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In this work we present a study of the low temperature magnetic phases of polycrystalline MnCr$_2$O$_4$ spinel through dc magnetization and ferromagnetic resonance spectroscopy (FMR). Through these experiments we determined the main…

Materials Science · Physics 2014-12-03 Dina Tobia , Julián Milano , María Teresa Causa , Elin L. Winkler

The crystallographic and magnetic properties of the cleavable 4d3 transition metal compound a-MoCl3 are reported, with a focus on the behavior above room temperature. Crystals were grown by chemical vapor transport and characterized using…

Mn1-xZnxCr2O4 (0<x<1) single crystals have been grown by the chemical vapor transport (CVT) method. The crystallographic, magnetic, and thermal transport properties of the single crystals were investigated by the room-temperature X-ray…

Strongly Correlated Electrons · Physics 2016-02-29 G. T. Lin , X. Luo , Q. L. Pei , F. C. Chen , C. Yang , J. Y. Song , L. H. Yin , W. H. Song , Y. P. Sun

A magneto-structural phase transition is investigated in single crystal CrN thin films grown by rf plasma molecular beam epitaxy on MgO(001) substrates. While still within the vacuum environment following MBE growth, $\it in-situ$…

ZnCr2O4 undergoes a first order spin-Peierls-like phase transition at 12.5 K from a cubic spin liquid phase to a tetragonal Neel state. Using powder diffraction and single crystal polarized neutron scattering, we determined the complex spin…

Strongly Correlated Electrons · Physics 2009-11-13 S. -H. Lee , W. Ratcliff , Q. Huang , T. H. Kim , S-W. Cheong

Mn$_3$O$_4$ is a spin frustrated magnet that adopts a tetragonally distorted spinel structure at ambient conditions and a CaMn$_2$O$_4$-type postspinel structure at high pressure. We conducted both optical measurements and \emph{ab}…

Strongly Correlated Electrons · Physics 2014-06-18 S. Hirai , Y. Goto , A. Wakatsuki , Y. Kamihara , M. Matoba , W. L. Mao

Millimeter-sized MnBi$_2$Te$_4$ single crystals are grown out of Bi-Te flux and characterized by measuring magnetic and transport properties, scanning tunneling microscope (STM) and spectroscopy (STS). The magnetic structure of…

Materials Science · Physics 2019-06-18 J. -Q. Yan , Q. Zhang , T. Heitmann , Z. L. Huang , W. D. Wu , D. Vaknin , B. C. Sales , R. J. McQueeney

The spinel NiCr$_2$O$_4$ is characterized using dielectric and high magnetic field measurements. The trends in the magnetodielectric response fall into three clear temperature regimes corresponding to known magnetic and structural…

Materials Science · Physics 2014-01-15 Taylor D. Sparks , Moureen C. Kemei , Phillip T. Barton , R. Seshadri , Eun-Deok Mun , Vivien Zapf

We have performed an extensive study of single-crystals of the magneto-electric NdFe$_3$($^{11}$BO$_3$)$_4$ by means of a combination of single-crystal neutron diffraction and spherical neutron polarimetry. Our investigation did not detect…

Strongly Correlated Electrons · Physics 2010-03-26 M. Janoschek , P. Fischer , J. Schefer , B. Roessli , V. Pomjakushin , M. Meven , V. Petricek , G. Petrakovskii , L. Bezmaternikh

We report X-ray diffraction and magnetic susceptibility studies of the structural phase transition in $\alpha$-RuCl$_{3}$. By utilizing a single crystal sample with predominantly single twin domain, we show that $\alpha$-RuCl$_{3}$ goes…

Strongly Correlated Electrons · Physics 2023-11-08 Subin Kim , Ezekiel Horsley , Jacob P. C. Ruff , Beatriz D. Moreno , Young-June Kim

At room temperature, the normal oxide spinels NiCr_2O_4 and CuCr_2O_4 are tetragonally distorted and crystallize in the I4_1/amd space group due to cooperative Jahn-Teller ordering driven by the orbital degeneracy of tetrahedral Ni$^{2+}$…

