English
Related papers

Related papers: Incommensurate magnetic structure in the orthorhom…

200 papers

In this study, we determined the different physical characteristics of nanoscale layered mixed Fe-Co layers of orthoferrite SmFe0.5Co0.5O3 based on magnetic and dielectric measurements.Magnetization analyzes showed that the system was…

Materials Science · Physics 2018-12-27 Ashish Shukla , Akash Singh , Md. Motin Seikh , Asish K Kundu

Perovskite structure SrMnO$_3$ is a rare example of a multiferroic material where strain-tuning and/or cation substitution could lead to coinciding magnetic and ferroelectric ordering temperatures, which would then promise strong…

Materials Science · Physics 2018-10-24 Alexander Edström , Claude Ederer

A plethora of temperature induced phase transitions have been observed in $[CH_3NH_3][M(HCOO)_3]$ compounds, where M is Co(II) or Ni(II). Among them, the nickel compound exhibits a combination of magnetic and nuclear incommensurabil-ity…

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

ABO3 perovskite multiferroic La0.5Bi0.5Mn0.5Fe0.5O3.09 where the B-site cations is responsible for the magnetic properties and the A-site cation with lone pair electron is responsible for the ferroelectric properties was synthesized at…

Materials Science · Physics 2008-08-25 Asish K. Kundu , R. Ranjith , V. Pralong , N. Nguyen , B. Kundys , V. Caignaert , W. Prellier , B. Raveau

The perovskite oxide EuTiO3 (ETO) has attracted increased scientific interest due to its potential multiferroic properties and magnetic activity above and below its structural phase transition at TS=282K. Various experiments have indirectly…

We report a comprehensive investigation of the triple perovskite iridate Ba$_{3}$CoIr$_{2}$O$_{9}$. Stabilizing in the hexagonal $P6_{3}/mmc$ symmetry at room temperature, this system transforms to a monoclinic $C2/c$ symmetry at the…

Strongly Correlated Electrons · Physics 2021-02-03 Charu Garg , Deepak Roy , Martin Lonsky , Pascal Manuel , Antonio Cervellino , Jens Müller , Mukul Kabir , Sunil Nair

Double perovskite-based magnets wherein frustration and competition between emergent degrees of freedom are at play can lead to novel electronic and magnetic phenomena. Herein, we report the electronic structure and magnetic properties of…

Magnetic properties of single crystalline SmRu$_{2}$Al$_{10}$ have been investigated by electrical resistivity, magnetic susceptibility, and specific heat. We have confirmed the successive magnetic phase transitions at $T_{\text{N}}=12.3$ K…

Strongly Correlated Electrons · Physics 2015-12-10 S. Takai , T. Matsumura , H. Tanida , M. Sera

We present a study of the effect of very high pressure on the orthorhombic perovskite GdMnO3 by Raman spectroscopy and synchrotron x-ray diffraction up to 53.2 GPa. The experimental results yield a structural and insulator-to-metal phase…

Strongly Correlated Electrons · Physics 2011-11-22 J. Agostinho Moreira , A. Almeida , J. Oliveira , V. H. Rodrigues , M. M. R. Costa , P. B. Tavares , P. Bouvier , M. Guennou , J. Kreisel

First principles density functional calculations for Fe$_{2}$O$_{3}$ has been performed over a wide range of pressures. The ground state is corundum-type hematite and is an antiferromagnetic insulator. This is in good agreement with…

Materials Science · Physics 2009-03-13 Dipta Bhanu Ghosh , Stefano de Gironcoli

We have synthesized single crystalline sample of Mn$_2$V$_2$O$_7$ using floating zone technique and investigated the ground state using magnetic susceptibility, heat capacity and neutron diffraction. Our magnetic susceptibility and heat…

Strongly Correlated Electrons · Physics 2019-11-27 J. Sannigrahi , D. T. Adroja , R. Perry , M. J. Gutmann , V. Petricek , D. Khalyavin

The tri-layered perovskite Sr4Rh3O10 is reported for the first time. High-pressure and high-temperature heating (6 GPa and 1500 C) brought about successful preparation of a polycrystalline sample of the expected member at n=3 of…

Strongly Correlated Electrons · Physics 2007-05-23 K. Yamaura , Q. Huang , D. P. Young , E. Takayama-Muromachi

The complex perovskite Ba2CoTeO6 (BCTO) has been synthesised, and the crystal structure and magnetic properties have been investigated using a combination of X-ray and neutron powder diffraction, electron microscopy and dielectric,…

Materials Science · Physics 2010-12-01 S. A. Ivanov , P. Nordblad , R. Mathieu , R. Tellgren , C. Ritter

Room-temperature ferrimagnetism was discovered for the anti-site-disordered perovskite Ca2MnOsO6 with Tc = 305 K. Ca2MnOsO6 crystallizes into an orthorhombic structure with a space group of Pnma, in which Mn and Os share the…

At room temperature, GdMnO3 is a paraelectric and paramagnetic with a distorted perovskite structure of orthorhombic symmetry (space group Pnma). On cooling, it undergoes a phase transition sequence to a magnetic incommensurate phase…

Materials Science · Physics 2007-09-24 J. L. Ribeiro

We investigated complex magnetic properties of multifunctional LaCrO3-LaFeO3 system. The magnetic measurements substantiate the presence of competing complex magnetic ordering against temperature, showing paramagnetic to ferrimagnetic…

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

Magnetically-driven ferroelectric atomic displacements of the order of 10$^{-3} Angstrom have been observed in orthorhombic (perovskite like) YMnO$_3$ by a single-crystal synchrotron x-ray diffraction. The refined polar structure shows the…

Strongly Correlated Electrons · Physics 2011-08-12 D. Okuyama , S. Ishiwata , Y. Takahashi , K. Yamauchi , S. Picozzi , K. Sugimoto , H. Sakai , M. Takata , R. Shimano , Y. Taguchi , T. Arima , Y. Tokura

Synchrotron X-ray diffraction patterns were measured and analyzed for a polycrystalline sample of the room-temperature ferromagnet Sr3.12Er0.88Co4O10.5 from 300 to 650 K, from which two structural phase transitions were found to occur…

Strongly Correlated Electrons · Physics 2009-11-13 Shintaro Ishiwata , Wataru Kobayashi , Ichiro Terasaki , Kenichi Kato , Masaki Takata

The magnetic structure for the newly discovered iron-arsenide compound \CaFeAs has been studied by neutron powder diffraction. Long-range magnetic order is detected below 85K, with an incommensurate modulation described by the propagation…

Strongly Correlated Electrons · Physics 2011-06-30 P. Manuel , L. C. Chapon , I. S. Todorov , D. Y. Chung , J. -P. Castellan , S. Rosenkranz , R. Osborn , P. Toledano , M. G. Kanatzidis