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We fabricated epitaxial thin films of hexagonal DyMnO3, which otherwise form in a bulk perovskite structure, via deposition on Pt(111)//Al2O3 (0001) and YSZ(111) substrates: each of which has in-plane hexagonal symmetry. The polarization…

Materials Science · Physics 2015-06-25 J. -H. Lee , P. Murugavel , D. Lee , T. W. Noh , Y. Jo , M. -H. Jung , K. H. Jang , J. -G. Park

A single crystal of lead-zirconate-titanate (PZT), composition Pb(Zr0.80Ti0.20)O3, was studied by polarized-Raman scattering as a function of temperature. Raman spectra reveal that the local structure deviates from the average structure in…

Materials Science · Physics 2015-06-23 J. Frantti , Y. Fujioka , A. Puretzky , Y. Xie , Z. -G. Ye , C. Parish , A. M. Glazer

We report on the lattice evolution of BiFeO3 as function of temperature using far infrared emissivity, reflectivity, and X-ray absorption local structure. A power law fit to the lowest frequency soft phonon in the magnetic ordered phase…

The weak ferromagnet FeBO$_3$ is well known for being a unique system for modelling and testing magnetic dynamics primarily due to relatively simple and localized magnetic structure and its interesting spin wave dynamics. At room…

Strongly Correlated Electrons · Physics 2023-07-05 Jacob Franklin , Jacob Pfund , Joshua Bedard , Weiguo Zhang , P. Shiv Halasyamani , Menka Jain , Ilya Sochnikov

Magnetic properties of high-quality Al-free nonsuperconducting GdBa_2Cu_3O_{6+y} single crystals grown by flux method have been studied. The magnetic anisotropy below the N\'eel temperature T_N~2.3K corresponds to the direction of Gd^{3+}…

Materials Science · Physics 2016-08-31 V. N. Narozhnyi , D. Eckert , G. Fuchs , V. Nekvasil , K. -H. Müller

The influence of an external static magnetic field (up to 480 mT)on the structural properties of EuTiO$_3$ (ETO) polycrystalline samples was examined by powder XRD at the Elettra synchrotron facilities in the temperature range 100-300K.…

Materials Science · Physics 2021-12-15 P. Pappas , M. Calamiotou , M. Polentarutti , G Bais , A. Bussmann-Holder , E. Liarokapis

A combined experimental and theoretical study of the layered antiferromagnetic compound DyRh$_2$Si$_2$ in the ThCr$_2$Si$_2$-type structure is presented. The heat capacity shows two transitions upon cooling, the first one at the N{\'e}el…

Strongly Correlated Electrons · Physics 2023-07-05 Kristin Kliemt , Michelle Ocker , Sarah Krebber , Susanne Schulz , Denis V. Vyalikh , Cornelius Krellner , Dmitry Yu. Usachov

We carried out temperature and field dependent magnetic measurements to understand the evolution of magnetic non-collinearity near antiferromagnetic phase in conjunction with the evolution of magnetic entropy near phase transition. We…

Strongly Correlated Electrons · Physics 2019-08-20 Brajesh Tiwari , Ambesh Dixit , M. S. Ramachandra Rao

We report the structural, magnetic properties, and magnetocaloric effect of a new polycrystalline compound of $\mathrm{Tb_2Rh_3Ge}$. This present compound crystallizes with $\mathrm{Mg_2Ni_3Si}$-type of rhombohedral Laves phases (space…

Materials Science · Physics 2021-10-04 Baidyanath Sahu , AM Strydom

{\alpha}-SrCr2O4 has a triangular planar lattice of d3 Cr3+ made from edge sharing CrO6 octahedra; the plane shows a very small orthorhombic distortion from hexagonal symmetry. With a Weiss temperature of -596 K and a three-dimensional…

Strongly Correlated Electrons · Physics 2011-06-13 S E Dutton , E Climent-Pascual , P W Stephens , J P Hodges , A Huq , C L Broholm , R J Cava

Single crystals of monoclinic La$_{5}$Co$_{2}$Ge$_{3}$ were grown using a self-flux method and were characterized by room-temperature powder X-ray diffraction, anisotropic temperature and field dependent magnetization, temperature dependent…

Strongly Correlated Electrons · Physics 2020-07-01 Scott. M. Saunders , Li. Xiang , Rustem. Khasanov , Tai. Kong , Qisheng. Lin , Sergey. L. Bud'ko , Paul. C. Canfield

The temperature evolution of the crystal and magnetic structures of ferroelectric sulfide AgCrS2 have been investigated by means of neutron scattering. AgCrS2 undergoes at TN = 41.6 K a first-order phase transition, from a paramagnetic…

Materials Science · Physics 2015-05-19 Francoise Damay , Christine Martin , Vincent Hardy , Gilles André , Sylvain Petit , Antoine Maignan

Y$_2$Co$_3$ is a newly discovered antiferromagnetic (AFM) compound with distorted kagome layers. Previous investigations via bulk magnetization measurements suggested a complex noncollinear magnetic behavior, with magnetic moments primarily…

A high-quality PrFeAsO$_{1-\delta}$ single crystal ($T_{\rm c}=44$ K) has been investigated by the magnetic torque. Antiferromagnetism of the Pr$^{3+}$ ions was found to coexist with superconductivity in PrFeAsO$_{1-\delta}$ at temperatures…

Superconductivity · Physics 2010-01-25 D. Kubota , T. Ishida , M. Ishikado , S. Shamoto , H. Eisaki , H. Kito , A. Iyo

YMnO3 exhibits a ferroelectric transition at high temperature (~ 900 K) and magnetic ordering at T_N ~ 70 K where the dielectric constant shows an anomaly indicative of the magneto-dielectric effect. Here we report powder neutron…

Strongly Correlated Electrons · Physics 2007-05-23 M. Janoschek , B. Roessli , L. Keller , S. N. Gvasaliya , K. Conder , E. Pomjakushina

SmFeO3 has attracted considerable attention very recently due to the reported multiferroic properties above room-temperature. We have performed powder and single crystal neutron diffraction as well as complementary polarization dependent…

We report on Ferromagnetic-Resonance experiments in a single crystal of La_0.8Sr_0.2MnO_3 in the temperature range from 4 to 300 K. The observed anisotropy of the resonance line changes on crossing the transition from the orthorhombic…

Strongly Correlated Electrons · Physics 2007-05-23 J. Deisenhofer , H. -A. Krug von Nidda , A. Loidl , M. V. Eremin , V. A. Ivanshin , T. Kimura , Y. Tokura

In this work, we study the anisotropic magnetoresistance (AMR) behavior of [001] epitaxial Fe65Co35 thin films along different crystallographic directions as a function of temperature. The AMR ratio is found to strongly depend on the…

Chromium(III) oxide is a classical collinear antiferromagnet with a linear magnetoelectric effect. We are presenting the measurements of the magnetoelectric susceptibility $\alpha$ of a sputter-deposited 500-nm film and a bulk…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Muftah Al-Mahdawi , Yohei Shiokawa , Satya Prakash Pati , Shujun Ye , Tomohiro Nozaki , Masashi Sahashi

The static magnetic and dynamic properties of the compound (NH3)2(CH2)3CoCl4 are investigated in the temperature interval 0.5-50 K. It is shown that at TN =2.05 K this compound undergoes a transition to a magnetically ordered…

Materials Science · Physics 2009-11-11 A. S. Cherny , K. G. Dergachev , M. I. Kobets , E. N. Khatsko
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