearest-neighbor…

Strongly Correlated Electrons · Physics 2018-07-25 P. Müller , A. Zander , J. Richter

A comprehensive $^{31}$P nuclear magnetic resonance (NMR) study, combined with thermodynamic measurements and first-principle band-structure calculations, has been conducted to explore the ground state of the $S = 5/2$ double trillium…

Strongly Correlated Electrons · Physics 2025-12-08 Sebin J. Sebastian , Q. -P. Ding , A. A. Tsirlin , R. Nath , Y. Furukawa

We consider electronic correlation effects and their impact on magnetic properties of tetragonally distorted chemically ordered FeCo alloys (L1$_0$ structure) being a promising candidate for rare-earth-free permanent magnets. We employ a…

Strongly Correlated Electrons · Physics 2022-06-02 A. S. Belozerov , A. A. Katanin , V. I. Anisimov

We report on a heat capacity study of high quality single crystal samples of \lcvo\ -- a frustrated spin $S=1/2$ chain system -- in magnetic field amounting to 3/4 of the saturation field. At low fields up to about 7~T, a linear temperature…

Strongly Correlated Electrons · Physics 2015-01-15 L. A. Prozorova , S. S. Sosin , L. E. Svistov , N. Buettgen , J. B. Kemper , A. P. Reyes , S. Riggs , O. A. Petrenko , A. Prokofiev

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 results of magnetic susceptibility, electrical resistivity (rho), and heat capacity measurements as a function of temperature are reported for the alloys, Ce2Rh(1-x)Co(x)Si3, crystallizing in an AlB2-derived hexagonal strcture. Ce2RhSi3…

Strongly Correlated Electrons · Physics 2008-03-06 Swapnil Patil , Kartik K Iyer , K. Maiti , E. V. Sampathkumaran

The magnetic ground state of the hyper-kagome lattice in Na4Ir3O8 is explored via combined bulk magnetization, muon spin relaxation, and neutron scattering measurements. A short-range, frozen, state comprised of quasi-static moments…

The ferromagnetic (FM) nature of the metallic LaCo$_2$P$_2$ was investigated with the positive muon spin rotation, relaxation and resonance ($\mu^+$SR) technique. Transverse and zero field $\mu^+$SR measurements revealed that the compound…