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Related papers: Resonant Magnetic X-ray Diffraction Study on the T…

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Frustrated magnetic systems exhibit highly degenerate ground states and strong fluctuations, often leading to new physics. An intriguing example of current interest is the antiferromagnet on a diamond lattice, realized physically in A-site…

Materials Science · Physics 2011-09-21 G. J. MacDougall , D. Gout , J. L. Zarestky , G. Ehlers , A. Podlesnyak , M. A. McGuire , D. Mandrus , S. E. Nagler

We report resonant elastic X-ray scattering (REXS) of long-range magnetic order in EuPtSi$_{\text{3}}$, combining different scattering geometries with full linear polarization analysis to unambiguously identify magnetic scattering…

Polycrystalline samples of RE2O2CO3 (RE = Pr, Nd, Gd, Tb, Dy, Ho, Er, and Yb) with a unique rare-earth bilayer of triangular lattice were synthesized and studied by DC and AC magnetic susceptibility. Data reveals various magnetic ground…

Strongly Correlated Electrons · Physics 2024-07-12 Aya N. Rutherford , Chengkun Xing , Haidong Zhou , Qing Huang , Stuart Calder

Here we show that the low temperature phase of magnetite is associated with an effective, although fractional, ordering of the charge. Evidence and a quantitative evaluation of the atomic charges are achieved by using resonant x-ray…

Strongly Correlated Electrons · Physics 2009-11-11 E. Nazarenko , J. E. Lorenzo , Y. Joly , J. L. Hodeau , D. Mannix , C. Marin

A recent high-field magnetization experiment found a phase transition of unknown character in the layered, frustrated antiferromagnet RbCuCl_3, in a transverse field (in the layers). Motivated by these results, we have examined the magnetic…

Statistical Mechanics · Physics 2009-11-07 A. E. Jacobs , T. Nikuni

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

The orthorhombic compound NdFe$_2$Al$_{10}$ has been studied by powder and single-crystal neutron diffraction. Below $T_N$ = 3.9 K, the Nd$^{3+}$ magnetic moments order in a double-$k$ [$\mathbf{k}_1 = (0, \frac{3}{4}, 0)$, $\mathbf{k}_2 =…

Strongly Correlated Electrons · Physics 2014-12-31 J. Robert , F. Damay , K. Saito , A. M. Bataille , F. Porcher , G. André , A. Gukasov , J. -M. Mignot , H. Tanida , M. Sera

We investigate the phase diagram of the anisotropic spin-1/2 triangular lattice antiferromagnet, with interchain diagonal exchange J' much weaker than the intrachain exchange J. We find that fluctuations lead to a competition between…

Strongly Correlated Electrons · Physics 2007-05-23 Oleg A. Starykh , Leon Balents

We analyzed the ground state of the array of magnetic particles (magnetic dots) which form a two-dimensional triangular lattice, and magnetic moment of which is perpendicular to the plane of the lattice, in the presence of external magnetic…

Materials Science · Physics 2012-01-10 V. E. Kireev , R. S. Khymyn , B. A. Ivanov , C. E. Zaspel

We investigate the ground-state magnetic structure of the spin-$1/2$ XXZ antiferromagnet on the triangular lattice in the easy-axis regime using the density-matrix renormalization group. By applying spiral boundary conditions, we exactly…

Strongly Correlated Electrons · Physics 2026-04-17 Masahiro Kadosawa , Masaaki Nakamura , Yukinori Ohta , Satoshi Nishimoto

Nuclear magnetic resonance (NMR), neutron diffaction (ND), x-ray diffraction, magnetic susceptibility and specific heat measurements on the frustrated A-site spinel CoAl2O4 compound reveal a collinear antiferromagnetic ordering below Tn =…

Strongly Correlated Electrons · Physics 2016-11-26 B. Roy , Abhishek Pandey , Q. Zhang , T. W. Heitmann , D. Vaknin , D. C. Johnston , Y. Furukawa

We have used in-field neutron and X-ray single crystal diffraction to measure the incommensurability δ of the crystal and magnetic structure of multiferroic TbMnO3 . We show that the flop in the electric polarization at the critical…

Strongly Correlated Electrons · Physics 2009-11-11 N. Aliouane , D. N. Argyriou , J. Strempfer , I. Zegkinoglou , S. Landsgesell , M. v. Zimmermann

When Heisenberg spins interact antiferromagnetically on a triangular lattice and nearest-neighbor interactions dominate, the ground state is 120$^{\circ}$ antiferromagnetism. In this work, we probe the response of this state to lifting the…

We performed high-resolution powder neutron diffraction experiments and discovered an elliptic helical incommensurate magnetic structure in the semiconducting rare-earth magnet YbCuS2, featuring effective spin-1/2 Yb$^{3+}$ ions that form a…

Strongly Correlated Electrons · Physics 2025-01-09 T. Onimaru , Y. Ohmagari , S. Mizutani , R. Yamamoto , H. Kaneshima , C. Moriyoshi , D. T. Adroja , D. Khyalyavin , P. Manuel , H. Saito , C. Hotta

Successive magnetic phase transitions at $T_1$=17.5 K and $T_2$=18.5 K in Gd$_3$Ru$_4$Al$_{12}$, with a distorted kagome lattice of Gd ions, is studied using resonant X-ray diffraction with polarization analysis. It has been suggested that…

Strongly Correlated Electrons · Physics 2019-02-05 Takeshi Matsumura , Yusaku Ozono , Shintaro Nakamura , Noriyuki Kabeya , Akira Ochiai

A magnetic order in orthorhombic GdCu$_2$ was investigated via a single crystal neutron diffraction with thermal neutron. Magnetic peaks were observed at incommensurate positions described by the ordering vector $q$=(${\delta}$,~1,~0) with…

Strongly Correlated Electrons · Physics 2023-07-07 Koji Kaneko , Chihiro Tabata , Masato Hagihala , Hiroki Yamauchi , Masato Kubota , ToyotakaOsakabe , Yoshichika Ōnuki

The ground state of the spin-$1/2$ Heisenberg antiferromagnet on a distorted triangular lattice is studied using a numerical-diagonalization method. The network of interactions is the $\sqrt{3}\times\sqrt{3}$ type; the interactions are…

Materials Science · Physics 2017-05-15 Hiroki Nakano , Toru Sakai

Magnetic frustration in three dimensions (3D) manifests itself in the spin-$\frac12$ insulator Li$_2$CuW$_2$O$_8$. Density-functional band-structure calculations reveal a peculiar spin lattice built of triangular planes with frustrated…

Materials Science · Physics 2016-02-05 K. M. Ranjith , R. Nath , M. Skoulatos , L. Keller , D. Kasinathan , Y. Skourski , A. A. Tsirlin

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

We present the results of neutron diffraction studies on polycrystals of a metallic kagome lattice, Tb3Ru4Al12, reported recently to undergo reentrant magnetism, with the onset of long range antiferromagnetic order below (TN=) 22 K and…

Strongly Correlated Electrons · Physics 2019-02-20 Sudhindra Rayaprol , Andreas Hoser , Kartik K Iyer , Sanjay K Upadhyay , E. V. Sampathkumaran