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Combined neutron and x-ray diffraction experiments demonstrate the formation of a low-temperature minority tetragonal phase in Ba$_{0.76}$K$_{0.24}$Fe$_2$As$_2$ in addition to the majority magnetic, orthorhombic phase. A coincident…

We report a study of the structural, magnetic, transport, and thermodynamic properties of polycrystalline samples of CeRhC$_2$. CeRhC$_2$ crystallizes in a tetragonal structure with space group $P4_1$ and it orders antiferromagnetically…

Strongly Correlated Electrons · Physics 2023-10-17 Yu Liu , M. O. Ajeesh , A. O. Scheie , C. R. dela Cruz , P. F. S. Rosa , S. M. Thomas , J. D. Thompson , F. Ronning , E. D. Bauer

We present a systematic investigation of the antiferromagnetic ordering and structural distortion for the series of Ba(Fe{1-x}Ru{x})2As2 compounds (0 <= x <= 0.246). Neutron and x-ray diffraction measurements demonstrate that, unlike for…

We report neutron diffraction results for the body-centered-tetragonal series Eu(Co$_{1-x}$Ni$_x$)$_{2-y}$As$_2$, $x=0.10$, $0.20$, $0.42$, and $0.82$, $y\leq0.10$, that detail changes to the magnetic ordering with nominal hole doping. We…

A thorough study of EuZn$_2$P$_2$ single crystals, which were grown from Sn flux, was performed using both bulk (heat capacity, ac susceptibility, dc magnetization, electrical resistivitivity, magnetoresistance) and microscopic (M\"ossbauer…

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

Antiferromagnetic (AF) order of U$_{2}$Pt$_{6}$Ga$_{15}$ with the ordering temperature $T_{\rm N}$ = 26 K was investigated by resonant X-ray scattering and neutron diffraction on single crystals. This compound possesses a unique crystal…

Strongly Correlated Electrons · Physics 2024-03-26 Chihiro Tabata , Fusako Kon , Kyugo Ota , Ruo Hibino , Yuji Matsumoto , Hiroshi Amitsuka , Hironori Nakao , Yoshinori Haga , Koji Kaneko

Neutron and x-ray diffraction experiments were performed on the ternary intermetallic compound YbNiSn, formerly categorized as a ferromagnetic Kondo compound. At zero field, an increase in scattering intensity was observed on top of allowed…

Strongly Correlated Electrons · Physics 2023-08-16 Hung-Cheng Wu , Ai Nakamura , Daisuke Okuyama , Kazuhiro Nawa , Dai Aoki , Taku J Sato

Precise magnetic structures of RMn2O5, with R= Y, Ho, Bi in the commensurate/ferroelectric regime, have been determined by single-crystal neutron diffraction. For each system, the integrated intensities of a large number of independent…

Materials Science · Physics 2007-10-11 C. Vecchini L. C. Chapon , P. J. Brown , T. Chatterji , S. Park S-W. Cheong , P. G. Radaelli

We review neutron scattering investigations of the crystal structures, magnetic structures, and spin dynamics of the iron-based RFe(As,P)O (R=La, Ce, Pr, Nd), (Ba,Sr,Ca)Fe2As2, and Fe1+x(Te-Se) systems. On cooling from room temperature all…

Superconductivity · Physics 2009-05-20 Jeffrey W. Lynn , Pengcheng Dai

The magnetic structure of the intermetallic antiferromagnet Sm2IrIn8 was determined using x-ray resonant magnetic scattering (XRMS). Below TN = 14.2, Sm2IrIn8 has a commensurate antiferromagnetic structure with a propagation vector…

Strongly Correlated Electrons · Physics 2007-05-23 C. Adriano , R. Lora-Serrano , C. Giles , F. de Bergevin , J. C. Lang , G. Srajer , C. Mazzoli , L. Paolasini , P. G. Pagliuso

Single crystal neutron and high-energy x-ray diffraction have identified the phase lines corresponding to transitions between the ambient-pressure tetragonal (T), the antiferromagnetic orthorhombic (O) and the non-magnetic collapsed…

Thermal expansion, magnetostriction and magnetization measurements under magnetic field and hydrostatic pressure were performed on a $\mathrm{UAu_{2}Si_{2}}$ single crystal. They revealed a large anisotropy of magnetoelastic properties…

We use resonant elastic x-ray scattering to determine the evolution of magnetic order in EuCd$_2$As$_2$ below $T_\textrm{N}=9.5$\,K, as a function of temperature and applied magnetic field. We find an A-type antiferromagneticstructure with…

Strongly Correlated Electrons · Physics 2018-07-04 M. C. Rahn , J. -R. Soh , S. Francoual , L. S. I. Veiga , J. Strempfer , J. Mardegan , D. Y. Yan , Y. F. Guo , Y. G. Shi , A. T. Boothroyd

We have made extensive reciprocal space maps in the heavy-fermion superconductor URu2Si2 using high-resolution time-of-flight single-crystal neutron diffraction to search for signs of a hidden order parameter related to the 17.5 K phase…

Strongly Correlated Electrons · Physics 2007-05-23 M. J. Bull , B. Fåk , K. A. McEwen , J. A. Mydosh

Single crystals of EuCu2As2 and EuCu2Sb2 were grown from CuAs and CuSb self-flux, respectively. The crystallographic, magnetic, thermal and electronic transport properties of the single crystals were investigated by room-temperature x-ray…

Strongly Correlated Electrons · Physics 2015-06-09 V. K. Anand , D. C. Johnston

We report single crystal growth and magnetic susceptibility and neutron diffraction studies of the S=1/2 quasi-1D antiferromagnet CaCu2O3. The structure of this material is similar to that of the prototype two-leg spin-ladder compound…

Condensed Matter · Physics 2009-10-31 V. Kiryukhin , Y. J. Kim , K. J. Thomas , F. C. Chow , R. W. Erwin , Q. Huang , M. A. Kastner , R. J. Birgeneau

Polarised neutron diffraction measurements have been made on HoFeO$_3$ single crystals magnetised in both the [001] and [100] directions ($Pbnm$ setting). The polarisation dependencies of Bragg reflection intensities were measured both with…

Strongly Correlated Electrons · Physics 2017-09-13 T. Chatterji , A. Stunault , P. J. Brown

Neutron diffraction measurements are presented exploring the magnetic and structural phase behaviors of the candidate J$_{eff}=1/2$ Mott insulating iridate Sr$_2$IrO$_4$. Comparisons are drawn between the correlated magnetism in this single…

Strongly Correlated Electrons · Physics 2013-04-09 Chetan Dhital , Tom Hogan , Z. Yamani , Clarina de la Cruz , Xiang Chen , Sovit Khadka , Zhensong Ren , Stephen D. Wilson

We report on the thermodynamic, magnetic properties and the magnetic structure of ludwigite-type Cu2MnBO5. The specific heat, the low-field magnetization and the paramagnetic susceptibility were studied on a single crystal and combined with…