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Related papers: Noncollinear magnetic structure in U2Pd2In at high…

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A helix has a wavevector along the z axis with the magnetic moments ferromagnetically-aligned within xy planes with a turn angle kd between the moments in adjacent planes in transverse field Hx = 0. The magnetic structure and x-axis average…

Strongly Correlated Electrons · Physics 2019-09-20 David C. Johnston

The magnetic structure of EuTi$_2$Al$_{20}$, in which magnetic Eu$^{2+}$ ions form a diamond network, was investigated using neutron and resonant X-ray diffraction on powder and single-crystal samples. The propagation vector was determined…

The spiral magnetic structure and underlying spin lattice of BiMnFe2O6 are investigated by low-temperature neutron powder diffraction and density functional theory band structure calculations. In spite of the random distribution of the Mn3+…

Neutron diffraction measurements were carried out on single crystals and powders of Yb2Pt2Pb, where Yb moments form planes of orthogonal dimers in the frustrated Shastry-Sutherland Lattice (SSL). Yb2Pt2Pb orders antiferromagnetically at…

We have used neutron diffraction measurements to study the zero-field magnetic structure of the intermetallic compound Yb3Pt4, which was earlier found to order antiferromagnetically at the Neel temperature TN=2.4 K, and displays a…

Strongly Correlated Electrons · Physics 2015-05-13 Y. Janssen , M. S. Kim , K. S. Park , L. S. Wu , C. Marques , M. C. Bennett , Y. Chen , J. Li , Q. Huang , J . W. Lynn , M. C. Aronson

We present a minimal model that provides a description of the magnetic and thermodynamic properties of \Eu. The model contains two exchange coupling parameters, which are calculated using Density Functional Theory, and a local easy axis…

Other Condensed Matter · Physics 2021-12-22 D. J. Garcia , V. Vildosola , A. A. Aligia , D. G. Franco , Pablo S. Cornaglia

We use large scale quantum Monte Carlo simulations to study an extended version of the canonical Shastry-Sutherland model -- including additional interactions and exchange anisotropy -- over a wide range of interaction parameters and an…

Strongly Correlated Electrons · Physics 2013-05-21 Keola Wierschem , Pinaki Sengupta

The monoclinic double-perovskite Sr2YRuO6 has recently gained a renewed interest in order to get a deeper insight into the exotic magnetic ground states associated with geometric frustration. Striking discrepancies between the spin order…

Materials Science · Physics 2016-04-19 P. L. Bernardo , L. Ghivelder , H. S. Amorim , J. J. Neumeier , S. Garcia

We have carried out $^{63,65}$Cu NMR spectra measurements in magnetic field up to about 45~T on single crystal of a multiferroic triangular antiferromagnet CuCrO$_2$. The measurements were performed for magnetic fields aligned along the…

Strongly Correlated Electrons · Physics 2016-12-21 Yu. A. Sakhratov , L. E. Svistov , P. L. Kuhns , H. D. Zhou , A. P. Reyes

We present the magnetic structure of the itinerant monoarsenide, FeAs, with the B31 structure. Powder neutron diffraction confirms incommensurate modulated magnetism with wavevector $\mathbf{q} = (0.395\pm0.001)\mathbf{c}^*$ at 4 K, but…

Recent experiments on the anisotropic spin-1/2 triangular antiferromagnet Cs_2CuBr_4 have revealed a remarkably rich phase diagram in applied magnetic fields, consisting of an unexpectedly large number of ordered phases. Motivated by this…

Strongly Correlated Electrons · Physics 2012-01-04 Christian Griset , Shane Head , Jason Alicea , Oleg A. Starykh

The combination of magnetic symmetries and electronic band topology provides a promising route for realizing topologically nontrivial quasiparticles, and the manipulation of magnetic structures may enable the switching between topological…

Strongly Correlated Electrons · Physics 2022-06-22 Feng Du , Lin Yang , Zhiyong Nie , Ninghua Wu , Yong Li , Shuaishuai Luo , Ye Chen , Dajun Su , Michael Smidman , Youguo Shi , Chao Cao , Frank Steglich , Yu Song , Huiqiu Yuan

The antiferromagnet Mn$_5$Si$_3$ has recently attracted attention because a noncollinear spin arrangement has been shown to produce a topological anomalous Hall effect and an inverse magnetocaloric effect. Here we synthesize single crystals…

A new U-based compound of the U2Rh2Pb, a new compound of the U2T2X series was prepared in a single-crystal form. Its structure was determined as belonging to the tetragonal Mo2FeB2 structure type with the shortest U-U spacing along the c.…

Strongly Correlated Electrons · Physics 2020-01-14 J. Pospisil , M. Misek , M. Divis , M. Dusek , F. R. de Boer , L. Havela , J. Custers

Geometrically frustrated magnetic systems, such as those based on the Shastry-Sutherland lattice (SSL), offer a rich playground for exploring unconventional magnetic states. The delicate balance between competing interactions in these…

Resonant elastic X-ray scattering (REXS) at the Eu $M_5$ edge reveals an antiferromagnetic structure in layered EuCd$_2$Sb$_2$ at temperatures below $T_\textrm{N}$ = 7.4 K with a magnetic propagation vector of $(0,0,1/2)$ and spins in the…

Strongly Correlated Electrons · Physics 2018-08-22 J. -R. Soh , C. Donnerer , K. M. Hughes , E. Schierle , E. Weschke , D. Prabhakaran , A. T. Boothroyd

The Shastry-Sutherland model and its generalizations have been shown to capture emergent complex magnetic properties from geometric frustration in several quasi-two-dimensional quantum magnets. Using an $sd$ exchange model, we show here…

Strongly Correlated Electrons · Physics 2021-12-30 N. Swain , M. Shahzad , G. V. Paradezhenko , A. A. Pervishko , D. Yudin , P. Sengupta

The magnetically ordered phase of body-centered tetragonal UAu$_2$Si$_2$ was explored through $^{29}$Si-NMR experiments. The field-swept NMR spectra show asymmetric peak splitting below magnetic phase transition temperature, $T_{\rm m}$ =…

Strongly Correlated Electrons · Physics 2018-11-14 C. Tabata , Y. Ihara , S. Shimmura , N. Miura , H. Hidaka , T. Yanagisawa , H. Amitsuka

Magnetometry measurements of Fe/U and Ni/U bilayer systems reveal a non-monotonic dependence of the magnetic anisotropy for U thicknesses in the range 0 nm - 8 nm, with the Fe/U bilayers showing a more prominent effect as compared to Ni/U.…

Mesoscale and Nanoscale Physics · Physics 2021-03-24 E. R. Gilroy , M. -H. Wu , M. Gradhand , R. Springell , C. Bell

A two dimensional magnetic particle in the presence of an external magnetic field is studied. Equilibrium thermodynamical properties are derived by evaluating analytically the partition function. When the external field is applied…

Condensed Matter · Physics 2009-11-07 P. Vargas , D. Altbir , M. Knobel , D. Laroze