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The ferrimagnetic insulator Mn3Si2Te6, which features a Curie temperature Tc at 78 K and a delicate yet consequential magnetic frustration, exhibits colossal magnetoresistance (CMR) when the magnetic field is applied along the magnetic hard…

Strongly Correlated Electrons · Physics 2022-11-02 Feng Ye , Masaaki Matsuda , Zachary Morgan , Todd Sherline , Yifei Ni , Hengdi Zhao , G. Cao

The crystal structures and magnetic properties of three previously unreported A2B2F7 pyrochlore materials, NaSrMn2F7, NaCaFe2F7, and NaSrFe2F7 are presented. In these compounds, either S=2 Fe2+ or S=5/2 Mn2+ is on the B site, while…

Strongly Correlated Electrons · Physics 2016-12-21 M. B. Sanders , J. W. Krizan , K. W. Plumb , T. M. McQueen , R. J. Cava

The layered honeycomb magnet alpha-RuCl3 has been proposed as a candidate to realize a Kitaev spin model with strongly frustrated, bond-dependent, anisotropic interactions between spin-orbit entangled jeff=1/2 Ru4+ magnetic moments. Here we…

Strongly Correlated Electrons · Physics 2015-12-16 R. D. Johnson , S. Williams , A. A. Haghighirad , J. Singleton , V. Zapf , P. Manuel , I. I. Mazin , Y. Li , H. O. Jeschke , R. Valenti , R. Coldea

SmCrO$_3$ single crystals were successfully grown utilizing the high-pressure optical floating-zone method and their crystal structure, magnetization behavior, and magnetic phase diagrams were thoroughly investigated. Magnetic studies were…

Strongly Correlated Electrons · Physics 2025-06-05 Ning Yuan , Erik Walendy , Nour Maraytta , Waldemar Hergett , Luca Bischof , Michael Merz , Rüdiger Klingeler

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

A single crystalline system typically stabilizes a unique state for spin ordering below a critical temperature. Certain materials exhibit multiple magnetic states, driven by structural phase transitions under varying thermodynamic…

We determine experimentally the spin structure of half-metallic Co2FeAl0.4Si0.6 Heusler alloy elements using magnetic microscopy. Following magnetic saturation, the dominant magnetic states consist of quasi-uniform configurations, where a…

Using magnetic torque measurement on a NaNiO2 single crystal, we have established the magnetic phase diagram of this triangular compound. It presents 5 different phases depending on the temperature (4 K - 300 K) and magnetic field (0 - 22…

Strongly Correlated Electrons · Physics 2015-05-18 Sophie De Brion , Markus Bonda , Céline Darie , Pierre Bordet , Ilya Sheikin

Ho$_3$ScO$_6$ harbours a frustrated Maple Leaf Lattice (MLL). It crystalizes in the Mg$_3$TeO$_6$-type structure, and has a centrosymmetric trigonal space group (R$\bar{3}$). This system contains stacked layers of magnetic rings along the…

Strongly Correlated Electrons · Physics 2024-10-29 C. Aguilar-Maldonado , R. Feyerherm , K. Prokeš , L. Keller , B. Lake

Two new transition-metal tellurium oxy-chlorides of the general formula Ni_5(TeO_3)_4X_2 (X=Cl, Br) have been isolated during the investigation of the ternary phase diagram NiO-NiCl2-TeO2. They crystallize in the monoclinic system, space…

Strongly Correlated Electrons · Physics 2010-03-09 M. Johnsson , K. W. Toernroos , P. Lemmens , P. Millet

Na$_3$Co$_2$SbO$_6$ is a potential Kitaev magnet with a monoclinic layered crystal structure. Recent investigations of the $C_3$-symmetric sister compound Na$_2$Co$_2$TeO$_6$ have uncovered a unique triple-$\mathbf{q}$ magnetic ground…

Mn3TeO6 exhibits a corundum-related A3TeO6 structure and a complex magnetic structure involving two magnetic orbits for the Mn atoms [*]. Mn3-xCdxTeO6 (x=0, 1, 1.5 and 2) ceramics were synthesized by solid state reaction and investigated…

Materials Science · Physics 2012-01-20 S. A. Ivanov , R. Mathieu , P. Nordblad , E. Politova , R. Tellgren , C. Ritter , V. Proidakova

Two-dimensional (2D) magnetic materials offer unprecedented opportunities for fundamental physics and applied research in spintronics and magnonics. Beyond the pioneering studies on 2D CrI3 and Cr2Ge2Te6, this emerging field has expanded to…

We study the ferromagnetism of La0.67Ca0.33MnO3 in bulk polycrystalline, nanocrystalline and amorphous phase. The structural change from crystalline phase to amorphous phase exhibited a systematic decrease of TC(paramagnetic to…

Materials Science · Physics 2008-10-02 R. N. Bhowmik , Asok Poddar , R. Ranganathan , Chandan Majumdar

The formation and characteristics of magnetic skyrmions are strongly governed by the symmetry of the underlying crystal structure. In this study, we report the discovery of a new trigonal polymorph of Cu2OSeO3, observed exclusively in…

Materials Science · Physics 2025-09-18 Alla Arakcheeva , Priya Ranjan Baral , Wen Hua Bi , Christian Jandl , Oleg Janson , Arnaud Magrez

Neutron diffraction studies have been carried out on a single crystal of oxygen-deficient perovskite TbBaCo2O5.5 in the temperature range of 7-370 K. There have been observed several magnetic or structural transitions. Among these, the…

Strongly Correlated Electrons · Physics 2009-11-10 Minoru Soda , Yukio Yasui , Toshiaki Fujita , Takeshi Miyashita , Masatoshi Sato , Kazuhisa Kakurai

We report a systematic study of the structure, electric and magnetic properties of Ca$_3$Co$_{2-x}$Mn$_x$O$_6$ single crystals with $x =$ 0.72 and 0.26. The DC and AC magnetic susceptibilities display anomalies with characteristic of the…

Materials Science · Physics 2017-09-08 J. Shi , J. D. Song , J. C. Wu , X. Rao , H. L. Che , Z. Y. Zhao , H. D. Zhou , J. Ma , R. R. Zhang , L. Zhang , X. G. Liu , X. Zhao , X. F. Sun

We investigated the rare-earth transition metal oxide series, Ln2CuTiO6 (Ln=Y, Dy, Ho, Er and Yb), crystallizing in the hexagonal structure with non-centrosymmetric P63cm space group for possible occurrences of multiferroic properties. Our…

We used single-crystal x-ray and neutron diffraction to investigate the crystal and magnetic structures of trigonal lattice iridate Ca2Sr2IrO6. The crystal structure is determined to be $R\bar3$ with two distinct Ir sites. The system…

Strongly Correlated Electrons · Physics 2018-06-14 Jieming Sheng , Feng Ye , Christina Hoffmann , Valentino R. Cooper , Satoshi Okamoto , Jasminka Terzic , Hao Zheng , Hengdi Zhao , G. Cao

We have studied the magnetotransport of conical and disk-shaped nanocarbon particles in magnetic fields $\left|B\right|\leq9\:\mathrm{T}$ at temperatures $2\leq T\leq300\:\mathrm{K}$ to characterize electron scattering in a three…

Mesoscale and Nanoscale Physics · Physics 2014-07-28 Jozef Černák , Geir Helgesen , Fredrik Sydow Hage , Jozef Kováč