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Density functional theory (DFT) calculations are used to study the magnetic and ferroelectric properties of Sr$_{1-x}$Ba$_{x}$MnO$_3$, with focus on $x=0.5$, under isotropic volume expansion/compression and biaxial strain. Our results…

Materials Science · Physics 2020-11-11 Alexander Edström , Claude Ederer

The role of doping Fe on the structural, magnetic and dielectric properties of frustrated antiferromagnet YMn1-xFexO3 (x less than or equal to 0.5) has been investigated. The neutron diffraction analysis shows that the structure of these…

Materials Science · Physics 2014-05-28 Neetika Sharma , A. Das , S. K. Mishra , C. L. Prajapat , M. R. Singh , S. S. Meena

We present a comprehensive experimental study of magnetization and magnetocaloric effect (MCE) in double perovskite (DP) materials $R_2$NiMnO$_6$ with $R =$ Pr, Nd, Sm, Gd, Tb, and Dy. While a paramagnetic to ferromagnetic transition, with…

Strongly Correlated Electrons · Physics 2021-12-30 Anzar Ali , Kanika Pasrija , Gyaneshwar Sharma , Sanjeev Kumar , Yogesh Singh

In this work we report a study of the magnetic behavior of ferrimagnetic oxide CoFe2O4 and ferrimagnetic oxide/ferromagnetic metal CoFe2O4/CoFe2 nanocomposites. The latter compound is a good system to study hard ferrimagnet/soft ferromagnet…

We have explored, computationally and experimentally, the magnetic properties of \fecob{} alloys. Calculations provide a good agreement with experiment in terms of the saturation magnetization and the magnetocrystalline anisotropy energy…

A new theory is developed for the magnetoelectric (ME) coupling in a symmetric 2-2 ME laminate having a representative piezoelectric crystal (PMN-PT) particularly with anisotropic piezoelectric properties. Considering the average field…

We use a combination of optical spectra, first principles calculations, and energy dependent magneto-optical measurements to elucidate the electronic structure and to study the phase diagram of Ni$_3$V$_2$O$_8$. We find a remarkable…

Strongly Correlated Electrons · Physics 2007-05-23 R. C. Rai , J. Cao , S. Brown , J. L. Musfeldt , D. Kasinathan , D. J. Singh , G. Lawes , N. Rogado , R. J. Cava , X. Wei

Composite materials based on Poly(3,4-ethylenedioxythiophene) (PEDOT) and CoFe$_2$O$_4$ magnetic nanoparticles (NP) were synthesized by chemical oxidative polymerization with varying monomer and surfactant (DBSA) concentrations, and were…

Materials Science · Physics 2025-07-11 Gabriel Paciaroni , María Ana Castro , Carlos Acha , Paula Soledad Antonel

Taking advantage of the Magnetoelectric (ME) and its inverse effect, this article demonstrates strain-mediated magnetoelectric write and read operations simultaneously in Co60Fe20B20/ Pb(Mg1/3Nb2/3)0.7Ti0.3O3 heterostructures without using…

Applied Physics · Physics 2020-07-15 Tingting Shen , Vaibhav Ostwal , Kerem Y. Camsari , Joerg Appenzeller

In the search for improved permanent magnets, fueled by the geostrategic and environmental issues associated with rare-earth-based magnets, magnetically hard (high anisotropy)-soft (high magnetization) composite magnets hold promise as…

Paramagnetic (PM) properties of columnar cobaltosic oxide (Co3O4) nanoparticles, about 75 nm in diameter, have been investigated by magnetization measurements at T > TN = 39 K. In zero or low applied field, the effective PM moment per…

Materials Science · Physics 2015-05-19 Weimeng Chen , Chinping Chen , Lin Guo

Initial powder mixtures of Cu, Fe and Co are exposed to severe plastic deformation by high-pressure torsion to prepare solid solutions. A broad range of compositions is investigated, whereas this study aims at the synthesis of soft magnetic…

Magnetite ferrite (Fe3O4) nanoparticles have attracted considerable interest due to their tunable physico-chemical properties and relevance in functional materials. In this work, uncoated Fe3O4 nanoparticles and surface-modified Fe3O4…

Materials Science · Physics 2026-01-13 Arif Iqbal Sheikh , Radha Srinivasan

The effects of Co2+ doping on the structural, magnetic and dielectric properties of the multiferroic frustrated antiferromagnet Mn3TeO6 have been investigated. Ceramic samples of the solid solution series Mn3-xCoxTeO6 were prepared by a…

Materials Science · Physics 2014-04-15 S. A. Ivanov , R. Mathieu , P. Nordblad , C. Ritter , R. Tellgren , N. Golubko , A. Mosunov , E. D. Politova , M. Weil

The magnetic, thermodynamic, and pyroelectric properties of LiFeP$_2$O$_7$ single crystals are investigated with emphasis on the magnetoelectric interaction of the electrical polarization with the magnetic order parameter. The magnetic…

Strongly Correlated Electrons · Physics 2012-09-13 K. -C. Liang , W. Zhang , B. Lorenz , Y. Y. Sun , P. S. Halasyamani , C. W. Chu

Zn0.96Mn0.04O samples were synthesized by solid state reaction technique to explore their magnetic behavior. Structural, morphological and magnetic properties of the samples have been found to be modified by 50 MeV Li+3 ion beam…

Materials Science · Physics 2012-06-26 S. K. Neogi , S. Chattapadhyay , R. Karmakar , Aritra Banerjee , S. Bandyopadhyay , Alok Banerjee

In this study, we considered a large set of materials that are closely related to orthorhombic Fe$_3$C (cementite) with the aim of characterizing trends in their intrinsic magnetic properties and identifying alloys that are optimal for…

Materials Science · Physics 2025-03-19 Justyn Snarski-Adamski , Mirosław Werwiński , Justyna Rychły-Gruszecka

X-ray absorption near edge spectra (XANES) and magnetization of Zn doped MnV2O4 have been measured and from the magnetic measurement the critical exponents and magnetocaloric effect have been estimated. The XANES study indicates that Zn…

Strongly Correlated Electrons · Physics 2015-02-02 Prashant Shahi , Harishchandra Singh , A. Kumar , K. K. Shukla , A. K. Ghosh , A. K. Yadav , A. K. Nigam , Sandip Chatterjee

Neutron powder diffraction studies of the crystal and magnetic structures of the magnetocaloric compound Mn1.1Fe0.9(P0.8Ge0.2) have been carried out as a function of temperature, applied magnetic field, and pressure. The data reveal that…

Materials Science · Physics 2009-11-30 D. M. Liu , Q. Huang , M. Yue , J. W. Lynn , L. J. Liu , Y. Chen , Z. H. Wu , J. X. Zhang

Here, we report the catalytic degradation of organic compounds by exploiting the magnetoelectric (ME) nature of cobalt ferrite-bismuth ferrite (CFO-BFO) core-shell nanoparticles. The combination of magnetostrictive CFO with the multiferroic…

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