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Na2Co2TeO6 is a proposed approximate Kitaev magnet, yet its actual magnetic interactions are elusive due to a lack of knowledge on the full excitation spectrum. Here, using inelastic neutron scattering and single crystals, we determine the…

Strongly Correlated Electrons · Physics 2022-10-04 Weiliang Yao , Kazuki Iida , Kazuya Kamazawa , Yuan Li

Using thermodynamic measurements and density-functional band-structure calculations, we explore magnetic behavior of SrCuTe2O6. Despite being a structural sibling of a three-dimensional frustrated system PbCuTe2O6, this spin-1/2 quantum…

Materials Science · Physics 2015-06-29 N. Ahmed , A. A. Tsirlin , R. Nath

The spin-chain compounds, Ca3CuIrO6 and Ca3CuRhO6, crystallizing in a K4CdCl6-derived monoclinic structure, are investigated by ac and dc magnetization, isothermal remnant magnetization as well as heat capacity measurements. The results…

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

We report a muSR study of LiCrO2, which has a magnetic lattice made up of a stacking of triangular Heisenberg antiferromagnetic (Cr3+, S = 3/2) layers. A static magnetically ordered state is observed below the transition temperature T_N =…

Strongly Correlated Electrons · Physics 2009-06-09 A. Olariu , P. Mendels , F. Bert , L. K. Alexander , A. V. Mahajan , A. D. Hillier , A. Amato

The results of ac and dc magnetization and heat capacity measurements as a function of temperature (T = 1.8 to 300 K) are reported for a quasi-one-dimensional compound, Ca$_3$CuMnO$_6$, crystallizing in a triclinically distorted…

Strongly Correlated Electrons · Physics 2009-11-10 Kausik Sengupta , S. Rayaprol , K. K. Iyer , E. V. Sampathkumaran

We have investigated the magnetic behavior of the nano crystals, synthesized by high-energy ball-milling, for a well-known geometrically frustrated spin-chain system, Ca3CoRhO6, and compared its magnetic characteristics with those of the…

Strongly Correlated Electrons · Physics 2015-05-13 Niharika Mohapatra , Kartik K Iyer , B. A. Chalke , E. V. Sampathkumaran

We report the nature of magnetic structure, microscopic spin-spin correlations and their dependence on the underlying crystal structure of the geometrically frustrated layered spin-3/2 maple-leaf-lattice (MLL) antiferromagnet Na2Mn3O7 by a…

Strongly Correlated Electrons · Physics 2023-02-21 B. Saha , A. K. Bera , S. M. Yusuf , A. Hoser

Structural, magnetic, and dielectric properties of Sm$_2$CoMnO$_6$ have been studied. X-ray diffraction and Rietveld analysis show that the sample crystallizes in the monoclinic structure with \textit{P2$_1$/n} space group. Magnetic study…

Strongly Correlated Electrons · Physics 2020-04-29 Ilyas Noor Bhatti , Imtiaz Noor Bhatti , Rabindra Nath Mahato , M. A. H. Ahsan

The spin-web compound Cu3TeO6, belongs to an intriguing group of materials where magnetism is governed by 3d9 copper Cu2+ ions. This compound has been sparsely experimentally studied and we here present the first investigation of its local…

Strongly Correlated Electrons · Physics 2013-07-30 Martin Mansson , Krunoslav Prsa , Jun Sugiyama , Daniel Andreica , Hubertus Luetkens , Helmuth Berger

Two-dimensional (2D) magnetic materials have attracted considerable interest owing to their potential applications in spintronics and fundamental investigations into low-dimensional magnetism. Cr2Te3, a quasi 2D non van der Waals magnet,…

Materials Science · Physics 2025-03-27 Long Zhang , Zhongzhu Jiang , Yugang Zhang , Jing Zhang , Aifeng Wang , Mingquan He , Yuping Sun , Xuan Luo , Yisheng Chai

