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Related papers: Complex magnetic structure in Ba5Ru3O12 with isola…

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Ba4NbIr3O12, a previously unreported material with a triangular planar geometry of Ir3O12 trimers, is described. Magnetic susceptibility measurements show no magnetic ordering down to 1.8 K despite the Curie-Weiss temperature of -13 K. The…

Strongly Correlated Electrons · Physics 2019-01-30 Loi T. Nguyen , R. J. Cava

Neutron diffraction, magnetization, resistivity, and heat capacity measurements on the 6H-perovskite Ba3BiRu2O9 reveal simultaneous magnetic and structural dimerization driven by strong magnetoelastic coupling. An isostructural but strongly…

Strongly Correlated Electrons · Physics 2015-06-03 Wojciech Miiller , Maxim Avdeev , Qingdi Zhou , Andrew J. Studer , Brendan J. Kennedy , Gordon J. Kearley , Chris D. Ling

A quantum-mechanical 1/3 magnetization plateau and magnetic long-range order appear in the large-spin (5/2) substance SrMn3P4O14. Magnetization results of SrMn3P4O14 can be explained by the spin-5/2 isolated antiferromagnetic linear trimer…

We present single-crystal neutron-diffraction data for the spin-chain compound Ca3Co2O6. The intensity and line shapes of the two families of Bragg peaks characterising both the antiferromagnetic and the ferromagnetic components of the…

Strongly Correlated Electrons · Physics 2017-04-03 C. L. Fleck , M. R. Lees , S. Agrestini , G. J. McIntyre , O. A. Petrenko

Several doped 6H hexagonal ruthenates, having the general formula Ba3MRu2O9, have been studied over a significant period of time in order to understand the unusual magnetism of ruthenium metal. However, among them, the M=Fe compound appears…

R2RhIn8 compounds (space group P4/mmm, R is a rare-earth element) belong to a large group of structurally related tetragonal materials which involves several heavy-fermion superconductors based on Ce. We have succeeded to grow single…

We present a detailed powder and single crystal neutron diffraction study of the spin chain compound Ca3Co2O6. Below 25 K, the system orders magnetically with a modulated partially disordered antiferromagnetic structure. We give a…

Strongly Correlated Electrons · Physics 2008-09-17 S. Agrestini , L. C. Chapon , A. Daoud-Aladine , J. Schefer , A. Gukasov , C. Mazzoli , M. R. Lees , O. A. Petrenko

We investigate the structural and magnetic properties of the new quantum magnet BaCuTe$_2$O$_6$. This compound is synthesized for the first time in powder and single crystal form. Synchrotron X-ray and neutron diffraction reveal a cubic…

Strongly Correlated Electrons · Physics 2021-03-17 A. Samartzis , D. Khalyavin , A. T. M. N. Islam , S. Chillal , K. Siemensmeyer , K. Prokes , D. J. Voneshen , A. Senyshyn , B. Lake

The magnetic behavior of the compound, Gd3Ru4Al12, which has been reported to crystallize in a hexagonal structure about two decades ago, had not been investigated in the past literature despite interesting structural features (that is,…

Strongly Correlated Electrons · Physics 2016-06-22 Venkatesh Chandragiri , Kartik K Iyer , E. V. Sampathkumaran

We present a single crystal neutron scattering study of BaMn2Bi2, a recently synthesized material with the same ThCr2Si2-type structure found in several Fe-based unconventional superconducting materials. We show long range magnetic order,…

Strongly Correlated Electrons · Physics 2014-10-31 S. Calder , B. Saparov , H. B. Cao , J. L. Niedziela , M. D. Lumsden , A. S. Sefat , A. D. Christianson

We have investigated the metamagnetic-like transition in the triple layer ruthenate Sr4Ru3O10 by means of neutron diffraction from single crystals. The magnetic structure of the compound appears to be determined in a complex way by the two…

Strongly Correlated Electrons · Physics 2019-06-10 L. Capogna , V. Granata , B. Ouladdiaf , J. A. Rodriguez-Velamazan , R. Fittipaldi , A. Vecchione

We report cooperative magnetic orderings in a 6H-perovskite multiferroic system, Ba3HoRu2O9, via comprehensive neutron powder diffraction measurements. This system undergoes long-range antiferromagnetic ordering at TN1 ~ 50 K with a…

Strongly Correlated Electrons · Physics 2020-07-29 T. Basu , V. Caignaert , F. Damay , T. W. Heitmann , B. Raveau , X. Ke

The crystal and magnetic structure of LaTiO3 ~ has been studied by x-ray and neutron diffraction techniques using nearly stoichiometric samples. We find a strong structural anomaly near the antiferromagnetic ordering, T$_N$=146 K. In…

Strongly Correlated Electrons · Physics 2009-11-10 M. Cwik , T. Lorenz , J. Baier , R. Mueller , G. Andre , F. Bouree , F. Lichtenberg , A. Freimuth , E. Mueller-Hartmann , M. Braden

The crystal growth and the structural, transport and magnetic properties of the magnetically frustrated YbMn$_2$Sb$_2$ single crystals are reported. The crystals show a trigonal symmetry (space group $P\bar{3}m1$), where corrugated…

Atomic Physics · Physics 2020-04-27 J. Munevar , F. R. Arantes , L. Mendonça-Ferreira , M. A. Avila , R. A. Ribeiro

To study the relationship between the properties of low-dimensional spin systems with weakly coupled Cu-triangles and their crystal structure, single crystals of $Cs_3Cu_3Cl_8OH$ (1) and the new $Cs_3Cu_3Cl_{7.6}Br_{0.4}OH$ (2) were grown.…

Unidirectional magnetoresistance (UMR) has been observed in a variety of stacks with ferromagnetic/spin Hall material bilayer structures. In this work, we reported UMR in antiferromagnetic insulator Fe2O3/Pt structure. The UMR has a…

Materials Science · Physics 2023-05-02 Yihong Fan , Pengxiang Zhang , Jiahao Han , Yang Lv , Luqiao Liu , Jian-Ping Wang

An unreported praseodymium substituted phase of the Bi-Ru-O system with formula Bi2.67Pr0.33Ru3O11was prepared. Its crystal structure and magnetic properties were investigated. Pr substituted occurs only on one of the two Bi sites. The…

Materials Science · Physics 2009-11-13 Siwar Zouari , Abdelwaheb Cheikh-Rouhou , Rafik Ballou , Pierre Strobel

We have prepared polycrystalline samples of the trimer Ir oxide BaIrO3 with face-shared Ir3O12 trimers, and have investigated the origin of the phase transition at 182 K by measuring resistivity, thermopower, magnetization and synchrotron…

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

Spinons are well-known as the elementary excitations of one-dimensional antiferromagnetic chains, but means to realize spinons in higher dimensions is the subject of intense research. Here, we use resonant x-ray scattering to study the…