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Related papers: Neutron Scattering Studies of Pyrochlore Compound …

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MnSb$_{2}$O$_{6}$ is based on the structural chiral $P$321 space group #150 where the magnetic Mn$^{2+}$ moments ($S=5/2$, $L\approx 0$) order antiferromagnetically at $T_\mathrm{N}=12$ K. Unlike the related iron based langasite…

Structural, magnetic and multiferroic properties of single crystals of Dy$_{1-x}$Ho$_x$MnO$_3$ ($x = 0, 0.2$) were investigated by the different methods of polarized and classical neutron diffraction and macroscopic methods in order to…

We report neutron-diffraction results on single-crystal CaMn$_2$P$_2$ containing corrugated Mn honeycomb layers and determine its ground-state magnetic structure. The diffraction patterns consist of prominent (1/6, 1/6, $L$) reciprocal…

We report the anisotropic magnetic properties of Ho2Ge2O7 determined from dc and ac magnetization, specific heat and powder neutron diffraction experiments. The magnetic lanthanide sublattice, seen in our refinement of the tetragonal…

Other Condensed Matter · Physics 2009-11-13 E. Morosan , J. A. Fleitman , Q. Huang , J. W. Lynn , Y. Chen , X. Ke , M. L. Dahlberg , P. Schiffer , C. R. Craley , R. J. Cava

The magnetic structure of BaFe2As2 was completely determined from polycrystalline neutron diffraction measurements soon after the ThCr2Si2-type FeAs-based superconductors were discovered. Both the moment direction and the in-plane…

Superconductivity · Physics 2009-05-08 M. Kofu , Y. Qiu , Wei Bao , S. -H. Lee , S. Chang , T. Wu , G. Wu , X. H. Chen

Neutron diffraction is used to examine the polarization of weak static antiferromagnetism in high quality single crystalline URu2Si2. As previously documented, elastic Bragg-like diffraction develops for temperature T<T_{HO}= 17.5 K at…

Strongly Correlated Electrons · Physics 2015-06-18 K. A. Ross , L. Harriger , Z. Yamani , W. J. L. Buyers , J. D. Garrett , A. A. Menovsky , J. A. Mydosh , C. L. Broholm

We report polarized and unpolarized neutron scattering measurements of the magnetic order in single crystals of Na0.5CoO2. Our data indicate that below T_N=88 K the spins form a novel antiferromagnetic pattern within the CoO2 planes,…

Strongly Correlated Electrons · Physics 2009-11-11 G. Gasparovic , R. A. Ott , J. -H. Cho , F. C. Chou , Y. Chu , J. W. Lynn , Y. S. Lee

Magnetoresistance and magnetocaloric properties of polycrystalline HoRhGe have been studied. This compound orders antiferromagnetically with a Neel temperature (TN) of 5.5 K and undergoes a first order metamagnetic transition at 2 K. It…

Strongly Correlated Electrons · Physics 2019-09-19 Sachin B. Gupta , K. G. Suresh , A. K. Nigam

Crystal and magnetic structures of $R_2$Ni$_2$In ($R$ = Tb and Ho) have been studied by powder neutron diffraction at low temperatures. The compounds crystallize in an orthorhombic crystal structure of the Mn$_2$AlB$_2$-type. At low…

We present a parametric study of the diffuse magnetic scattering at (1/2,1/2,1/2) positions in reciprocal space, ascribed to a frozen antiferromagnetic spin ice state in single crystalline Tb2Ti2O7. Our high-resolution neutron scattering…

Strongly Correlated Electrons · Physics 2015-06-18 K. Fritsch , E. Kermarrec , K. A. Ross , Y. Qiu , J. R. D. Copley , D. Pomaranski , J. B. Kycia , H. A. Dabkowska , B. D. Gaulin

We present neutron diffraction, muon spin rotation and pulsed-field magnetometry measurements on the Heisenberg quantum chiral chain [Cu(pym)(H2O)4]SiF6.H2O, which displays a four-fold-periodic rotation of the local environment around the…

The magnetic structure of RuO2 and the Ru atomic configuration are unknown. A magnetic structure is inferred by confronting measured and calculated Bragg diffraction patterns and adjusting the latter to achieve satisfactory agreement. An…

Strongly Correlated Electrons · Physics 2023-06-22 S. W. Lovesey , D. D. Khalyavin , G. van der Laan

We present an experimental study of the pyrochlore coumpound Nd2Zr2O7 by means of neutron scattering and magnetization measurements down to 90 mK. The Nd$^{3+}$ magnetic moments exhibit a strong local $\langle$111$\rangle$ Ising anisotropy…

Strongly Correlated Electrons · Physics 2016-01-05 E. Lhotel , S. Petit , S. Guitteny , O. Florea , M. Ciomaga Hatnean , C. Colin , E. Ressouche , M. R. Lees , G. Balakrishnan

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

In the pyrochlore compounds, Tb$_2$Ti$_2$O$_7$ and Tb$_2$Sn$_2$O$_7$, only the Tb$^{3+}$ ions are magnetic. They exhibit quite abnormal -- and, in view of their chemical similarity, strikingly different -- magnetic behaviour, as probed by…

Strongly Correlated Electrons · Physics 2009-11-11 I. Mirebeau , A. Apetrei , I. N. Goncharenko , R. Moessner

In this work we present a neutron Larmor diffraction study of the rare earth pyrochlores $R_2$Ti$_2$O$_7$, with $R$ = Tb, Dy, Ho. We measured the temperature dependence of the lattice parameter with precision $10^{-5}$, between 0.5 K and…

Strongly Correlated Electrons · Physics 2016-11-09 M Ruminy , F Groitl , T Keller , T Fennell

Partially-ordered magnets are distinct from both spin liquids and conventional ordered magnets because order and disorder coexist in the same magnetic phase. Here, we determine the nature of partial order in the canonical frustrated…

Neutron scattering experiments at the magnetic vacancy percolation threshold concentration, x_v, using the random-field Ising crystal Fe(0.76)Zn(0.24)F2, show stability of the transition to long-range order up to fields H=6.5 T. The…

Disordered Systems and Neural Networks · Physics 2007-05-23 W. C. Barber , F. Ye , D. P. Belanger , J. A. Fernandez-Baca

Linear-chain nickelates with the composition (Nd_x Y_{1-x})_2 Ba Ni O_5 (x=1, x=0.75, x=0.5, and x=0.25) are studied in a series of neutron scattering experiments. Powder diffraction is used to determine the temperature dependence of the…

Strongly Correlated Electrons · Physics 2008-12-18 T. Yokoo , S. Raymond , A. Zheludev , S. Maslov , E. Ressouche , I. Zaliznyak , R. Erwin , M. Nakamura , J. Akimitsu

We report an extensive study on the zero field ground state of a powder sample of the pyrochlore $\mathrm{Yb_2Ti_2O_7}$. A sharp heat capacity anomaly that labels a low temperature phase transition in this material is observed at 280 mK.…