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Related papers: Room temperature multiferroicity in orthorhombic L…

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A series of superlattices composed of ferromagnetic La$_{0.7}$Ca$_{0.3}$MnO$_3$ (LCMO) and ferroelectric/paraelectric Ba$_{1-x}$Sr$_x$TiO$_3$ (0$\leq $x$\leq $1) were deposited on SrTiO$_3$ substrates using the pulsed laser deposition.…

Materials Science · Physics 2009-11-11 M. P. Singh , W. Prellier , L. Mechin , W. Prellier

We report muon-spin rotation, heat capacity, magnetization, and ac magnetic susceptibility measurements of the layered spin-1/2 antiferromagnet NaNiO2. These show the onset of long-range magnetic order below T_N = 19.5K. Rapid muon…

Strongly Correlated Electrons · Physics 2010-07-08 P. J. Baker , T. Lancaster , S. J. Blundell , M. L. Brooks , W. Hayes , D. Prabhakaran , F. L. Pratt

We report multiferroic behavior in double perovskite Y2CoMnO6 with ferroelectric transition temperature Tc = 80K. The origin of ferroelectricity is associated with magnetic ordering of Co2+ and Mn4+ moments in a up-up-down-down arrangement.…

Materials Science · Physics 2015-06-15 G. Sharma , J. Saha , S. Patnaik

The multicaloric effect, which represents the reversible entropy change that occurs when both external magnetic and electric fields are applied, is an interesting phenomenon characteristic to multiferroics. Targeting the multicaloric effect…

X-ray scattering by multiferroic LuFe2O4 is reported. Below 320 K, superstructure reflections indicate an incommensurate charge order with propagation close to (1/3,1/3,3/2). The corresponding charge configuration, also found by electronic…

We have observed enhancement and shift in the spin reorientation transition temperature as a consequence of coexistence of orthorhombic and hexagonal phases and higher aspect ratio in nanoscale LuFeO3. Nanoparticles and nanofibers of LuFeO3…

The anisotropic optical properties of multiferroic BiFeO$_3$ thin films have been determined with Mueller matrix ellipsometry at room-temperature. The full dielectric tensors of tetragonal-like and rhombohedral-like BiFeO$_3$ phases…

Materials Science · Physics 2015-08-26 Daniel Schmidt , Lu You , Xiao Chi , Junling Wang , Andrivo Rusydi

EuTiO_{3} undergoes a structural phase transition from cubic to tetragonal at T_S = 282 K which is not accompanied by any long range magnetic order. However, it is related to the oxygen ocathedra rotation driven by a zone boundary acoustic…

Materials Science · Physics 2013-01-28 Z. Guguchia , H. Keller , J. Kohler , A. Bussmann-Holder

A neutron scattering investigation of the magnetoelectric coupling in PbFe_{1/2}Nb_{1/2}O_{3} (PFN) has been undertaken. Ferroelectric order occurs below 400 K, as evidenced by the softening with temperature and subsequent recovery of the…

Materials Science · Physics 2018-07-20 C. Stock , S. R. Dunsiger , R. A. Mole , X. Li , H. Luo

Single-phase multiferroic materials are usually considered useless because of the weak magnetoelectric effects, low operating temperature, and small electric polarization induced by magnetic orders. As a result, current studies on…

Materials Science · Physics 2020-09-01 Yan-Fen Chang , Young Sun

We report a detailed high-resolution powder neutron diffraction investigation of the structural behaviour of the multiferroic hexagonal polymorph of YMnO3 between room temperature and 1403 K. The study was aimed at resolving previous…

Materials Science · Physics 2015-05-19 Alexandra S. Gibbs , Kevin S. Knight , Philip Lightfoot

We report on the microwave, terahertz (THz), infrared and Raman spectroscopic studies of $BiMn_{7}O_{12}$ ceramics, shedding more light into the nature of two structural phase transitions and their possible relation with ferroelectricity in…

Materials Science · Physics 2024-01-08 A. Maia , M. Kempa , V. Bovtun , R. Vilarinho , C. Kadlec , J. Agostinho Moreira , A. A. Belik , P. Proschek , S. Kamba

We report results of low-temperature magnetotransport and Hall measurements on single crystals of four-layered hexagonal (4H) and nine-layered rhombohedral (9R) BaRuO$_3$ that provide insight into the structure-property relationships of…

Strongly Correlated Electrons · Physics 2011-12-22 Y. A. Ying , Y. Liu , T. He , R. J. Cava

Clear anomalies in the lattice thermal expansion (deviation from linear variation) and elastic properties (softening of the sound velocity) at the antiferromagnetic-to-paramagnetic transition are observed in the prototypical multiferroic…

We report a ferroelectric order at ~ 98 K for NiFe2O4, which carries an inverse spinel structure with a centrosymmetric Fd3m structure at room temperature. The value of spontaneous electric polarization is considerably high as ~ 0.29…

Materials Science · Physics 2019-05-10 J. K. Dey , A. Chatterjee , S. Majumdar , A. -C. Dippel , O. Gutowski , M. v. Zimmermann , S. Giri

Room temperature dielectric and magnetic properties of BiFeO$_3$ samples, co-doped with magnetic Gd and non-magnetic Ti in place of Bi and Fe, respectively, were reported. The nominal compositions of…

Materials Science · Physics 2015-07-28 M. A. Basith , O. Kurni , M. S. Alam , B. L. Sinha , Bashir Ahmmad

Recently, CuO has been proposed as a potential multiferroic material with high transition temperature. Competing models based on spin current and ionic displacements are invoked to explain ferroelectricity in CuO. The theoretical model…

Materials Science · Physics 2019-10-23 Binoy Krishna De , Vivek Dwij , V. G. Sathe

Monoclinic Li$_3$Co$_2$SbO$_6$ has been proposed as a Kitaev spin liquid candidate and investigated intensively, whereas the properties of its polymorph, the orthorhombic phase, is less known. Here we report the magnetic properties of the…

Strongly Correlated Electrons · Physics 2022-07-27 Qianhui Duan , Huanpeng Bu , Vladimir Pomjakushin , Hubertus Luetkens , Yuke Li , Jinkui Zhao , Jason S. Gardner , Hanjie Guo

We present a new member of the multiferroic oxides, Lu$_2$MnCoO$_6$, which we have investigated using X-ray diffraction, neutron diffraction, specific heat, magnetization, electric polarization, and dielectric constant measurements. This…

The theoretical description of the anomalous ferroelectric, ferromagnetic and magnetoelectric properties of Pb(Fe1/2Ta1/2)x(Zr0.53Ti0.47)1-xO3 and Pb(Fe1/2Nb1/2)x(Zr0.53Ti0.47)1-xO3 micro-ceramics is given. We performed calculations of…

Materials Science · Physics 2016-02-17 Maya D. Glinchuk , Eugene A. Eliseev , Anna N. Morozovska
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