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Related papers: The magnetic and crystal structures of Sr2IrO4: A …

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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 have studied the frustrated system YBaCo4O7 generally described as an alternating stacking of Kagome and triangular layers of magnetic ions on a trigonal lattice, by single crystal neutron diffraction experiments above the Neel ordering…

Materials Science · Physics 2011-06-30 P. Manuel , L. C. Chapon , P. G. Radaelli , H. Zheng , J. F. Mitchell

Neutron and x-ray diffraction measurements are presented for powders and single crystals of CaCo{1.86}As2. The crystal structure is a collapsed-tetragonal ThCr2Si2-type structure as previously reported, but with 7(1)% vacancies on the Co…

By inelastic neutron scattering, we have analyzed the magnetic correlations in the paramagnetic metallic region of the series Ca(2-x)Sr(x)RuO(4), 0.2<=x<=0.62. We find different contributions that correspond to 2D ferromagnetic fluctuations…

Strongly Correlated Electrons · Physics 2012-02-09 P. Steffens , O. Friedt , Y. Sidis , P. Link , J. Kulda , K. Schmalzl , S. Nakatsuji , M. Braden

A variable temperature neutron and synchrotron diffraction study have been performed on the giant magnetoresistant oxypnictides LnMnAsO (Ln = La, Nd). The low temperature magnetic structures have been studied and results show a spin…

Strongly Correlated Electrons · Physics 2012-07-05 N. Emery , E. J. Wildman , J. M. S. Skakle , R. I. Smith , A. N. Fitch , A. C. Mclaughlin

We report the crystal structure, magnetization and neutron scattering measurements on the double perovskite Ba$_2$YOsO$_6$. The $Fm\overline{3}m$ space group is found both at 290~K and 3.5~K with cell constants $a_0 = 8.3541(4)$~{\AA} and…

Sr2IrO4 hosts a novel Jeff =1/2 Mott state and quasi-two-dimensional antiferromagnetic order, providing a unique avenue of exploring emergent states of matter and functions that are extraordinarily sensitive to any structural variations.…

Strongly Correlated Electrons · Physics 2023-09-19 H. W. Wang , L. Y. Zhang , N. Hu , B. You , Y. T. Chang , S. L. Yuan , C. L. Lu , J. M. Liu

We have investigated the low energy nuclear spin excitations in NdMn$_2$Si$_2$ and NdMn$_2$Ge$_2$ by high resolution inelastic neutron scattering. Previous neutron diffraction investigations gave ambiguous results about Nd magnetic ordering…

Strongly Correlated Electrons · Physics 2012-07-03 T. Chatterji , J. Combet , B. Frick , A. Szyula

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

We report on the results of powder and single crystal neutron diffraction to investigate the magnetic order in YbCo$_2$Si$_2$ below the N\'eel temperature $T_{\rm N} = 1.7~$K in detail. Two different magnetically ordered phases can clearly…

Strongly Correlated Electrons · Physics 2016-08-03 N. Mufti , K. Kaneko , A. Hoser , M. Gutmann , C. Geibel , C. Krellner , O. Stockert

The iron arsenide Sr2CrO3FeAs with the tetragonal Sr2GaO3CuS-type structure was synthesized and its crystal structure re-determined by neutron powder diffraction. In contrast to previous X-ray crystallographic studies, a mixed occupancy of…

Superconductivity · Physics 2010-02-24 Marcus Tegel , Franziska Hummel , Yixi Su , Tapan Chatterji , Michela Brunelli , Dirk Johrendt

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

The magnetic structure of the "nonmetallic metal" FeCrAs, a compound with the characters of both metals and insulators, was examined as a function of temperature using single-crystal neutron diffraction. The magnetic propagation vector was…

Strongly Correlated Electrons · Physics 2019-11-21 W. T. Jin , M. Meven , H. Deng , Y. Su , W. Wu , S. R. Julian , Young-june Kim

In this work, we investigate the evolution and settling of magnon condensation in the spin-1/2 dimer system Sr$_{3}$Cr$_{2}$O$_{8}$ using a combination of magnetostriction in pulsed fields and inelastic neutron scattering in a continuous…

This report presents azimuthal dependent and polarisation dependent x-ray resonant magnetic scattering at the Ir L3 edge for the bilayered iridate compound, Sr3Ir2O7. Two magnetic wave vectors, k1=(1/2,1/2,0) and k2=(1/2,-1/2,0), result in…

Strongly Correlated Electrons · Physics 2012-08-31 S. Boseggia , R Springell , H C Walker , A T Boothroyd , D Prabhakaran , S P Collins , D F McMorrow

We present high-resolution single crystal time-of-flight neutron scattering measurements on the candidate quantum spin liquid pyrochlore Tb2Ti2O7 at low temperature and in a magnetic field. At ~70 mK and in zero field, Tb2Ti2O7 reveals…

Strongly Correlated Electrons · Physics 2013-04-16 K. Fritsch , K. A. Ross , Y. Qiu , J. R. D. Copley , T. Guidi , R. I. Bewley , H. A. Dabkowska , B. D. Gaulin

Spin-wave dispersions in the antiferromagnetic state of single crystal LiFePO$_4$ were determined by inelastic neutron scattering measurements. The dispersion curves measured from the (010) reflection along both {\it a}$^\ast$ and {\it…

Materials Science · Physics 2009-11-11 Jiying Li , Vasile O. Garlea , Jerel L. Zarestky , David Vaknin

We report the static and dynamic magnetic properties of LaSrCrO$_4$, a seemingly canonical spin-3/2 square-lattice antiferromagnet that exhibits frustration between magnetic layers -- owing to their AB stacking -- and offers a rare testbed…

Neutron powder diffraction experiments were carried out on polycrystalline SrFe$_2$As$_2$ in order to determine the magnetic structure and its relationship with the crystallographic one. Below $T_0$=205 K, magnetic reflections appear…

Superconductivity · Physics 2009-01-06 K. Kaneko , A. Hoser , N. Caroca-Canales , A. Jesche , C. Krellner , O. Stockert , C. Geibel

The anisotropy of the magnetic incommensurate fluctuations in Sr2RuO4 has been studied by inelastic neutron scattering with polarized neutrons. We find a sizeable enhancement of the out of plane component by a factor of two for intermediate…

Strongly Correlated Electrons · Physics 2009-11-10 M. Braden , P. Steffens , Y. Sidis , J. Kulda , S. Hayden , N. Kikugawa , Y. Maeno
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