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The phase diagram of Ca$_{2-x}$Sr$_x$RuO$_4$ has been studied by neutron diffraction on powder and single-crystalline samples. The experiments reveal antiferromagnetic order and structural distortions characterized by tilts and rotations of…

Superconductivity · Physics 2009-10-31 O. Friedt , M. Braden , G. Andre , P. Adelmann , S. Nakatsuji , Y. Maeno

SrEr$_2$O$_4$ has been characterised by low-temperature powder neutron diffraction, as well as single crystal specific heat and magnetisation measurements. Magnetisation measurements show that the magnetic system is highly anisotropic at…

Strongly Correlated Electrons · Physics 2008-11-18 O. A. Petrenko , G. Balakrishnan , N. R. Wilson , S. de Brion , E. Suard , L. C. Chapon

The complex perovskite Ba2CoTeO6 (BCTO) has been synthesised, and the crystal structure and magnetic properties have been investigated using a combination of X-ray and neutron powder diffraction, electron microscopy and dielectric,…

Materials Science · Physics 2010-12-01 S. A. Ivanov , P. Nordblad , R. Mathieu , R. Tellgren , C. Ritter

The structural and magnetic anomaly of the layered compound SrFeO$_{2}$ were examined by first principles density functional calculations and Monte Carlo simulations. The down-spin Fe 3$d$ electron occupies the $d_{z^2}$ level rather than…

Materials Science · Physics 2008-04-25 H. J. Xiang , Su-Huai Wei , M. -H. Whangbo

The $4f$-electron system YbAl$_3$C$_3$ with a non-magnetic spin-dimer ground state has been studied by neutron diffraction in an applied magnetic field. A long-range magnetic order involving both ferromagnetic and antiferromagnetic…

Strongly Correlated Electrons · Physics 2015-06-15 D. D. Khalyavin , D. T. Adroja , P. Manuel , A. Daoud-Aladine , M. Kosaka , K. Kondo , K. A. McEwen , J. H. Pixley , Qimiao Si

Neutron scattering studies on a single crystal of the highly-correlated electron system, La1-xSrxMnO3 with x~0.3, have been carried out elucidating both the spin and lattice dynamics of this metallic ferromagnet. We report a large measured…

Condensed Matter · Physics 2009-10-28 Michael C. Martin , G. Shirane , Y. Endoh , K. Hirota , Y. Moritomo , Y. Tokura

Neutron diffraction studies of HoFeO$_3$ single crystal were performed under external magnetic fields. The interplay between the external magnetic field, Dzyaloshinsky-Moria antisymmetric exchange and isotropic exchange interactions between…

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.…

Neutron scattering techniques are used to investigate the crystalline and magnetic structure of LuFe$_{0.75}$Mn$_{0.25}$O$_{3}$ in bulk polycrystalline form. We find that the crystalline structure is described by the hexagonal P6$_{3}$cm…

Neutron and X-ray diffraction, magnetic susceptibility, and specific heat measurements have been used to investigate the magnetic and structural phase transitions of the spinel system Fe1+xCr2-xO4(0.0<=x<=1.0). The temperature versus Fe…

We have studied the field and temperature dependence of the magnetization of single crystals of Sr3NiIrO6. These measurements evidence the presence of an easy axis of anisotropy and two anomalies in the magnetic susceptibility. Neutron…

The structural and magnetic properties of the hexagonal four-layer form of SrMnO$_3$ have been investigated by combining magnetization measurements, electron diffraction and high-resolution synchrotron X-ray and neutron powder diffraction.…

Strongly Correlated Electrons · Physics 2007-05-23 A. Daoud-Aladine , C. Martin , L. C. Chapon , M. Hervieu , K. S. Knight , M. Brunelli , P. G. Radaelli

We present synchrotron x-ray diffraction, neutron powder diffraction and time-of-flight inelastic neutron scattering measurements on the rare earth pyrochlore oxide Nd2Zr2O7 to study the ordered state magnetic structure and cystal field…

Strongly Correlated Electrons · Physics 2016-01-20 J. Xu , V. K. Anand , A. K. Bera , M. Frontzek , D. L. Abernathy , N. Casati , K. Siemensmeyer , B. Lake

The relationship between vacancy ordering and magnetism in TlFe1.6Se2 has been investigated via single crystal neutron diffraction, nuclear forward scattering, and transmission electron microscopy. The examination of chemically and…

We present temperature dependent magnetic neutron diffraction measurements on Ba(Fe$_{1-x}$Co$_{x}$)$_{2}$As$_{2}$ for $x$ = 0.039, 0.022, and 0.021 as-grown single crystals. Our investigations probe the behavior near the magnetic…

Superconductivity · Physics 2015-06-15 D. M. Pajerowski , C. R. Rotundu , J. W. Lynn , R. J. Birgeneau

X-ray and Neutron diffraction as well as muon spin relaxation and M\"ossbauer experiments performed on SrFe$_2$As$_2$ polycrystalls confirm a sharp first order transition at $T_0 = 205$,K corresponding to an orthorhombic phase distortion…

Neutron diffraction studies have been carried out on a single crystal of oxygen-deficient perovskite NdBaCo2O5 in the temperature range of 7-370 K. There have been observed, with decreasing temperature T, two magnetic transitions…

Strongly Correlated Electrons · Physics 2009-11-10 Minoru Soda , Yukio Yasui , Masafumi Ito , Satoshi Iikubo , Masatoshi Sato , Kazuhisa Kakurai

The structural, magnetic and resistive properties of (La1-yYy)FeAsO compounds (y = 0.10, 0.20, 0.30) have been investigated by means of X-ray and neutron powder diffraction as well as by resistivity measurements. The temperatures at which…

Materials Science · Physics 2015-05-14 A. Martinelli , A. Palenzona , M. Tropeano , C. Ferdeghini , M. R. Cimberle , C. Ritter

We report a high-resolution neutron diffraction study of the crystal and magnetic structure of the orbitally-degenerate frustrated metallic magnet AgNiO2. At high temperatures the structure is hexagonal with a single crystallographic Ni…

Strongly Correlated Electrons · Physics 2009-11-13 E. Wawrzynska , R. Coldea , E. M. Wheeler , T. Sorgel , M. Jansen , R. M. Ibberson , P. G. Radaelli , M. M. Koza

Magnetic structures and the relationship between spin and charge-orbital orderings of an A-site ordered double-perovskite manganite SmBaMn2O6, an anticipated multiferroic material, were investigated by means of neutron diffraction. The spin…

Strongly Correlated Electrons · Physics 2021-07-14 Ryoji Kiyanagi , Shigeki Yamada , Hiroshi Aoki , Hajime Sagayama , Taketo Moyoshi , Akiko Nakao , Takahisa Arima