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The crystal and magnetic structure of the magnetocaloric compound FeMnP0.5Si0.5 have been studied by means of neutron and X-ray powder diffraction. Single phase samples of nominal composition FeMnP0.5Si0.5 have been prepared by the drop…

Materials Science · Physics 2015-05-28 Viktor Höglin , Matthias Hudl , Martin Sahlberg , Per Nordblad , Premysl Beran , Yvonne Andersson

The crystal and magnetic structure of polycrystalline $La{}_{0.5-x}Nd{}_{x}Ca_{0.5}MnO{}_{3}$ (0.0 \ensuremath{\le} x \ensuremath{\le} 0.5) samples have been investigated using magnetization, resistivity, transmission electron microscope,…

Materials Science · Physics 2010-11-01 Indu Dhiman , A. Das , P. K. Mishra , N. P. Lalla , A. Kumar

The magnetic structure of the mixed antiferromagnet NdMn$_{0.8}$Fe$_{0.2}$O$_3$ was resolved. Neutron powder diffraction data definitively resolve the Mn-sublattice with a magnetic propagation vector ${\bf k} = (000)$ and with the magnetic…

The synthesis, structure, and basic magnetic properties of Na2Co2TeO6 and Na3Co2SbO6 are reported. The crystal structures were determined by neutron powder diffraction. Na2Co2TeO6 has a two-layer hexagonal structure (space group P6322)…

Materials Science · Physics 2022-04-26 L. Viciu , Q. Huang , E. Morosan , H. W. Zandbergen , N. I. Greenbaum , T. McQueen , R. J. Cava

The magnetic and multiferroic phase diagram of Mn$_{0.85}$Co$_{0.15}$WO$_4$ single crystals is investigated by means of magnetic, heat capacity, dielectric, polarization, and neutron scattering experiments. Three magnetic phase transitions…

Strongly Correlated Electrons · Physics 2010-12-01 R. P. Chaudhury , F. Ye , J. A. Fernandez-Baca , Y. -Q. Wang , Y. Y. Sun , B. Lorenz , H. A. Mook , C. W. Chu

Zero field cooled (ZFC)/Field Cooled (FC) magnetization curves of a bulk MnO single crystal show a peculiar peak at low temperatures (~40K) similar to the low temperature peak observed in MnO nanoparticles. In order to investigate the…

Materials Science · Physics 2017-08-02 X. Sun , E. Feng , Y. Su , K. Nemkovski , O. Petracic , T. Brückel

A complex magnetic order of the multiferroic compound Co3TeO6 has been revealed by neutron powder diffraction studies on ceramics and crushed single crystals. The compound adopts a monoclinic structure (s.g. C2/c) in the studied temperature…

Materials Science · Physics 2011-11-28 S. A. Ivanov , R. Tellgren , C. Ritter , P. Nordblad , R. Mathieu , G. Andre , N. V. Golubko , E. D. Politova , M. Weil

Mn3TeO6 exhibits a corundum-related A3TeO6 structure and a complex magnetic structure involving two magnetic orbits for the Mn atoms [*]. Mn3-xCdxTeO6 (x=0, 1, 1.5 and 2) ceramics were synthesized by solid state reaction and investigated…

Materials Science · Physics 2012-01-20 S. A. Ivanov , R. Mathieu , P. Nordblad , E. Politova , R. Tellgren , C. Ritter , V. Proidakova

Based on the relativistic spin-polarized density functional theory calculations we investigate the crystal structure, electronic and magnetic properties of a family MnPn2Ch4 compounds, where pnictogen metal atoms (Pn) are Sb and Bi;…

Materials Science · Physics 2018-09-28 S. V. Eremeev , M. M. Otrokov , E. V. Chulkov

The high-pressure synthesized quasi-one-dimensional compounds NaMn$_2$O$_4$ and Li$_{0.92}$Mn$_2$O$_4$ are both antiferromagnetic insulators, and here their atomic and magnetic structures were investigated using neutron powder diffraction.…

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 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

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

Double perovskite-based magnets wherein frustration and competition between emergent degrees of freedom are at play can lead to novel electronic and magnetic phenomena. Herein, we report the electronic structure and magnetic properties of…

NaV2O4 crystals were grown under high pressure using a NaCl flux, and the crystals were characterized with X-ray diffraction, electrical resistivity, heat capacity, and magnetization. The structure of NaV2O4 consists of double chains of…

Strongly Correlated Electrons · Physics 2009-11-13 K. Yamaura , M. Arai , A. Sato , A. B. Karki , D. P. Young , R. Movshovich , S. Okamoto , D. Mandrus , E. Takayama-Muromachi

The crystal structures of the triangular lattice, layered anhydrous alums KCr(SO4)2, RbCr(SO4)2 and KAl(SO4)2 are characterized by X-ray and neutron powder diffraction at temperatures between 1.4 and 773 K. The compounds all crystallize in…

Materials Science · Physics 2009-02-24 D. V. West , Q. Huang , H. W. Zandbergen , T. M. McQueen , R. J. Cava

The synthesis, structure, and elementary magnetic and electronic properties are reported for layered compounds of the type Na3-xMIr2O6 and Na3-xM2IrO6, where M is a transition metal from the 3d series (M=Zn, Cu, Ni, Co, Fe and Mn). The…

We have investigated the crystal, electronic, and magnetic structure of Mn5O8 by means of state of-the-art density functional theory calculations and neutron powder diffraction (NPD) measurements. This compound stabilizes in the monoclinic…

Materials Science · Physics 2016-09-12 M. R. Ashwin Kishore , H. Okamoto , Lokanath Patra , R. Vidya , Anja O. Sjastad , H. Fjellvag , P. Ravindran

Polar magnetic oxide HoCrWO$_6$ is synthesized and its crystal structure, magnetic structure, and thermodynamic properties are investigated. HoCrWO$_6$ forms the polar crystal structure (space group Pna2$_1$ (#33)) due to the cation…

Materials Science · Physics 2020-07-20 C. Dhital , D. Pham , T. Lawal , C. Bucholz , A. Poyraz , Q. Zhang , R. Nepal , R. Jin , R. Rai

Through analysis of single crystal neutron diffraction data, we present the magnetic structures of magnetoelectric Co4Nb2O9 under various magnetic fields. In zero-field, neutron diffraction experiments below TN=27 K reveal that the Co2+…