Materials Science · Physics 2012-09-11 Matthew R. Suchomel , Daniel P. Shoemaker , Lynn Ribaud , Moureen C. Kemei , Ram Seshadri

The magnetic and multiferroic phase diagram of Mn$_{0.85}$Co$_{0.15}$WO$_4$ single crystals is investigated by means of magnetic, heat capacity, dielectric, polarization, and neutron scattering experiments. Three magnetic phase transitions…

Strongly Correlated Electrons · Physics 2010-12-01 R. P. Chaudhury , F. Ye , J. A. Fernandez-Baca , Y. -Q. Wang , Y. Y. Sun , B. Lorenz , H. A. Mook , C. W. Chu

High resolution ultrasonic velocity measurements have been used to determine the temperature -- magnetic-field phase diagram of the monoclinic multiferroic CuO. A new transition at TN3 = 230 K, corresponding to an intermediate state between…

Materials Science · Physics 2015-03-20 R. Villarreal , G. Quirion , M. L. Plumer , M. Poirier , T. Usui , T. Kimura

Two magnetic ordering transitions are found in InMnO3, the paramagnetic to antiferromagnetic transition near ~118 K and a lower possible spin rotation transition near ~42 K. Multiple length scale structural measurements reveal enhanced…

Materials Science · Physics 2015-06-22 T. Yu , T. A. Tyson , P. Gao , T. Wu , X. Hong , S. Ghose , Y. -S. Chen

As a sister compound and isostructural of MnBi2Te4, the high quality MnSb2Te4 single crystals are grown via solid-state reaction where prolonged annealing and narrow temperature window play critical roles on account of its thermal…

Materials Science · Physics 2021-04-05 Hao Li , Yaoxin Li , Yu-Kun Lian , Weiwei Xie , Ling Chen , Jinsong Zhang , Yang Wu , Shoushan Fan

The structure and magnetic properties of Mn1+xV2-xO4 (0<x<=1), a complex frustrated system, were investigated by heat capacity, magnetization, x-ray diffraction, and neutron diffraction measurements. For x<=0.3, a cubic-to-tetragonal (c >…

Strongly Correlated Electrons · Physics 2020-10-07 J. L. Jiao , H. P. Zhang , Q. Huang , W. Wang , G. Wang , Q. Ren , R. Sinclair , G. T. Lin , A. Huq , H. Cao , H. D. Zhou , M. Z. Li , J. Ma

The ferrimagnetic spinel MnCr2S4 shows a variety of magnetic-field-induced phase transitions owing to bond frustration and strong spin-lattice coupling. However, the site-resolved magnetic properties at the respective field-induced phases…

Strongly Correlated Electrons · Physics 2021-02-17 Sh. Yamamoto , H. Suwa , T. Kihara , T. Nomura , Y. Kotani , T. Nakamura , Y. Skourski , S. Zherlitsyn , L. Prodan , V. Tsurkan , H. Nojiri , A. Loidl , J. Wosnitza

The magnetic and structural transformations in the nickel crystal within the temperature range 470 < T< 631 K is studied on the basis of general phenomenological theory of spin-orbit phase transitions. A new phase transition at Tls \approx…

Strongly Correlated Electrons · Physics 2012-07-05 Khisa Sh. Borlakov , Albert Kh. Borlakov

Synchrotron x-ray diffraction experiments were performed on BaFe$_2$As$_2$ and Sr(Fe$_{1-x}$Co$_{x}$)$_2$As$_2$ single crystals as a function of temperature and applied magnetic field along the tetragonal $[1 \bar{1} 0]$ direction,…

Superconductivity · Physics 2018-07-02 U. F. Kaneko , C. B. R. Jesus , M. E. Saleta , P. G. Pagliuso , R. R. Urbano , E. Granado

Magnetic control of correlated spin systems is central to the development of next-generation spin-based technologies. Rare-earth orthoferrites provide an interesting platform in which exchange coupling between rare-earth 4f and…