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Related papers: On the multiferroic skyrmion-host GaV4S8

200 papers

Magnetic skyrmions are vortex-like topological spin textures often observed to form a triangular-lattice skyrmion crystal in structurally chiral magnets with Dzyaloshinskii-Moriya interaction. Recently $\beta$-Mn structure-type Co-Zn-Mn…

Strongly Correlated Electrons · Physics 2021-03-03 K. Karube , J. S. White , D. Morikawa , C. D. Dewhurst , R. Cubitt , A. Kikkawa , X. Z. Yu , Y. Tokunaga , T. Arima , H. M. Rønnow , Y. Tokura , Y. Taguchi

We investigate the stability of the skyrmion crystal phase in a tetragonal polar system with the Dzyaloshinskii-Moriya interaction by focusing on the symmetry of ordering wave vectors forming the skyrmion crystal. Our analysis is based on…

Strongly Correlated Electrons · Physics 2024-04-23 Satoru Hayami

The role of the crystal lattice, temperature and magnetic field for the spin structure formation in the 2D van der Waals magnet Fe5GeTe2 is a key open question. Using Lorentz transmission electron microscopy, we experimentally observe…

The promise of high-density and low-energy-consumption devices motivates the search for layered structures that stabilize chiral spin textures such as topologically protected skyrmions. At the same time, layered structures provide a new…

Magnetic skyrmions are localized, topologically protected spin-structures that have been proposed for storing or processing information due to their intriguing dynamical and transport properties. Important in terms of applications is the…

Materials Science · Physics 2016-06-07 B. Dupé , G. Bihlmayer , S. Blügel , S. Heinze

Low-temperature electron paramagnetic resonance measurements are performed on single crystals of LiY_{1-x}Gd_xF_4 with weak x=0.005 and moderate x=0.05 concentration of Gd ions. Modeling of the experimental spectra allows us to precisely…

Strongly Correlated Electrons · Physics 2023-07-13 S. S. Sosin , A. F. Iafarova , I. V. Romanova , O. A. Morozov , S. L. Korableva , R. G. Batulin , M. Zhitomirsky , V. N. Glazkov

With materials approaching the 2d limit yielding many exciting systems with intriguing physical properties and promising technological functionalities, understanding and engineering magnetic order in nanoscale, layered materials is…

Strongly Correlated Electrons · Physics 2016-10-18 Will J. Hardy , Jiangtan Yuan , Hua Guo , Panpan Zhou , Jun Lou , Douglas Natelson

The structural and magnetic properties of ZnFe2O4 nanoparticles embedded in a non-magnetic ZnO matrix are presented. X-ray diffractograms and Transmission Electron Microscopy (TEM) images showed that the resulting samples are composed of…

Materials Science · Physics 2012-12-13 G. F. Goya , E. R. Leite

GaTa$_4$Se$_8$ belongs to the lacunar spinel family. Its crystal structures is still a puzzle though there have been intensive studies on its novel properties, such as the Mott insulator phase and superconductivity under pressure. In this…

Materials Science · Physics 2022-05-17 Shuai Zhang , Tiantian Zhang , Hongshan Deng , Yang Ding , Yue Chen , Hongming Weng

The geometrically frustrated magnet Ni3V2O8 undergoes a series of competing magnetic ordering at low temperatures. Most importantly, one of the incommensurate phases has been reported to develop a ferroelectric correlation caused by spin…

Materials Science · Physics 2009-06-26 A. K. Singh , D. Jain , V. Ganesan , A. K. Nigam , S. Patnaik

The mixed rare-earth orthochromite Nd$_{0.5}$Dy$_{0.5}$CrO$_{3}$ has a N\'eel temperature ($T_\mathrm{{N}}$) of ${\sim}$ 175\,K, resulting in the G-type antiferromagnetic ordering of Cr$^{3+}$ spins. The inverse susceptibility shows a…

Ni3V2O8 and Co3V2O8 have spin-1 and spin-3/2 magnetic lattices that are a new anisotropic variant of the Kagome net, wherein edge-sharing MO6 octahedra form the rises and rungs of a "Kagome staircase". The anisotropy largely relieves the…

Condensed Matter · Physics 2009-11-07 N. Rogado , G. Lawes , D. A. Huse , A. P. Ramirez , R. J. Cava

We have investigated the spin fluctuations in the langasite compound Ba3NbFe3Si2O14 in both the ordered state and as a function of temperature. The low temperature magnetic structure is defined by a spiral phase characterized by magnetic…

Strongly Correlated Electrons · Physics 2015-05-19 C. Stock , L. C. Chapon , A. Schneidewind , Y. Su , P. G. Radaelli , D. F. McMorrow , A. Bombardi , N. Lee , S. -W. Cheong

We report on NMR studies of the quasi--1D antiferromagnetic $S=1/2$ chain cuprate LiCuVO$_4$, focusing on the high--field spin--modulated phase observed recently in applied magnetic fields $H > H_{\rm c2}$ ($\mu_0H_{\rm c2} \approx 7.5$ T).…

Materials Science · Physics 2010-02-12 N. Buttgen , W. Kraetschmer , L. E. Svistov , L. A. Prozorova , A. Prokofiev

Skyrmions, topologically stable spin textures, are of great interest for new generations of spintronic devices. In general, the stabilization of skyrmions has been achieved in systems with broken inversion symmetry, where the asymmetric…

We report the synthesis and characterization of Li2ZnV3O8, which is a new Zn-doped LiV2O4 system containing only tetravalent vanadium. A Curie-Weiss susceptibility with a Curie-Weiss temperature of <theta>CW ~214 K suggests the presence of…

Strongly Correlated Electrons · Physics 2017-06-06 Tanmoy Chakrabarty , A. V. Mahajan , B. Koteswararao

The ZrSiS-class of layered materials offer interesting topological and magnetic characteristics suitable for spintronics applications. In this work, we have synthesized a polycrystalline NdBiTe using solid-state reaction technique and have…

Strongly Correlated Electrons · Physics 2024-10-02 Prabuddha Kant Mishra , Shivani Kumawat , Soumyakanta Panda , Niharika Mohapatra , B K Mani , Ashok Kumar Ganguli

Magnetic skyrmions are topological spin structures having immense potential for energy efficient spintronic devices. However, observations of skyrmions at room temperature are limited to patterned nanostructures. Here, we report the…

We report the emergence of altermagnetism, a magnetic phase characterized by the coexistence of compensated spin ordering and momentum-dependent spin splitting, in graphite intercalation compounds (GICs), a prototypical material system long…

Materials Science · Physics 2025-11-21 Weida Fu , Guo-Dong Zhao , Tao Hu , Wencai Yi , Hui Zhang , Alessandro Stroppa , Wei Ren , Zhongming Ren

The chromium spinels MgCr2O4 and ZnCr2O4 are prime examples of the highly frustrated pyrochlore lattice antiferromagnet. Experiment has carefully established that both materials, upon cooling, distort to lower symmetry and order…

Strongly Correlated Electrons · Physics 2025-02-28 Ludovic D. C. Jaubert , Yasir Iqbal , Harald O. Jeschke