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Related papers: Complex magnetic structure in Ba5Ru3O12 with isola…

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Magnetic structure of the heavy fermion antiferromagnet Ce2RhIn8 is determined using neutron diffraction.

Strongly Correlated Electrons · Physics 2007-05-23 Wei Bao , P. G. Pagliuso , J. L. Sarrao , J. D. Thompson , Z. Fisk , J. W. Lynn

SrRu2O6 has unique magnetic properties. It is characterized by a very high N\'eel temperature, despite its quasi-two-dimensional structure, and has a magnetic moment more than twice reduced compared to the formal ionic count. First…

Strongly Correlated Electrons · Physics 2015-10-21 S. Streltsov , I. I. Mazin , K. Foyevtsova

In twisted two-dimensional (2D) magnets, the stacking dependence of the magnetic exchange interaction can lead to regions of ferromagnetic and antiferromagnetic interlayer order, separated by non-collinear, skyrmion-like spin textures.…

In this study, we performed powder neutron diffraction and inelastic scattering measurements of frustrated pyrochlore Nd$_2$Ir$_2$O$_7$, which exhibits a metal-insulator transition at a temperature $T_{\rm MI}$ of 33 K. The diffraction…

Strongly Correlated Electrons · Physics 2012-02-29 K. Tomiyasu , K. Matsuhira , K. Iwasa , M. Watahiki , S. Takagi , M. Wakeshima , Y. Hinatsu , M. Yokoyama , K. Ohoyama , K. Yamada

The inelastic scattering of neutrons from magnetic excitations in the antiferromagnetic phase of the langasite compound Ba3NbFe3Si2O14 is analyzed theoretically. In the calculations presented, the strongly coupled spin-5/2 Fe triangles are…

Other Condensed Matter · Physics 2015-05-28 Jens Jensen

We have identified TbOF as a unique frustrated and mixed-anion lattice, hosting unconventional magnetism. By means of magnetization, specific heat and neutron diffraction measurements down to 90 mK, as well as DFT calculations, we present a…

Magnetic ordering in TbMnO3 was revisited by a neutron diffraction study. In addition to the previously reported A-type and G-type modulated structures with a propagation vector (0,q_Mn,0), we found C-type and F-type orderings of the Mn…

Strongly Correlated Electrons · Physics 2007-05-23 R. Kajimoto , H. Yoshizawa , H. Shintani , T. Kimura , Y. Tokura

The magnetic structure of the spin-chain antiferromagnet SrCo2V2O8 is determined by single-crystal neutron diffraction experiment. The system undergoes magnetic long range order below T_N = 4.96 K. The moment of 2.16{\mu}_B per Co at 1.6 K…

Strongly Correlated Electrons · Physics 2016-03-28 Juanjuan Liu , Jinchen Wang , Wei Luo , Jieming Sheng , Zhangzhen He , S. A. Danilkin , Wei Bao

Strongly correlated ground states and exotic quasiparticle excitations in low-dimensional systems are central research topics in the solid state research community. The present work develops a new layered material and explores the physical…

Strongly Correlated Electrons · Physics 2023-02-09 Xianghan Xu , Guangming Cheng , Danrui Ni , Xin Gui , Weiwei Xie , Nan Yao , R. J. Cava

We report a comprehensive investigation of the triple perovskite iridate Ba$_{3}$CoIr$_{2}$O$_{9}$. Stabilizing in the hexagonal $P6_{3}/mmc$ symmetry at room temperature, this system transforms to a monoclinic $C2/c$ symmetry at the…

Strongly Correlated Electrons · Physics 2021-02-03 Charu Garg , Deepak Roy , Martin Lonsky , Pascal Manuel , Antonio Cervellino , Jens Müller , Mukul Kabir , Sunil Nair

Magnetic ordering phenomena have a profound influence on the macroscopic properties of correlated-electron materials, but their realistic prediction remains a formidable challenge. An archetypical example is the ternary nickel oxide system…

We present the appearance of negative differential resistance (NDR) in spin-dependent electron transport through a few-atom spin-chain. A chain of three antiferromagnetically coupled Fe atoms(Fe trimer) was positioned on a Cu2N/Cu(100)…

Combining infrared reflectivity, transport, susceptibility and several diffraction techniques, we find compelling evidence that CaCrO3 is a rare case of a metallic and antiferromagnetic transition-metal oxide with a three-dimensional…

By using a fully relativistic embedded cluster Green's function technique we investigated the magnetic anisotropy properties of four different compact Cr trimers (equilateral triangles) and Cr mono-layers deposited on Au(111) surface in…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 László Balogh , László Udvardi , László Szunyogh

The composite material, consisting of metallic particles Ag5Pb2O6 diluted in insulating CuO matrix, has been investigated in a narrow concentration range separating ballistic tunnel transport from hopping conductivity. The formation of…

Superconductivity · Physics 2010-01-20 Danije Djurek

Using an adapted Sn-flux growth technique we obtained comparatively large CeFeAsO single crystals of better quality than previously reported polycrystals or single crystals, as evidenced by much sharper anomalies at the structural and…

Superconductivity · Physics 2010-05-06 A. Jesche , C. Krellner , M. de Souza , M. Lang , C. Geibel

We have synthesized R5Pb3 (R = Gd-Tm) compounds in polycrystalline form and performed structural analysis, magnetization, and neutron scattering measurements. For all R5Pb3 reported here the Weiss temperatures {\theta}W are several times…

Strongly Correlated Electrons · Physics 2015-12-09 Andrea Marcinkova , Clarina de la Cruz , Joshua Yip , Liang L. Zhao , Jiakui K. Wang , E. Svanidze , E. Morosan

We demonstrate with first-principles electron transport calculations that large tunneling magnetoresistance (TMR) and tunneling electroresistance (TER) effects can coexist in an all-oxide device. The TMR originates from the symmetry-driven…

Materials Science · Physics 2015-06-04 Nuala Mai Caffrey , Thomas Archer , Ivan Rungger , Stefano Sanvito

We report a comprehensive temperature-dependent investigation of the 1:2 ordered triple perovskite system Sr$_3$CaRu$_2$O$_9$. It crystallizes in the monoclinic structure with space group $P21/c$, consisting of corner-sharing CaO$_6$ and…

Strongly Correlated Electrons · Physics 2023-07-13 Arun Kumar , Pascal Manuel , Sunil Nair

We present an experimental study of the magnetic structure and dynamics of two frustrated hyperkagome compounds, Gd3Ga5O12 and Gd3Al5O12. It has previously been shown that Gd3Ga5O12 exhibits long-range correlations of multipolar directors,…

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