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X-ray diffraction with photon energies near the Ru L$_2$-absorption edge was used to detect resonant reflections characteristic of a G-type superstructure in RuSr$_2$GdCu$_2$O$_8$ single crystals. A polarization analysis confirms that these…

We report a comprehensive experimental investigation of the magnetic structure of the cycloidal phase in Ca$_3$Ru$_2$O$_7$, which mediates the spin reorientation transition, and establishes its magnetic phase diagram. In zero applied field,…

Strongly Correlated Electrons · Physics 2022-08-22 Q. Faure , C. D. Dashwood , C. V. Colin , R. D. Johnson , E. Ressouche , G. B. G. Stenning , J. Spratt , D. F. McMorrow , R. S. Perry

We report a magnetic x-ray scattering study of the field-induced multiferroic GdFe3(BO3)4. Resonant x-ray magnetic scattering at the Gd LII,III edges indicates that the Gd moments order at TN ~ 37 K. The magnetic structure is incommensurate…

Strongly Correlated Electrons · Physics 2009-11-13 Haiding Mo , Christie S. Nelson , Leonard N. Bezmaternykh , V. T. Temerov

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

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

The ordered tetragonal intermetallic Cr$_2$Al forms the same structure type as Mn$_2$Au, and the latter has been heavily investigated for its potential in antiferromagnetic spintronics due to its degenerate in-plane N\'{e}el vector. We…

Materials Science · Physics 2022-01-20 Chengxi Zhao , Kisung Kang , Joerg C. Neuefeind , Andre Schleife , Daniel P. Shoemaker

We report temperature (T) dependence of dc magnetization, electrical resistivity (rho(T)), and heat-capacity of rare-earth (R) compounds, Gd3RuSn6 and Tb3RuSn6, which are found to crystallize in the Yb3CoSn6-type orthorhombic structure…

Strongly Correlated Electrons · Physics 2017-06-28 Sanjay K Upadhyay , Kartik K Iyer , E. V. Sampathkumaran

Element-specific x-ray resonant magnetic scattering investigations were performed to determine the magnetic structure of Eu in EuRh2As2. In the temperature range from 46 K down to 6 K, an incommensurate antiferromagnetic (ICM)structure with…

Strongly Correlated Electrons · Physics 2010-11-17 S. Nandi , A. Kreyssig , Y. Lee , Yogesh Singh , J. W. Kim , D. C. Johnston , B. N. Harmon , A. I. Goldman

The low temperature state of CeRu2Al10 has been studied by neutron powder diffraction and muon spin relaxation (muSR). By combining both techniques, we prove that the transition occurring below T*~27K, which has been the subject of…

Synchrotron X-ray diffraction patterns were measured and analyzed for a polycrystalline sample of the room-temperature ferromagnet Sr3.12Er0.88Co4O10.5 from 300 to 650 K, from which two structural phase transitions were found to occur…

Strongly Correlated Electrons · Physics 2009-11-13 Shintaro Ishiwata , Wataru Kobayashi , Ichiro Terasaki , Kenichi Kato , Masaki Takata

We report measurements of structural phase transition of four parent compounds $R$FeAsO ($R$ = La, Sm, Gd, and Tb) by means of low-temperature X-ray diffraction (XRD). Magnetic transition temperatures associated with Fe ions ($T_{N1}$) are…

The frustrated pyrochlore antiferromagnet Gd$_{2}$Ti$_{2}$O$_{7}$ has an unusual partially-ordered magnetic structure at the lowest measurable temperatures. This structure is currently believed to involve four magnetic propagation vectors…

We present a detailed investigation of single-crystal samples of the magnetic compound Gd$_{2}$AlSi$_{3}$, which crystallizes in the $\alpha$-ThSi$_2$ type tetragonal structure. We report the temperature and magnetic field dependence of the…

We report neutron diffraction and magnetization studies of the magnetic order in multiferroic BiFeO3. In ferroelectric monodomain single crystals, there are three magnetic cycloidal domains with propagation vectors equivalent by…

Strongly Correlated Electrons · Physics 2015-05-27 M. Ramazanoglu , W. Ratcliff , Y. J. Choi , Seongsu Lee , S-W. Cheong , V. Kiryukhin

Structural and magnetic transitions in a double perovskite hosting 5d1 Re ions are discussed on the basis of recently published high-resolution x-ray diffraction patterns [D. Hirai, et al., Phys. Rev. Res. 2, 022063(R) (2020)]. A reported…

Strongly Correlated Electrons · Physics 2021-06-30 S. W. Lovesey , D. D. Khalyavin

Neutron diffraction and magnetic susceptibility studies of a polycrystalline SrCr$_2$As$_2$ sample reveal that this compound is an itinerant G-type antiferromagnet below the N${\rm \acute{e}}$el temperature $T_{\textrm N}$ = 590(5) K with…

Temperature-dependent crystallographic and magnetic studies on stoichiometric single crystals of LiCu2O2 are reported. The magnetic properties are similar to earlier findings demonstrating antiferromagnetic ordering below 25 K. Evidence of…

Materials Science · Physics 2014-08-26 S. A. Ivanov , P. Anil Kumar , R. Mathieu , A. A. Bush , M. Ottosson , P. Nordblad

We have performed magnetic susceptibility, magnetization, and specific heat measurements on a chiral magnet GdNi$_3$Ga$_9$, belonging to the trigonal space group $R32$ (\#155). A magnetic phase transition takes place at $T_{\rm N}$ = 19.5…

A two dimensional system of discs upon which a triangle of spins are mounted is shown to undergo a sequence of interesting phase transitions as the temperature is lowered. We are mainly concerned with the `solid' phase in which bond…

Materials Science · Physics 2013-05-29 A. B. Harris

Electron spin resonance study of frustrated pyrochlore Gd2Ti2O7 is performed in a wide frequency band for a temperature range 0.4-30 K, which covers paramagnetic and magnetically ordered phases. The paramagnetic resonance reveals the…

Strongly Correlated Electrons · Physics 2012-02-02 S. S. Sosin , A. I. Smirnov , L. A. Prozorova , G. Balakrishnan , M. E. Zhitomirsky
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