English
Related papers

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

200 papers

Ultrafast optical pumping of spatially nonuniform magnetic textures is known to induce far-from-equilibrium spin transport effects. Here, we use ultrafast x-ray diffraction with unprecedented dynamic range to study the laser-induced…

Motivated by the recent observations of various exotic quantum states in the equilateral triangular-lattice phosphates Na$_2$BaCo(PO$_4$)$_2$ with $J\rm_{eff}$ = 1/2 and Na$_2$BaNi(PO$_4$)$_2$ with $S$ = 1, the magnetic properties of…

Strongly Correlated Electrons · Physics 2024-12-05 Chuandi Zhang , Junsen Xiang , Cheng Su , Denis Sheptyakov , Xinyang Liu , Yuan Gao , Peijie Sun , Wei Li , Gang Su , Wentao Jin

We have investigated the magnetoresistive behavior of Dirac semi-metal Cd3As2 down to low temperatures and in high magnetic fields. A positive and linear magnetoresistance (LMR) as large as 3100% is observed in a magnetic field of 14 T, on…

Mesoscale and Nanoscale Physics · Physics 2015-08-26 Junya Feng , Yuan Pang , Desheng Wu , Zhijun Wang , Hongming Weng , Jianqi Li , Xi Dai , Zhong Fang , Youguo Shi , Li Lu

We study, on the basis of the general entangled-plaquette variational ansatz, the ground-state properties of the spin-1/2 antiferromagnetic Heisenberg model on the triangular lattice. Our numerical estimates are in good agreement with…

Strongly Correlated Electrons · Physics 2015-05-19 Fabio Mezzacapo , J. Ignacio Cirac

We study the $S = 1$ triangular lattice Ising antiferromagnet by Monte Carlo simulations. Frustrations between a major antiferromagnetic third-neighbor interaction $J_3$ and a minor ferromagnetic nearest-neighbor interaction $J_1$ cause…

Statistical Mechanics · Physics 2014-07-31 Yusuke Tomita , Milan Žukovič

We investigated magnetic textures in a Sc-doped hexaferrite film by means of phase microscopy (PM) with a hole-free phase plate in a transmission electron microscope. In a zero magnetic field, the stripe-shaped magnetic domains coexist with…

Materials Science · Physics 2021-05-04 Atsuhiro Kotani , Ken Harada , Marek Malac , Hiroshi Nakajima , Kosuke Kurushima , Shigeo Mori

We report the electronic and magnetic behaviour of the frustrated triangular metallic antiferromagnet 2H-AgNiO2 in high magnetic fields (54 T) using thermodynamic and transport measurements. Here localized d electrons are arranged on an…

Neutron powder diffraction measurements have been performed on Ce_xNd_{1-x}B_6 (x = 0.5, 0.6, 0.7, and 0.8) solid solutions to determine the type of magnetic order occurring in these compounds as a result of the interplay between magnetic…

Strongly Correlated Electrons · Physics 2016-11-25 Jean-Michel Mignot , Julien Robert , Gilles André , Masafumi Sera , Fumitoshi Iga

Long-range magnetic orders in atomically thin ferromagnetic CrI3 give rise to new fascinating physics and application perspectives. The physical properties of two-dimensional (2D) ferromagnetism CrI3 are significantly influenced by…

Materials Science · Physics 2019-11-13 Kai Guo , Bowen Deng , Zhongtai Shi , Yue Li , Xin Wang , Lei Bi , Li Zhang , Haipeng Lu , Peiheng Zhou , Linbo Zhang , Yingchun Cheng , Bo Peng

We have investigated the low temperature phase of a Nd0.5Sr0.5MnO3 single crystal by x-ray resonant scattering at the Mn K-edge of the (3 0 0), (0 3 0) and (0 5/2 0) reflections. Strong resonances were observed for the s-s' channel in the…

Strongly Correlated Electrons · Physics 2009-11-10 Javier Herrero-Martin , Joaquin Garcia Ruiz , Gloria Subias , Javier Blasco , Maria Concepcion-Sanchez

This article presents a brief overview of our recent work on the nature of long period modulation in the premartensite and martensite phases of Ni2MnGa ferromagnetic shape memory alloy using high resolution synchrotron x-ray powder…

Materials Science · Physics 2015-06-16 Sanjay Singh , S. R. Barman , D. Pandey

Magnetic x-ray diffraction combined with x-ray focusing optics is used to image individual antiferromagnetic spin density wave domains in a chromium single crystal at the micron scale. The cross section for non-resonant magnetic x-ray…

Other Condensed Matter · Physics 2007-06-01 Paul G. Evans , Eric D. Isaacs , Gabriel Aeppli , Zhonghou Cai , Barry Lai

The layered compound with distorted Kagome nets, Dy3Ru4Al12, was previously reported to undergo antiferromagnetic ordering below (TN=) 7 K, based on investigations on single crystals. Here, we report the results of our investigation of ac…

Strongly Correlated Electrons · Physics 2016-05-05 Venkatesh Chandragiri , Kartik K Iyer , E. V. Sampathkumaran

The magnetization and specific heat measurements have been performed on single-crystalline Gd_3_Ru_4_Al_12_ with a distorted Kagome lattice structure. This spin system is regarded as an antiferromagnetic triangular lattice of XY like…

Strongly Correlated Electrons · Physics 2023-02-08 S. Nakamura , N. Kabeya , M. Kobayashi , K. Araki , K. Katoh , A. Ochiai

Motivated by the importance of non-collinear and non-coplanar magnetic phases in determining various electrical properties of magnetic materials, we investigate the phase diagrams of the extended Hubbard model on anisotropic triangular…

Strongly Correlated Electrons · Physics 2016-05-11 Kanika Pasrija , Sanjeev Kumar

We report our theoretical results on the emergence of a partially-disordered state at zero temperature and its detailed nature in the periodic Anderson model on a triangular lattice at half filling. The partially-disordered state is…

Strongly Correlated Electrons · Physics 2015-05-28 Satoru Hayami , Masafumi Udagawa , Yukitoshi Motome

An antiferromagnetic ordering in Pb3TeCo3V2O14 takes place through formation of short range correlation regime with T* ~ 10.5 K and succession of second order phase transition at TN1 = 8.9 K and first order phase transition at TN2 = 6.3 K.…

Strongly Correlated Electrons · Physics 2014-04-01 M. M. Markina , B. V. Mill , E. A. Zvereva , A. V. Ushakov , S. V. Streltsov , A. N. Vasiliev

Magnetic frustration in Fe$_3$PO$_4$O$_3$ has been shown to produce to an unusual magnetic state below T$_N = 163$ K, where incommensurate antiferromagnetic order is restricted to nanosized needle-like domains, as inferred from neutron…

Strongly Correlated Electrons · Physics 2020-05-27 C. L. Sarkis , M. J. Tarne , J. R. Neilson , H. B. Cao , E. Coldren , M. P. Gelfand , K. A. Ross

Neutron scattering experiments have been performed on the ternary rare-earth diborocarbide Ce$^{11}$B$_2$C$_2$. The powder diffraction experiment confirms formation of a long-range magnetic order at $T_{\rm N} = 7.3$ K, where a sinusoidally…

Strongly Correlated Electrons · Physics 2009-11-13 Isao Nakanowatari , Rei Morinaga , Takahiro Onimaru , Taku J. Sato

The effects of high magnetic fields applied perpendicular to the spontaneous ferroelectric polarization on single crystals of BiFeO$_3$ were investigated through magnetization, magnetostriction, and neutron diffraction measurements. The…