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We present a neutron and x-ray scattering investigation of Ca$_3$LiOsO$_6$, a material predicted to host magnetic ordering solely through an extended superexchange pathway involving two anions, an interaction mechanism that has undergone…

Strongly Correlated Electrons · Physics 2012-08-13 S. Calder , M. D. Lumsden , V. O. Garlea , J. -W. Kim , Y. G. Shi , H. L. Feng , K. Yamaura , A. D. Christianson

Magnetic and crystallographic properties of the mineral langite Cu$_4$(OH)$_6$SO$_4\cdot 2$H$_2$O are reported. Its layered crystal structure features a peculiar spatial arrangement of spin-$\frac12$ Cu$^{2+}$ ions that arises from a…

Strongly Correlated Electrons · Physics 2017-02-10 Stefan Lebernegg , Alexander A. Tsirlin , Oleg Janson , Günther J. Redhammer , Helge Rosner

Crystal and magnetic structures of the mineral centennialite CaCu$_3$(OH)$_6$Cl$_2\cdot0.6$H$_2$O are investigated by means of synchrotron x-ray diffraction and neutron diffraction measurements complemented by density functional theory…

We have used high-resolution neutron Larmor diffraction and capacitative dilatometry to investigate spontaneous and forced magnetostriction in undoped, antiferromagnetic YBa$_2$Cu$_3$O$_{6.0}$, the parent compound of a prominent family of…

Strongly Correlated Electrons · Physics 2016-02-29 B. Nafradi , T. Keller , F. Hardy , C. Meingast , A. Erb , B. Keimer

We studied the crystal and magnetic structure of the La$_{1-x}$Ca$_{x}$MnO$_{3}$ compound for $x=0.8$ and $x=0.85$. At T=300 K both samples are paramagnetic with crystallographic symmetry $Pnma$. At low temperatures they undergo a…

Strongly Correlated Electrons · Physics 2016-08-16 M. Pissas , G. Kallias , M. Hofmann , D. M. Többens

Using powder neutron diffraction we have discovered an unusual magnetic order-order transition in the Ising spin chain compound Ca3Co2O6. On lowering the temperature an antiferromagnetic phase with propagation vector k=(0.5,-0.5,1) emerges…

Strongly Correlated Electrons · Physics 2011-05-17 S. Agrestini , C. L. Fleck , L. C. Chapon , C. Mazzoli , A. Bombardi , M. R. Lees , O. A. Petrenko

The antiferromagnetic structure of Yb$_{3}$Ga$_{5}$O$_{12}$ is identified by neutron diffraction experiments below the previously-known transition at $T_{\lambda}=54$ mK. The magnetic propagation vector is found to be ${\bf k}=(1/2, 1/2,…

Strongly Correlated Electrons · Physics 2024-12-06 S. Raymond , E. Lhotel , E. Riordan , E. Ressouche , K. Beauvois , C. Marin , M. E. Zhitomirsky

The magnetic properties of the cobaltite {\BCAO}, a good realization of the quasi two-dimensional frustrated honeycomb-lattice system with strong planar anisotropy, have been reinvestigated by means of spherical neutron polarimetry with…

Materials Science · Physics 2018-01-23 L. P. Regnault , C. Boullier , J. E. Lorenzo

Three-dimensionally (3D) frustrated magnets generally exist in the magnetic diamond and pyrochlore lattices, in which quantum fluctuations suppress magnetic orders and generate highly entangled ground states (GS). LiYbSe2 in a previously…

Strongly Correlated Electrons · Physics 2022-06-15 Ranuri S. Dissanayaka Mudiyanselage , Haozhe Wang , Olivia Vilella , Martin Mourigal , Gabriel Kotliar , Weiwei Xie

The substitution of zinc for iron in YBaFe4O7 has allowed the oxide series YBaFe4-xZnxO7, with 0.40 < x < 1.50, belonging to the "114" structural family to be synthesized. These oxides crystallize in the hexagonal symmetry (P63mc), as…

Materials Science · Physics 2010-05-05 Tapati Sarkar , V. Pralong , V. Caignaert , B. Raveau

Ho$_3$ScO$_6$ harbours a frustrated Maple Leaf Lattice (MLL). It crystalizes in the Mg$_3$TeO$_6$-type structure, and has a centrosymmetric trigonal space group (R$\bar{3}$). This system contains stacked layers of magnetic rings along the…

Strongly Correlated Electrons · Physics 2024-10-29 C. Aguilar-Maldonado , R. Feyerherm , K. Prokeš , L. Keller , B. Lake

The magnetic and structural properties of polycrystalline Co$_{4-x}$ Ni$_x$ Nb$_2$ O$_9$ (x=1,2) have been investigated by neutron powder diffraction, magnetization and heat capacity measurements, and density functional theory (DFT)…

The development of short- and long-range magnetic order induced in a frustrated zig-zag ladder compound SrDy2O4 by an applied field is studied using neutron diffraction techniques. In zero field, SrDy2O4 lacks long-range magnetic order down…

Strongly Correlated Electrons · Physics 2017-04-25 O. A. Petrenko , O. Young , D. Brunt , G. Balakrishnan , P. Manuel , D. D. Khalyavin , C. Ritter

Our polycrystalline sample study on the Yb-based chalcogenide spinels $A$Yb$_2$$X_4$ ($A =$ Cd, Mg, $X =$ S, Se) has revealed frustrated magnetism due to the antiferromagnetically coupled Heisenberg spin on the pyrochlore lattice. Our…

Strongly Correlated Electrons · Physics 2017-06-07 Tomoya Higo , Kensuke Iritani , Mario Halim , Wataru Higemoto , Takashi U. Ito , Kentaro Kuga , Kenta Kimura , Satoru Nakatsuji

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.…

The crystal and magnetic structures and underlying magnetic interactions of Bi4Fe5O13F, a model system for studying the physics of the Cairo pentagonal spin lattice, are investigated by transmission electron microscopy, low-temperature…

The low-temperature magnetic properties of LaCoGe with the tetragonal CeFeSi-type structure were investigated by ^{59}Co- and ^{139}La-nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) measurements. The nuclear…

Strongly Correlated Electrons · Physics 2015-06-16 Kosuke Karube , Taisuke Hattori , Kenji Ishida , Nobuyuki Tamura , Kazuhiko Deguchi , Noriaki K. Sato

The unusual magnetic properties of a novel low-dimensional quantum ferrimagnet Cu$_2$Fe$_2$Ge$_4$O$_{13}$ are studied using bulk methods, neutron diffraction and inelastic neutron scattering. It is shown that this material can be described…

Strongly Correlated Electrons · Physics 2009-11-10 T. Masuda , A. Zheludev , B. Grenier , S. Imai , K. Uchinokura , E. Ressouche , S. Park

Frustrated magnetism continues to attract significant attention due to its potential to host novel quantum many-body phenomena and associated exotic excitations that transcend existing paradigms. Herein, we present our reply to the comment…

Strongly Correlated Electrons · Physics 2026-03-17 J. Khatua , T. Arh , Shashi B. Mishra , H. Luetkens , A. Zorko , B. Sana , M. S. Ramachandra Rao , B. R. K. Nanda , P. Khuntia

The geometrically-frustrated spin glass Y2Mo2O7 has been considered widely to be crystallographically ordered with a unique nearest neighbor magnetic exchange interaction, J. To test this assertion, we present x-ray-absorption…

Statistical Mechanics · Physics 2009-10-31 C. H. Booth , J. S. Gardner , G. H. Kwei , R. H. Heffner , F. Bridges , M. A. Subramanian