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Related papers: Synthesis and characterization of multiferroic BiM…

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We have grown single crystals of multiferroic double-perovskite Lu2CoMnO6 and studied the directional dependence of their magnetic and dielectric properties. The ferromagnetic order emerges below TC ~ 48K along the crystallographic c axis.…

Strongly Correlated Electrons · Physics 2014-03-26 N. Lee , H. Y. Choi , Y. J. Jo , M. S. Seo , S. Y. Park , Y. J. Choi

We present a detailed study of the local atomic and magnetic structure of the type-I multiferroic perovskite system (Sr,Ba)(Mn,Ti)O$_3$ using x-ray and neutron pair distribution function (PDF) analysis, polarized neutron scattering, and…

Layered perovskites $A_3M_2$O$_7$ are known to exhibit the so-called hybrid improper ferroelectricity. Despite experimentally confirmed cases (e.g. nonmagnetic $M$=Ti and Sn), the ferroelectricity in magnetic Ca$_3$Mn$_2$O$_7$ remains a…

The non-stoichiometric double perovskite oxide La2Ni1.19Os0.81O6 was synthesized by solid state reaction and its crystal and magnetic structures were investigated by powder x-ray and neutron diffraction. La2Ni1.19Os0.81O6 crystallizes in…

Strongly Correlated Electrons · Physics 2018-05-16 Hai L. Feng , Manfred Reehuis , Peter Adler , Zhiwei Hu , Michael Nicklas , Andreas Hoser , Shih-Chang Weng , Claudia Felser , Martin Jansen

We describe the design of a new magnetic ferroelectric with large spontaneous magnetization and polarization using first-principles density functional theory. The usual difficulties associated with the production of robustly-insulating…

Materials Science · Physics 2011-11-09 Pio Baettig , Nicola Spaldin

We have examined magnetic ordering of the two-dimensional (2D) bilayer manganite La$_{1.1}$Sr$_{1.9}$Mn$_2$O$_7$ with neutron diffraction technique. Due to the two-dimensionality, there appears intense 2D ridge scattering along the…

Strongly Correlated Electrons · Physics 2007-05-23 M. Kubota , Y. Oohara , H. Yoshizawa , H. Fujioka , K. Hirota , Y. Moritomo , Y. Endoh

We put forward double perovskites of the R$_2$NiMnO$_6$ family (with $R$ a rare-earth atom) as a new class of multiferroics on the basis of {\it ab initio} density functional calculations. We show that changing $R$ from La to Y drives the…

Strongly Correlated Electrons · Physics 2015-05-14 Sanjeev Kumar , Gianluca Giovannetti , Jeroen van den Brink , Silvia Picozzi

New metal-ordered manganites RBaMn_{2}O_{6} have been synthesized and investigated in the structures and electromagnetic properties. RBaMn_{2}O_{6} can be classified into three groups from the structural and electromagnetic properties. The…

Strongly Correlated Electrons · Physics 2009-11-07 T. Nakajima , H. Kageyama , H. Yoshizawa , Y. Ueda

Perovskite metal-organic frameworks (MOFs) have recently emerged as potential candidates for multiferroicity. However, the compounds synthesized so far possess only weak ferromagnetism and low polarization. Additionally, the very low…

Materials Science · Physics 2018-01-24 Paresh Chandra Rout , Varadharajan Srinivasan

This work reports the synthesis, structure and magnetic properties of the single crystal of a facile spin 1/2 one dimensional Heisenberg antiferromagnet bis(4-aminopyridinium) bis(oxalato)cuprate(II) dihydrate, (C 5 H 7 N 2 ) 2 [Cu(C 2 O 4…

The mixed manganite-cuprate CaCu3Mn4O12 is found, using density functional methods, to be a narrow gap (90 meV calculated) ferrimagnetic semiconductor. Cu (formally S=1/2) antialigns with Mn (formally S=3/2), and the net spin moment is 9…

Strongly Correlated Electrons · Physics 2021-05-26 Ruben Weht , Warren E. Pickett

Cubic perovskite-structure ABO$_3$ and A$_{1-x}$A$^{\prime}$$_x$BO$_3$-type oxides have been investigated extensively while their hexagonal-structure versions have received minimal attention, even though they are multiferroic and can form…

Materials Science · Physics 2024-01-29 M. J. Swamynadhan , Andrew O'Hara , Saurabh Ghosh , Sokrates T. Pantelides

In this work, we report the synthesis and investigation of structural, electronic, and magnetic properties of La$_{1.5}$Ca$_{0.5}$(Co$_{0.5}$Fe$_{0.5}$)IrO$_6$. Our polycrystalline sample forms as a single-phase double perovskite in…

Type-II multiferroics, in which the magnetic order breaks inversion symmetry, are appealing for both fundamental and applied research due their intrinsic coupling between magnetic and electrical orders. Using first-principles calculations…

Materials Science · Physics 2023-11-20 Urmimala Dey , Mark S. Senn , Nicholas C. Bristowe

The descloizite-type compound, SrMn(VO4)(OH), was synthesized as large single crystals using a high-temperature high-pressure hydrothermal technique. X-ray single crystal structure analysis reveals that the material crystallizes in the…

Strongly Correlated Electrons · Physics 2016-06-22 Liurukara D. Sanjeewa , V. Ovidiu Garlea , Michael A. McGuire , Colin D. McMillen , Huibo Cao , Joseph W. Kolis

The GdFeO$_{3}$-type perovskite CaCoO$_{3}$ has been successfully synthesized by high-pressure oxygen annealing for the oxygen deficient perovskite. A detailed structural analysis based on synchrotron X-ray diffraction data and a…

Strongly Correlated Electrons · Physics 2017-07-20 T. Osaka , H. Takahashi , H. Sagayama , Y. Yamasaki , S. Ishiwata

Here, the first-principles predictions on the structural stability, magnetic behavior and electronic structure of B-site ordered double perovskite Nd$_{2}$FeCrO$_{6}$ have been reported. Initially, the ground state of the parent single…

Materials Science · Physics 2022-01-10 M. D. I. Bhuyan , Rana Hossain , Ferdous Ara , M. A. Basith

The structural, electronic, magnetic and ferroelectric properties of Pb free double perovskite multiferroic Bi2FeTiO6 are investigated using density functional theory within the general gradient approximation (GGA) method. Our structural…

Materials Science · Physics 2018-05-23 Lokanath Patra , P. Ravindran

Here, we report structural and optical properties of (ALa)(FeMn)O6 (A = Ba and Sr) double perovskite synthesized via auto-combustion followed by a calcination process. Rietveld refinement of the structure using x-ray diffraction data…

Materials Science · Physics 2019-03-05 Dinesh Kumar , V. Sudarshan , Akhilesh Kumar Singh

The substitution of cobalt and nickel for manganese in the perovskite manganate LaBiMn2O6+d; has been realized, leading to the perovskites LaBiMn2-x(M)xO6+d, with M = Co, Ni and x =0-2/3. In contrast to the literature those phases are found…

Materials Science · Physics 2008-02-01 Asish K. Kundu , V. Pralong , V. Caignaert , C. N. R. Rao , B. Raveau
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