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Related papers: Magnetic structure of Sm2IrIn8

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X-ray diffraction with photon energies near the Ru L$_2$-absorption edge was used to detect resonant reflections characteristic of a G-type superstructure in RuSr$_2$GdCu$_2$O$_8$ single crystals. A polarization analysis confirms that these…

The magnetic structures of the title compounds have been studied by neutron diffraction. In contrast to the isomorphous RNi2B2C compounds wherein a variety of exotic incommensurate modulated structures has been observed, the magnetic…

Strongly Correlated Electrons · Physics 2010-01-25 M. ElMassalami , R. Moreno , H. Takeya , B. Ouladdiaf , J. W. Lynn , R. S. Freitas

The polar magnets A$_2$Mo$_3$O$_8$ (A=Fe, Mn, Co, and Ni) feature a bipartite structure, where the magnetic A$^{2+}$ ions occupy two different sites with octahedral and tetrahedral oxygen coordinations. This bipartite structure provides a…

Strongly Correlated Electrons · Physics 2025-01-15 Junbo Liao , Zhentao Huang , Bo Zhang , Yanyan Shangguan , Shufan Cheng , Hao Xu , Zihang Song , Shuai Dong , Devashibhai Adrojia , Song Bao , Jinsheng Wen

The magnetic structure of honeycomb iridate Na$_2$IrO$_3$ is of paramount importance to its exotic properties. The magnetic order is established experimentally to be zigzag antiferromagnetic. However, the previous assignment of ordered…

Materials Science · Physics 2015-10-20 Kaige Hu , Fa Wang , Ji Feng

We report a neutron diffraction and muon spin relaxation muSR study of static and dynamical magnetic properties of BaCo2V2O8, a quasi-one-dimensional spin-chain system. A proposed model for the antiferromagnetic structure includes: a…

Neutron diffraction, polarized neutron transmission, and small angle neutron scattering have been used to investigate the crystal structure and nature of the magnetic order in a polycrystalline sample of RuSr2Eu1.2Ce0.8Cu2O10. The sample…

Superconductivity · Physics 2009-11-11 J. W. Lynn , Y. Chen , Q. Huang , S. K. Goh , G. V. M. Williams , J. L. Tallon

The low-temperature behavior of Ce2RuZn4 has been investigated. Specific heat and magnetic susceptibility data reveal an antiferromagnetic transition at a Neel temperature of 2 K. Ce2RuZn4 is a static intermediate-valent compound with two…

Strongly Correlated Electrons · Physics 2008-12-16 Volker Eyert , Ernst-Wilhelm Scheidt , Wolfgang Scherer , Wilfried Hermes , Rainer Poettgen

A detailed investigation of Ba$_2$MnGe$_2$O$_7$ was performed in its low-temperature magnetoelectric state combining neutron diffraction with magnetization measurements on single crystals. In the paramagnetic state at 10 K, polarized…

Strongly Correlated Electrons · Physics 2023-03-07 A. Sazonov , H. Thoma , R. Dutta , M. Meven , A. Gukasov , R. Fittipaldi , V. Granata , T. Masuda , B. Náfrádi , V. Hutanu

Inelastic neutron scattering is employed to study the reciprocal-space structure and dispersion of magnetic excitations in the normal and superconducting states of single-crystalline Rb0.8Fe1.6Se2. We show that the recently discovered…

Magnetic resonant X ray scattering experiments have been performed on a single crystal of EuFe_2As_2 at the Eu L_3 absorption edge. This has permitted us to determine for the first time the orientation of Eu magnetic moments in the…

The magnetic structure of superconducting Eu(Fe0.82Co0.18)2As2 is unambiguously determined by single-crystal neutron diffraction. A long-range ferromagnetic order of the Eu2+ moments along the c-direction is revealed below the magnetic…

Superconductivity · Physics 2014-05-06 W. T. Jin , S. Nandi , Y. Xiao , Y. Su , O. Zaharko , Z. Guguchia , Z. Bukowski , S. Price , W. H. Jiao , G. H. Cao , Th. Brueckel

We report the magnetic structure of nominally 10% Cd-doped CeIrIn$_5$, CeIr(In$_{0.9}$Cd$_{0.1}$)$_5$, determined by elastic neutron scattering. Magnetic intensity was observed only at the ordering wave vector $Q_{AF} = (1/2,1/2,1/2)$,…

Strongly Correlated Electrons · Physics 2020-05-29 K. Beauvois , N. Qureshi , R. Tsunoda , Y. Hirose , R. Settai , D. Aoki , P. Rodière , A. McCollam , I. Sheikin

We used single-crystal x-ray and neutron diffraction to investigate the crystal and magnetic structures of trigonal lattice iridate Ca2Sr2IrO6. The crystal structure is determined to be $R\bar3$ with two distinct Ir sites. The system…

Strongly Correlated Electrons · Physics 2018-06-14 Jieming Sheng , Feng Ye , Christina Hoffmann , Valentino R. Cooper , Satoshi Okamoto , Jasminka Terzic , Hao Zheng , Hengdi Zhao , G. Cao

Magnetic structure of tetragonal UAu$_2$Si$_2$ was investigated by single-crystal neutron diffraction experiments. Below $T_{\rm N}$ = 20 K it orders antiferromagnetically with a propagation vector of $k = (2/3, 0, 0)$ and magnetic moments…

We investigated the magnetic structure and dynamics of YbMnBi$_2$, with elastic and inelastic neutron scattering, to shed light on the topological nature of the charge carriers in the antiferromagnetic phase. We confirm C-type…

Polycrystalline samples of Sr2Mn2CuAs2O2, Sr2Mn3As2O2, and Sr2Zn2MnAs2O2 were synthesized. Their temperature- and applied magnetic field-dependent structural, transport, thermal, and magnetic properties were characterized by means of x-ray…

Superconductivity · Physics 2010-11-12 R. Nath , V. O. Garlea , A. I. Goldman , D. C. Johnston

We have investigated the magnetic ground state of the antiferromagnetic Kondo-lattice compounds CeMAl$_{4}$Si$_{2}$ (M = Rh, Ir) using neutron powder diffraction. Although both of these compounds show two magnetic transitions $T_{N1}$ and…

Strongly Correlated Electrons · Physics 2015-06-03 N. J. Ghimire , S. Calder , M. Janoschek , E. D. Bauer

Realizing topological semimetal states with novel emergent fermions in magnetic materials is a focus of current research. Based on first-principle calculations and symmetry analysis, we reveal interesting magnetic emergent fermions in an…

Materials Science · Physics 2023-10-19 Yongheng Ge , Ziming Zhu , Zeying Zhang , Weikang Wu , Cong Xiao , Shengyuan A. Yang

The magnetization, magnetic susceptibility, and specific heat of the single crystalline sample SmRh$_2$Zn$_{20}$ were measured. The valence of Sm ions in SmRh$_2$Zn$_{20}$ was found to be trivalent. No evidence of valence fluctuations was…

Strongly Correlated Electrons · Physics 2016-02-17 Yosikazu Isikawa , Toshio Mizushima , Aika Fujita , Tomohiko Kuwai

Crystals of SrMn2Sb2 and BaMn2Sb2 were grown using Sn flux and characterized by powder and single-crystal x-ray diffraction, respectively, and by single-crystal electrical resistivity rho, heat capacity Cp, and magnetic susceptibility chi…

Strongly Correlated Electrons · Physics 2018-01-10 N. S. Sangeetha , V. Smetana , A. -V. Mudring , D. C. Johnston