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The magnetic phase diagram of the tetragonal Ho$_2$RhIn$_8$ compound has similar features to many related systems, revealing a zero magnetic field AF1 and a field-induced AF2 phases. Details of the magnetic order in the AF2 phase were not…

Strongly Correlated Electrons · Physics 2016-08-10 Petr Čermák , Karel Prokeš , Bachir Ouladdiaf , Martin Boehm , Marie Kratochvílová , Pavel Javorský

We have investigated the magnetic ground state of the antiferromagnetic Kondo-lattice compounds CeMAl$_{4}$Si$_{2}$ (M = Rh, Ir) using neutron powder diffraction. Although both of these compounds show two magnetic transitions $T_{N1}$ and…

Strongly Correlated Electrons · Physics 2015-06-03 N. J. Ghimire , S. Calder , M. Janoschek , E. D. Bauer

New fluoropnictides BaMnPnF with Pn = As, Sb, Bi, are synthesized by stoichiometric reaction of elements with BaF\_2. The compounds crystallize in the tetragonal P4/nmm (No. 129, Z = 2) space group, with the ZrCuSiAs-type structure, as…

Strongly Correlated Electrons · Physics 2013-07-09 Bayrammurad Saparov , David J. Singh , V. Ovidiu Garlea , Athena S. Sefat

We report a combination of X-ray and neutron diffraction studies, Mossbauer spectroscopy and muon spin relaxation (muSR) measurements to probe the structure and magnetic properties of the semiconducting beta-Ce2O2FeSe2 oxychalcogenide. We…

We report on the crystal structure, physical properties, and electronic structure calculations for the ternary pnictide compound EuCr2As2. X-ray diffraction studies confirmed that EuCr2As2 crystalizes in the ThCr2Si2-type tetragonal…

Superconductivity · Physics 2014-05-06 U. B. Paramanik , R. Prasad , C. Geibel , Z. Hossain

We present neutron diffraction, magnetic susceptibility and specific heat data for a single-crystal sample of the cubic (Cu3Au structure) compound Pr3In. This compound is believed to have a singlet (Gamma1) groundstate and a low-lying…

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)…

We have performed the elastic neutron scattering experiments under uniaxial stress \sigma along the tetragonal [100], [110] and [001] directions for URu2Si2. For \sigma // [100] and [110], the antiferromagnetic moment \mu_o is strongly…

Strongly Correlated Electrons · Physics 2015-06-24 M. Yokoyama , H. Amitsuka , K. Watanabe , S. Kawarazaki , H. Yoshizawa , J. A. Mydosh

We have carried out 63,65Cu NMR spectra measurements in magnetic field up to about 15.5 T on single crystal of a multiferroic triangular-lattice antiferromagnet CuCrO2. The measurements were performed for perpendicular and parallel…

Strongly Correlated Electrons · Physics 2014-12-30 Yu. A. Sakhratov , L. E. Svistov , P. L. Kuhns , H. D. Zhou , A. P. Reyes

We report a comprehensive investigation of the physical properties of the Dirac semimetal compound EuAuBi single crystals, using neutron diffraction, magnetization, electrical transport, and specific heat measurements. EuAuBi crystallizes…

Rutile-type RuO2 likely supports a simple antiferromagnetic structure which can be verified by x-ray Bragg diffraction. Three magnetic motifs that do not break translation symmetry are explored in calculations of amplitudes suitable for…

Strongly Correlated Electrons · Physics 2022-01-12 S. W. Lovesey , D. D. Khalyavin , G. van der Laan

Eu$_5$In$_2$Sb$_6$ is an orthorhombic non-symmorphic small band gap semiconductor with three distinct Eu$^{2+}$ sites and two low-temperature magnetic phase transitions. The material displays one of the greatest (negative)…

Polycrystalline samples of Sr2Mn2CuAs2O2, Sr2Mn3As2O2, and Sr2Zn2MnAs2O2 were synthesized. Their temperature- and applied magnetic field-dependent structural, transport, thermal, and magnetic properties were characterized by means of x-ray…

Superconductivity · Physics 2010-11-12 R. Nath , V. O. Garlea , A. I. Goldman , D. C. Johnston

Systematic powder diffraction studies have been carried out to establish the magnetic phase diagram of La_{2-2x}Sr_{1+2x}Mn_2O_7 (LSMO327) in a wide hall concentration range ($0.30 \leq x \leq 0.50$), using the HERMES diffractometer.…

Strongly Correlated Electrons · Physics 2009-10-31 M. Kubota , H. Fujioka , K. Ohoyama , K. Hirota , Y. Moritomo , H. Yoshizawa , Y. Endoh

The magnetic structure of the Eu2+ moments in the superconducting EuFe2(As1-xPx)2 sample with x = 0.19 has been determined using neutron scattering. We conclude that the Eu2+ moments are aligned along the c direction below T_C = 19.0(1) K…

Superconductivity · Physics 2014-09-24 S. Nandi , W. T. Jin , Y. Xiao , Y. Su , S. Price , W. Schmidt , K. Schmalzl , T. Chatterji , H. S. Jeevan , P. Gegenwart , Th. Brückel

The crystal and magnetic structure of (La0.70Ca0.30)(CryMn1-y)O3 for y = 0.70, 0.50 and 0.15 has been investigated using neutron powder diffraction. The three samples crystallize in the Pnma space group at both 290 K and 5 K and exhibit…

We present the low-temperature magnetic structures of SrGd$_2$O$_4$ combining neutron diffraction methods on polycrystalline and single-crystal samples containing the $^{160}$Gd isotope. In contrast to other members of the Sr$Ln_2$O$_4$…

Strongly Correlated Electrons · Physics 2022-02-02 N. Qureshi , B. Z. Malkin , S. X. M. Riberolles , C. Ritter , B. Ouladdiaf , G. Balakrishnan , M. Ciomaga Hatnean , O. A. Petrenko

The trigonal compound EuSn2As2 was recently discovered to host Dirac surface states within the bulk band gap and orders antiferromagnetically below the Neel temperature TN = 24 K. Here the magnetic ground state of single-crystal EuSn2As2…

Strongly Correlated Electrons · Physics 2022-04-05 Santanu Pakhira , M. A. Tanatar , Thomas Heitmann , David Vaknin , D. C. Johnston

We present neutron diffraction measurements in high magnetic fields (0 to 14.5 T) and at low temperatures (2.5, 2.3, 0.77 and 0.068 K) on single crystals of the tetragonal heavy fermion antiferromagnet Ce2RhIn8. For B//[110] the field…

Strongly Correlated Electrons · Physics 2015-06-24 E. G. Moshopoulou , K. Prokes , E. Garcia-Matres , P. G. Pagliuso , J. L. Sarrao , J. D. Thompson

We investigate the crystal structure, magnetic properties, and crystalline-electric field of tetragonal, $I4_1/amd$, NaCeO$_2$. In this compound, Ce$^{3+}$ ions form a tetragonally elongated diamond lattice coupled by antiferromagnetic…

Strongly Correlated Electrons · Physics 2021-01-26 Mitchell M. Bordelon , Joshua D. Bocarsly , Lorenzo Posthuma , Arnab Banerjee , Qiang Zhang , Stephen D. Wilson
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