The magnetic properties of Ba3TiRu2O9 , whose crystal structure is based on stacked triangular planar lattices of MO6 dimers and single MO6 octahedra, are reported. The system is magnetically disturbed by a substantial amount of Ti/Ru…

Strongly Correlated Electrons · Physics 2020-11-03 Loi T. Nguyen , R. J. Cava

The crystal structure, magnetic ground state, and the temperature dependent microscopic spin-spin correlations of the frustrated honeycomb lattice antiferromagnet Na2Co2TeO6 have been investigated by powder neutron diffraction. A three…

Strongly Correlated Electrons · Physics 2017-03-29 A. K. Bera , S. M. Yusuf , Amit Kumar , C. Ritter

Thermodynamic experiments as well as Raman scattering have been used to study the magnetic instabilities in the spin-tetrahedra systems Cu_2Te_2O_5X_2, X=Cl and Br. While the phase transition observed in the Cl system at T_o=18.2 K is…

Strongly Correlated Electrons · Physics 2009-11-07 P. Lemmens , K. -Y. Choi , E. E. Kaul , Ch. Geibel , K. Becker , W. Brenig , R. Valenti , C. Gros , M. Johnsson , P. Millet , F. Mila

The effects of Co2+ doping on the structural, magnetic and dielectric properties of the multiferroic frustrated antiferromagnet Mn3TeO6 have been investigated. Ceramic samples of the solid solution series Mn3-xCoxTeO6 were prepared by a…

Materials Science · Physics 2014-04-15 S. A. Ivanov , R. Mathieu , P. Nordblad , C. Ritter , R. Tellgren , N. Golubko , A. Mosunov , E. D. Politova , M. Weil

We report the synthesis of fine particles of a well-known geometrically frustrated spin-chain compound Ca3Co2O6 through a new route, namely, a pyrophoric method employing triathanolamine (TEA) and studied the magnetic behavior of such…

Strongly Correlated Electrons · Physics 2010-01-28 K. Mukherjee , E. V. Sampathkumaran

Structural, magnetic and dielectric properties have been studied for Yb$_2$CoMnO$_6$. Nano-crystalline sample of Yb$_2$CoMnO$_6$ synthesized by sol-gel method and structural analysis shows that the sample crystallizes in monoclinic crystal…

Strongly Correlated Electrons · Physics 2020-10-28 Ilyas Noor Bhatti , Imtiaz Noor Bhatti , Rabindra Nath Mahato , M. A. H. Ahsan

The monoclinic double-perovskite Sr2YRuO6 has recently gained a renewed interest in order to get a deeper insight into the exotic magnetic ground states associated with geometric frustration. Striking discrepancies between the spin order…

Materials Science · Physics 2016-04-19 P. L. Bernardo , L. Ghivelder , H. S. Amorim , J. J. Neumeier , S. Garcia

This work reports the synthesis, structure and magnetic properties of the single crystal of a facile spin 1/2 one dimensional Heisenberg antiferromagnet bis(4-aminopyridinium) bis(oxalato)cuprate(II) dihydrate, (C 5 H 7 N 2 ) 2 [Cu(C 2 O 4…

Large-spin two-dimensional magnets are generally expected to develop conventional long-range order once the dominant exchange scale becomes appreciable. The layered spin-$3/2$ maple-leaf compound Na$_2$Mn$_3$O$_7$ defies this expectation:…

Strongly Correlated Electrons · Physics 2026-02-27 Hari Borutta , Tobias Müller , Ronny Thomale , Harald O. Jeschke , Yasir Iqbal

Na$_{4-\delta}$NiTeO$_{6}$ is a rare example in the transition-metal tellurate family of realizing an $S$ = 1 spin-chain structure. By performing neutron powder diffraction measurements, the ground-state magnetic structure of…

Strongly Correlated Electrons · Physics 2022-08-04 Cheng Su , Xu-Tao Zeng , Yi Li , Nvsen Ma , Zhengwang Lin , Chuandi Zhang , Chin-Wei Wang , Ziyu Chen , Xingye Lu , Wei Li , Xian-Lei Sheng , Wentao Jin